1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <cmath>
11
12 #include <cmath>
13 #include <limits>
14 #include <type_traits>
15 #include <cassert>
16
17 #include "test_macros.h"
18 #include "hexfloat.h"
19 #include "truncate_fp.h"
20
21 // convertible to int/float/double/etc
22 template <class T, int N=0>
23 struct Value {
operator TValue24 operator T () { return T(N); }
25 };
26
27 // See PR21083
28 // Ambiguous is a user-defined type that defines its own overloads of cmath
29 // functions. When the std overloads are candidates too (by using or adl),
30 // they should not interfere.
31 struct Ambiguous : std::true_type { // ADL
operator floatAmbiguous32 operator float () { return 0.f; }
operator doubleAmbiguous33 operator double () { return 0.; }
34 };
abs(Ambiguous)35 Ambiguous abs(Ambiguous){ return Ambiguous(); }
acos(Ambiguous)36 Ambiguous acos(Ambiguous){ return Ambiguous(); }
asin(Ambiguous)37 Ambiguous asin(Ambiguous){ return Ambiguous(); }
atan(Ambiguous)38 Ambiguous atan(Ambiguous){ return Ambiguous(); }
atan2(Ambiguous,Ambiguous)39 Ambiguous atan2(Ambiguous, Ambiguous){ return Ambiguous(); }
ceil(Ambiguous)40 Ambiguous ceil(Ambiguous){ return Ambiguous(); }
cos(Ambiguous)41 Ambiguous cos(Ambiguous){ return Ambiguous(); }
cosh(Ambiguous)42 Ambiguous cosh(Ambiguous){ return Ambiguous(); }
exp(Ambiguous)43 Ambiguous exp(Ambiguous){ return Ambiguous(); }
fabs(Ambiguous)44 Ambiguous fabs(Ambiguous){ return Ambiguous(); }
floor(Ambiguous)45 Ambiguous floor(Ambiguous){ return Ambiguous(); }
fmod(Ambiguous,Ambiguous)46 Ambiguous fmod(Ambiguous, Ambiguous){ return Ambiguous(); }
frexp(Ambiguous,int *)47 Ambiguous frexp(Ambiguous, int*){ return Ambiguous(); }
ldexp(Ambiguous,int)48 Ambiguous ldexp(Ambiguous, int){ return Ambiguous(); }
log(Ambiguous)49 Ambiguous log(Ambiguous){ return Ambiguous(); }
log10(Ambiguous)50 Ambiguous log10(Ambiguous){ return Ambiguous(); }
modf(Ambiguous,Ambiguous *)51 Ambiguous modf(Ambiguous, Ambiguous*){ return Ambiguous(); }
pow(Ambiguous,Ambiguous)52 Ambiguous pow(Ambiguous, Ambiguous){ return Ambiguous(); }
sin(Ambiguous)53 Ambiguous sin(Ambiguous){ return Ambiguous(); }
sinh(Ambiguous)54 Ambiguous sinh(Ambiguous){ return Ambiguous(); }
sqrt(Ambiguous)55 Ambiguous sqrt(Ambiguous){ return Ambiguous(); }
tan(Ambiguous)56 Ambiguous tan(Ambiguous){ return Ambiguous(); }
tanh(Ambiguous)57 Ambiguous tanh(Ambiguous){ return Ambiguous(); }
signbit(Ambiguous)58 Ambiguous signbit(Ambiguous){ return Ambiguous(); }
fpclassify(Ambiguous)59 Ambiguous fpclassify(Ambiguous){ return Ambiguous(); }
isfinite(Ambiguous)60 Ambiguous isfinite(Ambiguous){ return Ambiguous(); }
isnormal(Ambiguous)61 Ambiguous isnormal(Ambiguous){ return Ambiguous(); }
isgreater(Ambiguous,Ambiguous)62 Ambiguous isgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
isgreaterequal(Ambiguous,Ambiguous)63 Ambiguous isgreaterequal(Ambiguous, Ambiguous){ return Ambiguous(); }
isless(Ambiguous,Ambiguous)64 Ambiguous isless(Ambiguous, Ambiguous){ return Ambiguous(); }
islessequal(Ambiguous,Ambiguous)65 Ambiguous islessequal(Ambiguous, Ambiguous){ return Ambiguous(); }
islessgreater(Ambiguous,Ambiguous)66 Ambiguous islessgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
isunordered(Ambiguous,Ambiguous)67 Ambiguous isunordered(Ambiguous, Ambiguous){ return Ambiguous(); }
acosh(Ambiguous)68 Ambiguous acosh(Ambiguous){ return Ambiguous(); }
asinh(Ambiguous)69 Ambiguous asinh(Ambiguous){ return Ambiguous(); }
atanh(Ambiguous)70 Ambiguous atanh(Ambiguous){ return Ambiguous(); }
cbrt(Ambiguous)71 Ambiguous cbrt(Ambiguous){ return Ambiguous(); }
copysign(Ambiguous,Ambiguous)72 Ambiguous copysign(Ambiguous, Ambiguous){ return Ambiguous(); }
erf(Ambiguous)73 Ambiguous erf(Ambiguous){ return Ambiguous(); }
erfc(Ambiguous)74 Ambiguous erfc(Ambiguous){ return Ambiguous(); }
exp2(Ambiguous)75 Ambiguous exp2(Ambiguous){ return Ambiguous(); }
expm1(Ambiguous)76 Ambiguous expm1(Ambiguous){ return Ambiguous(); }
fdim(Ambiguous,Ambiguous)77 Ambiguous fdim(Ambiguous, Ambiguous){ return Ambiguous(); }
fma(Ambiguous,Ambiguous,Ambiguous)78 Ambiguous fma(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
fmax(Ambiguous,Ambiguous)79 Ambiguous fmax(Ambiguous, Ambiguous){ return Ambiguous(); }
fmin(Ambiguous,Ambiguous)80 Ambiguous fmin(Ambiguous, Ambiguous){ return Ambiguous(); }
hypot(Ambiguous,Ambiguous)81 Ambiguous hypot(Ambiguous, Ambiguous){ return Ambiguous(); }
hypot(Ambiguous,Ambiguous,Ambiguous)82 Ambiguous hypot(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
ilogb(Ambiguous)83 Ambiguous ilogb(Ambiguous){ return Ambiguous(); }
lgamma(Ambiguous)84 Ambiguous lgamma(Ambiguous){ return Ambiguous(); }
llrint(Ambiguous)85 Ambiguous llrint(Ambiguous){ return Ambiguous(); }
llround(Ambiguous)86 Ambiguous llround(Ambiguous){ return Ambiguous(); }
log1p(Ambiguous)87 Ambiguous log1p(Ambiguous){ return Ambiguous(); }
log2(Ambiguous)88 Ambiguous log2(Ambiguous){ return Ambiguous(); }
logb(Ambiguous)89 Ambiguous logb(Ambiguous){ return Ambiguous(); }
lrint(Ambiguous)90 Ambiguous lrint(Ambiguous){ return Ambiguous(); }
lround(Ambiguous)91 Ambiguous lround(Ambiguous){ return Ambiguous(); }
nearbyint(Ambiguous)92 Ambiguous nearbyint(Ambiguous){ return Ambiguous(); }
nextafter(Ambiguous,Ambiguous)93 Ambiguous nextafter(Ambiguous, Ambiguous){ return Ambiguous(); }
nexttoward(Ambiguous,Ambiguous)94 Ambiguous nexttoward(Ambiguous, Ambiguous){ return Ambiguous(); }
remainder(Ambiguous,Ambiguous)95 Ambiguous remainder(Ambiguous, Ambiguous){ return Ambiguous(); }
remquo(Ambiguous,Ambiguous,int *)96 Ambiguous remquo(Ambiguous, Ambiguous, int*){ return Ambiguous(); }
rint(Ambiguous)97 Ambiguous rint(Ambiguous){ return Ambiguous(); }
round(Ambiguous)98 Ambiguous round(Ambiguous){ return Ambiguous(); }
scalbln(Ambiguous,Ambiguous)99 Ambiguous scalbln(Ambiguous, Ambiguous){ return Ambiguous(); }
scalbn(Ambiguous,Ambiguous)100 Ambiguous scalbn(Ambiguous, Ambiguous){ return Ambiguous(); }
tgamma(Ambiguous)101 Ambiguous tgamma(Ambiguous){ return Ambiguous(); }
trunc(Ambiguous)102 Ambiguous trunc(Ambiguous){ return Ambiguous(); }
103
test_abs()104 void test_abs()
105 {
106 static_assert((std::is_same<decltype(std::abs((float)0)), float>::value), "");
107 static_assert((std::is_same<decltype(std::abs((double)0)), double>::value), "");
108 static_assert((std::is_same<decltype(std::abs((long double)0)), long double>::value), "");
109 static_assert((std::is_same<decltype(abs(Ambiguous())), Ambiguous>::value), "");
110 assert(std::abs(-1.) == 1);
111 }
112
test_acos()113 void test_acos()
114 {
115 static_assert((std::is_same<decltype(std::acos((float)0)), float>::value), "");
116 static_assert((std::is_same<decltype(std::acos((bool)0)), double>::value), "");
117 static_assert((std::is_same<decltype(std::acos((unsigned short)0)), double>::value), "");
118 static_assert((std::is_same<decltype(std::acos((int)0)), double>::value), "");
119 static_assert((std::is_same<decltype(std::acos((unsigned int)0)), double>::value), "");
120 static_assert((std::is_same<decltype(std::acos((long)0)), double>::value), "");
121 static_assert((std::is_same<decltype(std::acos((unsigned long)0)), double>::value), "");
122 static_assert((std::is_same<decltype(std::acos((long long)0)), double>::value), "");
123 static_assert((std::is_same<decltype(std::acos((unsigned long long)0)), double>::value), "");
124 static_assert((std::is_same<decltype(std::acos((double)0)), double>::value), "");
125 static_assert((std::is_same<decltype(std::acos((long double)0)), long double>::value), "");
126 static_assert((std::is_same<decltype(std::acosf(0)), float>::value), "");
127 static_assert((std::is_same<decltype(std::acosl(0)), long double>::value), "");
128 static_assert((std::is_same<decltype(acos(Ambiguous())), Ambiguous>::value), "");
129 assert(std::acos(1) == 0);
130 }
131
test_asin()132 void test_asin()
133 {
134 static_assert((std::is_same<decltype(std::asin((float)0)), float>::value), "");
135 static_assert((std::is_same<decltype(std::asin((bool)0)), double>::value), "");
136 static_assert((std::is_same<decltype(std::asin((unsigned short)0)), double>::value), "");
137 static_assert((std::is_same<decltype(std::asin((int)0)), double>::value), "");
138 static_assert((std::is_same<decltype(std::asin((unsigned int)0)), double>::value), "");
139 static_assert((std::is_same<decltype(std::asin((long)0)), double>::value), "");
140 static_assert((std::is_same<decltype(std::asin((unsigned long)0)), double>::value), "");
141 static_assert((std::is_same<decltype(std::asin((long long)0)), double>::value), "");
142 static_assert((std::is_same<decltype(std::asin((unsigned long long)0)), double>::value), "");
143 static_assert((std::is_same<decltype(std::asin((double)0)), double>::value), "");
144 static_assert((std::is_same<decltype(std::asin((long double)0)), long double>::value), "");
145 static_assert((std::is_same<decltype(std::asinf(0)), float>::value), "");
146 static_assert((std::is_same<decltype(std::asinl(0)), long double>::value), "");
147 static_assert((std::is_same<decltype(asin(Ambiguous())), Ambiguous>::value), "");
148 assert(std::asin(0) == 0);
149 }
150
test_atan()151 void test_atan()
152 {
153 static_assert((std::is_same<decltype(std::atan((float)0)), float>::value), "");
154 static_assert((std::is_same<decltype(std::atan((bool)0)), double>::value), "");
155 static_assert((std::is_same<decltype(std::atan((unsigned short)0)), double>::value), "");
156 static_assert((std::is_same<decltype(std::atan((int)0)), double>::value), "");
157 static_assert((std::is_same<decltype(std::atan((unsigned int)0)), double>::value), "");
158 static_assert((std::is_same<decltype(std::atan((long)0)), double>::value), "");
159 static_assert((std::is_same<decltype(std::atan((unsigned long)0)), double>::value), "");
160 static_assert((std::is_same<decltype(std::atan((long long)0)), double>::value), "");
161 static_assert((std::is_same<decltype(std::atan((unsigned long long)0)), double>::value), "");
162 static_assert((std::is_same<decltype(std::atan((double)0)), double>::value), "");
163 static_assert((std::is_same<decltype(std::atan((long double)0)), long double>::value), "");
164 static_assert((std::is_same<decltype(std::atanf(0)), float>::value), "");
165 static_assert((std::is_same<decltype(std::atanl(0)), long double>::value), "");
166 static_assert((std::is_same<decltype(atan(Ambiguous())), Ambiguous>::value), "");
167 assert(std::atan(0) == 0);
168 }
169
test_atan2()170 void test_atan2()
171 {
172 static_assert((std::is_same<decltype(std::atan2((float)0, (float)0)), float>::value), "");
173 static_assert((std::is_same<decltype(std::atan2((bool)0, (float)0)), double>::value), "");
174 static_assert((std::is_same<decltype(std::atan2((unsigned short)0, (double)0)), double>::value), "");
175 static_assert((std::is_same<decltype(std::atan2((int)0, (long double)0)), long double>::value), "");
176 static_assert((std::is_same<decltype(std::atan2((float)0, (unsigned int)0)), double>::value), "");
177 static_assert((std::is_same<decltype(std::atan2((double)0, (long)0)), double>::value), "");
178 static_assert((std::is_same<decltype(std::atan2((long double)0, (unsigned long)0)), long double>::value), "");
179 static_assert((std::is_same<decltype(std::atan2((int)0, (long long)0)), double>::value), "");
180 static_assert((std::is_same<decltype(std::atan2((int)0, (unsigned long long)0)), double>::value), "");
181 static_assert((std::is_same<decltype(std::atan2((double)0, (double)0)), double>::value), "");
182 static_assert((std::is_same<decltype(std::atan2((long double)0, (long double)0)), long double>::value), "");
183 static_assert((std::is_same<decltype(std::atan2((float)0, (double)0)), double>::value), "");
184 static_assert((std::is_same<decltype(std::atan2((float)0, (long double)0)), long double>::value), "");
185 static_assert((std::is_same<decltype(std::atan2((double)0, (long double)0)), long double>::value), "");
186 static_assert((std::is_same<decltype(std::atan2f(0,0)), float>::value), "");
187 static_assert((std::is_same<decltype(std::atan2l(0,0)), long double>::value), "");
188 static_assert((std::is_same<decltype(std::atan2((int)0, (int)0)), double>::value), "");
189 static_assert((std::is_same<decltype(atan2(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
190 assert(std::atan2(0,1) == 0);
191 }
192
test_ceil()193 void test_ceil()
194 {
195 static_assert((std::is_same<decltype(std::ceil((float)0)), float>::value), "");
196 static_assert((std::is_same<decltype(std::ceil((bool)0)), double>::value), "");
197 static_assert((std::is_same<decltype(std::ceil((unsigned short)0)), double>::value), "");
198 static_assert((std::is_same<decltype(std::ceil((int)0)), double>::value), "");
199 static_assert((std::is_same<decltype(std::ceil((unsigned int)0)), double>::value), "");
200 static_assert((std::is_same<decltype(std::ceil((long)0)), double>::value), "");
201 static_assert((std::is_same<decltype(std::ceil((unsigned long)0)), double>::value), "");
202 static_assert((std::is_same<decltype(std::ceil((long long)0)), double>::value), "");
203 static_assert((std::is_same<decltype(std::ceil((unsigned long long)0)), double>::value), "");
204 static_assert((std::is_same<decltype(std::ceil((double)0)), double>::value), "");
205 static_assert((std::is_same<decltype(std::ceil((long double)0)), long double>::value), "");
206 static_assert((std::is_same<decltype(std::ceilf(0)), float>::value), "");
207 static_assert((std::is_same<decltype(std::ceill(0)), long double>::value), "");
208 static_assert((std::is_same<decltype(ceil(Ambiguous())), Ambiguous>::value), "");
209 assert(std::ceil(0) == 0);
210 }
211
test_cos()212 void test_cos()
213 {
214 static_assert((std::is_same<decltype(std::cos((float)0)), float>::value), "");
215 static_assert((std::is_same<decltype(std::cos((bool)0)), double>::value), "");
216 static_assert((std::is_same<decltype(std::cos((unsigned short)0)), double>::value), "");
217 static_assert((std::is_same<decltype(std::cos((int)0)), double>::value), "");
218 static_assert((std::is_same<decltype(std::cos((unsigned int)0)), double>::value), "");
219 static_assert((std::is_same<decltype(std::cos((long)0)), double>::value), "");
220 static_assert((std::is_same<decltype(std::cos((unsigned long)0)), double>::value), "");
221 static_assert((std::is_same<decltype(std::cos((long long)0)), double>::value), "");
222 static_assert((std::is_same<decltype(std::cos((unsigned long long)0)), double>::value), "");
223 static_assert((std::is_same<decltype(std::cos((double)0)), double>::value), "");
224 static_assert((std::is_same<decltype(std::cos((long double)0)), long double>::value), "");
225 static_assert((std::is_same<decltype(std::cosf(0)), float>::value), "");
226 static_assert((std::is_same<decltype(std::cosl(0)), long double>::value), "");
227 static_assert((std::is_same<decltype(cos(Ambiguous())), Ambiguous>::value), "");
228 assert(std::cos(0) == 1);
229 }
230
test_cosh()231 void test_cosh()
232 {
233 static_assert((std::is_same<decltype(std::cosh((float)0)), float>::value), "");
234 static_assert((std::is_same<decltype(std::cosh((bool)0)), double>::value), "");
235 static_assert((std::is_same<decltype(std::cosh((unsigned short)0)), double>::value), "");
236 static_assert((std::is_same<decltype(std::cosh((int)0)), double>::value), "");
237 static_assert((std::is_same<decltype(std::cosh((unsigned int)0)), double>::value), "");
238 static_assert((std::is_same<decltype(std::cosh((long)0)), double>::value), "");
239 static_assert((std::is_same<decltype(std::cosh((unsigned long)0)), double>::value), "");
240 static_assert((std::is_same<decltype(std::cosh((long long)0)), double>::value), "");
241 static_assert((std::is_same<decltype(std::cosh((unsigned long long)0)), double>::value), "");
242 static_assert((std::is_same<decltype(std::cosh((double)0)), double>::value), "");
243 static_assert((std::is_same<decltype(std::cosh((long double)0)), long double>::value), "");
244 static_assert((std::is_same<decltype(std::coshf(0)), float>::value), "");
245 static_assert((std::is_same<decltype(std::coshl(0)), long double>::value), "");
246 static_assert((std::is_same<decltype(cosh(Ambiguous())), Ambiguous>::value), "");
247 assert(std::cosh(0) == 1);
248 }
249
test_exp()250 void test_exp()
251 {
252 static_assert((std::is_same<decltype(std::exp((float)0)), float>::value), "");
253 static_assert((std::is_same<decltype(std::exp((bool)0)), double>::value), "");
254 static_assert((std::is_same<decltype(std::exp((unsigned short)0)), double>::value), "");
255 static_assert((std::is_same<decltype(std::exp((int)0)), double>::value), "");
256 static_assert((std::is_same<decltype(std::exp((unsigned int)0)), double>::value), "");
257 static_assert((std::is_same<decltype(std::exp((long)0)), double>::value), "");
258 static_assert((std::is_same<decltype(std::exp((unsigned long)0)), double>::value), "");
259 static_assert((std::is_same<decltype(std::exp((long long)0)), double>::value), "");
260 static_assert((std::is_same<decltype(std::exp((unsigned long long)0)), double>::value), "");
261 static_assert((std::is_same<decltype(std::exp((double)0)), double>::value), "");
262 static_assert((std::is_same<decltype(std::exp((long double)0)), long double>::value), "");
263 static_assert((std::is_same<decltype(std::expf(0)), float>::value), "");
264 static_assert((std::is_same<decltype(std::expl(0)), long double>::value), "");
265 static_assert((std::is_same<decltype(exp(Ambiguous())), Ambiguous>::value), "");
266 assert(std::exp(0) == 1);
267 }
268
test_fabs()269 void test_fabs()
270 {
271 static_assert((std::is_same<decltype(std::fabs((float)0)), float>::value), "");
272 static_assert((std::is_same<decltype(std::fabs((bool)0)), double>::value), "");
273 static_assert((std::is_same<decltype(std::fabs((unsigned short)0)), double>::value), "");
274 static_assert((std::is_same<decltype(std::fabs((int)0)), double>::value), "");
275 static_assert((std::is_same<decltype(std::fabs((unsigned int)0)), double>::value), "");
276 static_assert((std::is_same<decltype(std::fabs((long)0)), double>::value), "");
277 static_assert((std::is_same<decltype(std::fabs((unsigned long)0)), double>::value), "");
278 static_assert((std::is_same<decltype(std::fabs((long long)0)), double>::value), "");
279 static_assert((std::is_same<decltype(std::fabs((unsigned long long)0)), double>::value), "");
280 static_assert((std::is_same<decltype(std::fabs((double)0)), double>::value), "");
281 static_assert((std::is_same<decltype(std::fabs((long double)0)), long double>::value), "");
282 static_assert((std::is_same<decltype(std::fabsf(0.0f)), float>::value), "");
283 static_assert((std::is_same<decltype(std::fabsl(0.0L)), long double>::value), "");
284 static_assert((std::is_same<decltype(fabs(Ambiguous())), Ambiguous>::value), "");
285 assert(std::fabs(-1) == 1);
286 }
287
test_floor()288 void test_floor()
289 {
290 static_assert((std::is_same<decltype(std::floor((float)0)), float>::value), "");
291 static_assert((std::is_same<decltype(std::floor((bool)0)), double>::value), "");
292 static_assert((std::is_same<decltype(std::floor((unsigned short)0)), double>::value), "");
293 static_assert((std::is_same<decltype(std::floor((int)0)), double>::value), "");
294 static_assert((std::is_same<decltype(std::floor((unsigned int)0)), double>::value), "");
295 static_assert((std::is_same<decltype(std::floor((long)0)), double>::value), "");
296 static_assert((std::is_same<decltype(std::floor((unsigned long)0)), double>::value), "");
297 static_assert((std::is_same<decltype(std::floor((long long)0)), double>::value), "");
298 static_assert((std::is_same<decltype(std::floor((unsigned long long)0)), double>::value), "");
299 static_assert((std::is_same<decltype(std::floor((double)0)), double>::value), "");
300 static_assert((std::is_same<decltype(std::floor((long double)0)), long double>::value), "");
301 static_assert((std::is_same<decltype(std::floorf(0)), float>::value), "");
302 static_assert((std::is_same<decltype(std::floorl(0)), long double>::value), "");
303 static_assert((std::is_same<decltype(floor(Ambiguous())), Ambiguous>::value), "");
304 assert(std::floor(1) == 1);
305 }
306
test_fmod()307 void test_fmod()
308 {
309 static_assert((std::is_same<decltype(std::fmod((float)0, (float)0)), float>::value), "");
310 static_assert((std::is_same<decltype(std::fmod((bool)0, (float)0)), double>::value), "");
311 static_assert((std::is_same<decltype(std::fmod((unsigned short)0, (double)0)), double>::value), "");
312 static_assert((std::is_same<decltype(std::fmod((int)0, (long double)0)), long double>::value), "");
313 static_assert((std::is_same<decltype(std::fmod((float)0, (unsigned int)0)), double>::value), "");
314 static_assert((std::is_same<decltype(std::fmod((double)0, (long)0)), double>::value), "");
315 static_assert((std::is_same<decltype(std::fmod((long double)0, (unsigned long)0)), long double>::value), "");
316 static_assert((std::is_same<decltype(std::fmod((int)0, (long long)0)), double>::value), "");
317 static_assert((std::is_same<decltype(std::fmod((int)0, (unsigned long long)0)), double>::value), "");
318 static_assert((std::is_same<decltype(std::fmod((double)0, (double)0)), double>::value), "");
319 static_assert((std::is_same<decltype(std::fmod((long double)0, (long double)0)), long double>::value), "");
320 static_assert((std::is_same<decltype(std::fmod((float)0, (double)0)), double>::value), "");
321 static_assert((std::is_same<decltype(std::fmod((float)0, (long double)0)), long double>::value), "");
322 static_assert((std::is_same<decltype(std::fmod((double)0, (long double)0)), long double>::value), "");
323 static_assert((std::is_same<decltype(std::fmodf(0,0)), float>::value), "");
324 static_assert((std::is_same<decltype(std::fmodl(0,0)), long double>::value), "");
325 static_assert((std::is_same<decltype(std::fmod((int)0, (int)0)), double>::value), "");
326 static_assert((std::is_same<decltype(fmod(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
327 assert(std::fmod(1.5,1) == .5);
328 }
329
test_frexp()330 void test_frexp()
331 {
332 int ip;
333 static_assert((std::is_same<decltype(std::frexp((float)0, &ip)), float>::value), "");
334 static_assert((std::is_same<decltype(std::frexp((bool)0, &ip)), double>::value), "");
335 static_assert((std::is_same<decltype(std::frexp((unsigned short)0, &ip)), double>::value), "");
336 static_assert((std::is_same<decltype(std::frexp((int)0, &ip)), double>::value), "");
337 static_assert((std::is_same<decltype(std::frexp((unsigned int)0, &ip)), double>::value), "");
338 static_assert((std::is_same<decltype(std::frexp((long)0, &ip)), double>::value), "");
339 static_assert((std::is_same<decltype(std::frexp((unsigned long)0, &ip)), double>::value), "");
340 static_assert((std::is_same<decltype(std::frexp((long long)0, &ip)), double>::value), "");
341 static_assert((std::is_same<decltype(std::frexp((unsigned long long)0, &ip)), double>::value), "");
342 static_assert((std::is_same<decltype(std::frexp((double)0, &ip)), double>::value), "");
343 static_assert((std::is_same<decltype(std::frexp((long double)0, &ip)), long double>::value), "");
344 static_assert((std::is_same<decltype(std::frexpf(0, &ip)), float>::value), "");
345 static_assert((std::is_same<decltype(std::frexpl(0, &ip)), long double>::value), "");
346 static_assert((std::is_same<decltype(frexp(Ambiguous(), &ip)), Ambiguous>::value), "");
347 assert(std::frexp(0, &ip) == 0);
348 }
349
test_ldexp()350 void test_ldexp()
351 {
352 int ip = 1;
353 static_assert((std::is_same<decltype(std::ldexp((float)0, ip)), float>::value), "");
354 static_assert((std::is_same<decltype(std::ldexp((bool)0, ip)), double>::value), "");
355 static_assert((std::is_same<decltype(std::ldexp((unsigned short)0, ip)), double>::value), "");
356 static_assert((std::is_same<decltype(std::ldexp((int)0, ip)), double>::value), "");
357 static_assert((std::is_same<decltype(std::ldexp((unsigned int)0, ip)), double>::value), "");
358 static_assert((std::is_same<decltype(std::ldexp((long)0, ip)), double>::value), "");
359 static_assert((std::is_same<decltype(std::ldexp((unsigned long)0, ip)), double>::value), "");
360 static_assert((std::is_same<decltype(std::ldexp((long long)0, ip)), double>::value), "");
361 static_assert((std::is_same<decltype(std::ldexp((unsigned long long)0, ip)), double>::value), "");
362 static_assert((std::is_same<decltype(std::ldexp((double)0, ip)), double>::value), "");
363 static_assert((std::is_same<decltype(std::ldexp((long double)0, ip)), long double>::value), "");
364 static_assert((std::is_same<decltype(std::ldexpf(0, ip)), float>::value), "");
365 static_assert((std::is_same<decltype(std::ldexpl(0, ip)), long double>::value), "");
366 static_assert((std::is_same<decltype(ldexp(Ambiguous(), ip)), Ambiguous>::value), "");
367 assert(std::ldexp(1, ip) == 2);
368 }
369
test_log()370 void test_log()
371 {
372 static_assert((std::is_same<decltype(std::log((float)0)), float>::value), "");
373 static_assert((std::is_same<decltype(std::log((bool)0)), double>::value), "");
374 static_assert((std::is_same<decltype(std::log((unsigned short)0)), double>::value), "");
375 static_assert((std::is_same<decltype(std::log((int)0)), double>::value), "");
376 static_assert((std::is_same<decltype(std::log((unsigned int)0)), double>::value), "");
377 static_assert((std::is_same<decltype(std::log((long)0)), double>::value), "");
378 static_assert((std::is_same<decltype(std::log((unsigned long)0)), double>::value), "");
379 static_assert((std::is_same<decltype(std::log((long long)0)), double>::value), "");
380 static_assert((std::is_same<decltype(std::log((unsigned long long)0)), double>::value), "");
381 static_assert((std::is_same<decltype(std::log((double)0)), double>::value), "");
382 static_assert((std::is_same<decltype(std::log((long double)0)), long double>::value), "");
383 static_assert((std::is_same<decltype(std::logf(0)), float>::value), "");
384 static_assert((std::is_same<decltype(std::logl(0)), long double>::value), "");
385 static_assert((std::is_same<decltype(log(Ambiguous())), Ambiguous>::value), "");
386 assert(std::log(1) == 0);
387 }
388
test_log10()389 void test_log10()
390 {
391 static_assert((std::is_same<decltype(std::log10((float)0)), float>::value), "");
392 static_assert((std::is_same<decltype(std::log10((bool)0)), double>::value), "");
393 static_assert((std::is_same<decltype(std::log10((unsigned short)0)), double>::value), "");
394 static_assert((std::is_same<decltype(std::log10((int)0)), double>::value), "");
395 static_assert((std::is_same<decltype(std::log10((unsigned int)0)), double>::value), "");
396 static_assert((std::is_same<decltype(std::log10((long)0)), double>::value), "");
397 static_assert((std::is_same<decltype(std::log10((unsigned long)0)), double>::value), "");
398 static_assert((std::is_same<decltype(std::log10((long long)0)), double>::value), "");
399 static_assert((std::is_same<decltype(std::log10((unsigned long long)0)), double>::value), "");
400 static_assert((std::is_same<decltype(std::log10((double)0)), double>::value), "");
401 static_assert((std::is_same<decltype(std::log10((long double)0)), long double>::value), "");
402 static_assert((std::is_same<decltype(std::log10f(0)), float>::value), "");
403 static_assert((std::is_same<decltype(std::log10l(0)), long double>::value), "");
404 static_assert((std::is_same<decltype(log10(Ambiguous())), Ambiguous>::value), "");
405 assert(std::log10(1) == 0);
406 }
407
test_modf()408 void test_modf()
409 {
410 static_assert((std::is_same<decltype(std::modf((float)0, (float*)0)), float>::value), "");
411 static_assert((std::is_same<decltype(std::modf((double)0, (double*)0)), double>::value), "");
412 static_assert((std::is_same<decltype(std::modf((long double)0, (long double*)0)), long double>::value), "");
413 static_assert((std::is_same<decltype(std::modff(0, (float*)0)), float>::value), "");
414 static_assert((std::is_same<decltype(std::modfl(0, (long double*)0)), long double>::value), "");
415 static_assert((std::is_same<decltype(modf(Ambiguous(), (Ambiguous*)0)), Ambiguous>::value), "");
416 double i;
417 assert(std::modf(1., &i) == 0);
418 }
419
test_pow()420 void test_pow()
421 {
422 static_assert((std::is_same<decltype(std::pow((float)0, (float)0)), float>::value), "");
423 static_assert((std::is_same<decltype(std::pow((bool)0, (float)0)), double>::value), "");
424 static_assert((std::is_same<decltype(std::pow((unsigned short)0, (double)0)), double>::value), "");
425 static_assert((std::is_same<decltype(std::pow((int)0, (long double)0)), long double>::value), "");
426 static_assert((std::is_same<decltype(std::pow((float)0, (unsigned int)0)), double>::value), "");
427 static_assert((std::is_same<decltype(std::pow((double)0, (long)0)), double>::value), "");
428 static_assert((std::is_same<decltype(std::pow((long double)0, (unsigned long)0)), long double>::value), "");
429 static_assert((std::is_same<decltype(std::pow((int)0, (long long)0)), double>::value), "");
430 static_assert((std::is_same<decltype(std::pow((int)0, (unsigned long long)0)), double>::value), "");
431 static_assert((std::is_same<decltype(std::pow((double)0, (double)0)), double>::value), "");
432 static_assert((std::is_same<decltype(std::pow((long double)0, (long double)0)), long double>::value), "");
433 static_assert((std::is_same<decltype(std::pow((float)0, (double)0)), double>::value), "");
434 static_assert((std::is_same<decltype(std::pow((float)0, (long double)0)), long double>::value), "");
435 static_assert((std::is_same<decltype(std::pow((double)0, (long double)0)), long double>::value), "");
436 static_assert((std::is_same<decltype(std::powf(0,0)), float>::value), "");
437 static_assert((std::is_same<decltype(std::powl(0,0)), long double>::value), "");
438 static_assert((std::is_same<decltype(std::pow((int)0, (int)0)), double>::value), "");
439 // static_assert((std::is_same<decltype(std::pow(Value<int>(), (int)0)), double>::value), "");
440 // static_assert((std::is_same<decltype(std::pow(Value<long double>(), (float)0)), long double>::value), "");
441 // static_assert((std::is_same<decltype(std::pow((float) 0, Value<float>())), float>::value), "");
442 static_assert((std::is_same<decltype(pow(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
443 assert(std::pow(1,1) == 1);
444 // assert(std::pow(Value<int,1>(), Value<float,1>()) == 1);
445 // assert(std::pow(1.0f, Value<double,1>()) == 1);
446 // assert(std::pow(1.0, Value<int,1>()) == 1);
447 // assert(std::pow(Value<long double,1>(), 1LL) == 1);
448 }
449
test_sin()450 void test_sin()
451 {
452 static_assert((std::is_same<decltype(std::sin((float)0)), float>::value), "");
453 static_assert((std::is_same<decltype(std::sin((bool)0)), double>::value), "");
454 static_assert((std::is_same<decltype(std::sin((unsigned short)0)), double>::value), "");
455 static_assert((std::is_same<decltype(std::sin((int)0)), double>::value), "");
456 static_assert((std::is_same<decltype(std::sin((unsigned int)0)), double>::value), "");
457 static_assert((std::is_same<decltype(std::sin((long)0)), double>::value), "");
458 static_assert((std::is_same<decltype(std::sin((unsigned long)0)), double>::value), "");
459 static_assert((std::is_same<decltype(std::sin((long long)0)), double>::value), "");
460 static_assert((std::is_same<decltype(std::sin((unsigned long long)0)), double>::value), "");
461 static_assert((std::is_same<decltype(std::sin((double)0)), double>::value), "");
462 static_assert((std::is_same<decltype(std::sin((long double)0)), long double>::value), "");
463 static_assert((std::is_same<decltype(std::sinf(0)), float>::value), "");
464 static_assert((std::is_same<decltype(std::sinl(0)), long double>::value), "");
465 static_assert((std::is_same<decltype(sin(Ambiguous())), Ambiguous>::value), "");
466 assert(std::sin(0) == 0);
467 }
468
test_sinh()469 void test_sinh()
470 {
471 static_assert((std::is_same<decltype(std::sinh((float)0)), float>::value), "");
472 static_assert((std::is_same<decltype(std::sinh((bool)0)), double>::value), "");
473 static_assert((std::is_same<decltype(std::sinh((unsigned short)0)), double>::value), "");
474 static_assert((std::is_same<decltype(std::sinh((int)0)), double>::value), "");
475 static_assert((std::is_same<decltype(std::sinh((unsigned int)0)), double>::value), "");
476 static_assert((std::is_same<decltype(std::sinh((long)0)), double>::value), "");
477 static_assert((std::is_same<decltype(std::sinh((unsigned long)0)), double>::value), "");
478 static_assert((std::is_same<decltype(std::sinh((long long)0)), double>::value), "");
479 static_assert((std::is_same<decltype(std::sinh((unsigned long long)0)), double>::value), "");
480 static_assert((std::is_same<decltype(std::sinh((double)0)), double>::value), "");
481 static_assert((std::is_same<decltype(std::sinh((long double)0)), long double>::value), "");
482 static_assert((std::is_same<decltype(std::sinhf(0)), float>::value), "");
483 static_assert((std::is_same<decltype(std::sinhl(0)), long double>::value), "");
484 static_assert((std::is_same<decltype(sinh(Ambiguous())), Ambiguous>::value), "");
485 assert(std::sinh(0) == 0);
486 }
487
test_sqrt()488 void test_sqrt()
489 {
490 static_assert((std::is_same<decltype(std::sqrt((float)0)), float>::value), "");
491 static_assert((std::is_same<decltype(std::sqrt((bool)0)), double>::value), "");
492 static_assert((std::is_same<decltype(std::sqrt((unsigned short)0)), double>::value), "");
493 static_assert((std::is_same<decltype(std::sqrt((int)0)), double>::value), "");
494 static_assert((std::is_same<decltype(std::sqrt((unsigned int)0)), double>::value), "");
495 static_assert((std::is_same<decltype(std::sqrt((long)0)), double>::value), "");
496 static_assert((std::is_same<decltype(std::sqrt((unsigned long)0)), double>::value), "");
497 static_assert((std::is_same<decltype(std::sqrt((long long)0)), double>::value), "");
498 static_assert((std::is_same<decltype(std::sqrt((unsigned long long)0)), double>::value), "");
499 static_assert((std::is_same<decltype(std::sqrt((double)0)), double>::value), "");
500 static_assert((std::is_same<decltype(std::sqrt((long double)0)), long double>::value), "");
501 static_assert((std::is_same<decltype(std::sqrtf(0)), float>::value), "");
502 static_assert((std::is_same<decltype(std::sqrtl(0)), long double>::value), "");
503 static_assert((std::is_same<decltype(sqrt(Ambiguous())), Ambiguous>::value), "");
504 assert(std::sqrt(4) == 2);
505 }
506
test_tan()507 void test_tan()
508 {
509 static_assert((std::is_same<decltype(std::tan((float)0)), float>::value), "");
510 static_assert((std::is_same<decltype(std::tan((bool)0)), double>::value), "");
511 static_assert((std::is_same<decltype(std::tan((unsigned short)0)), double>::value), "");
512 static_assert((std::is_same<decltype(std::tan((int)0)), double>::value), "");
513 static_assert((std::is_same<decltype(std::tan((unsigned int)0)), double>::value), "");
514 static_assert((std::is_same<decltype(std::tan((long)0)), double>::value), "");
515 static_assert((std::is_same<decltype(std::tan((unsigned long)0)), double>::value), "");
516 static_assert((std::is_same<decltype(std::tan((long long)0)), double>::value), "");
517 static_assert((std::is_same<decltype(std::tan((unsigned long long)0)), double>::value), "");
518 static_assert((std::is_same<decltype(std::tan((double)0)), double>::value), "");
519 static_assert((std::is_same<decltype(std::tan((long double)0)), long double>::value), "");
520 static_assert((std::is_same<decltype(std::tanf(0)), float>::value), "");
521 static_assert((std::is_same<decltype(std::tanl(0)), long double>::value), "");
522 static_assert((std::is_same<decltype(tan(Ambiguous())), Ambiguous>::value), "");
523 assert(std::tan(0) == 0);
524 }
525
test_tanh()526 void test_tanh()
527 {
528 static_assert((std::is_same<decltype(std::tanh((float)0)), float>::value), "");
529 static_assert((std::is_same<decltype(std::tanh((bool)0)), double>::value), "");
530 static_assert((std::is_same<decltype(std::tanh((unsigned short)0)), double>::value), "");
531 static_assert((std::is_same<decltype(std::tanh((int)0)), double>::value), "");
532 static_assert((std::is_same<decltype(std::tanh((unsigned int)0)), double>::value), "");
533 static_assert((std::is_same<decltype(std::tanh((long)0)), double>::value), "");
534 static_assert((std::is_same<decltype(std::tanh((unsigned long)0)), double>::value), "");
535 static_assert((std::is_same<decltype(std::tanh((long long)0)), double>::value), "");
536 static_assert((std::is_same<decltype(std::tanh((unsigned long long)0)), double>::value), "");
537 static_assert((std::is_same<decltype(std::tanh((double)0)), double>::value), "");
538 static_assert((std::is_same<decltype(std::tanh((long double)0)), long double>::value), "");
539 static_assert((std::is_same<decltype(std::tanhf(0)), float>::value), "");
540 static_assert((std::is_same<decltype(std::tanhl(0)), long double>::value), "");
541 static_assert((std::is_same<decltype(tanh(Ambiguous())), Ambiguous>::value), "");
542 assert(std::tanh(0) == 0);
543 }
544
test_signbit()545 void test_signbit()
546 {
547 #ifdef signbit
548 #error signbit defined
549 #endif
550 static_assert((std::is_same<decltype(std::signbit((float)0)), bool>::value), "");
551 static_assert((std::is_same<decltype(std::signbit((double)0)), bool>::value), "");
552 static_assert((std::is_same<decltype(std::signbit(0)), bool>::value), "");
553 static_assert((std::is_same<decltype(std::signbit((long double)0)), bool>::value), "");
554 static_assert((std::is_same<decltype(signbit(Ambiguous())), Ambiguous>::value), "");
555 assert(std::signbit(-1.0) == true);
556 assert(std::signbit(0u) == false);
557 assert(std::signbit(std::numeric_limits<unsigned>::max()) == false);
558 assert(std::signbit(0) == false);
559 assert(std::signbit(1) == false);
560 assert(std::signbit(-1) == true);
561 assert(std::signbit(std::numeric_limits<int>::max()) == false);
562 assert(std::signbit(std::numeric_limits<int>::min()) == true);
563 }
564
test_fpclassify()565 void test_fpclassify()
566 {
567 #ifdef fpclassify
568 #error fpclassify defined
569 #endif
570 static_assert((std::is_same<decltype(std::fpclassify((float)0)), int>::value), "");
571 static_assert((std::is_same<decltype(std::fpclassify((double)0)), int>::value), "");
572 static_assert((std::is_same<decltype(std::fpclassify(0)), int>::value), "");
573 static_assert((std::is_same<decltype(std::fpclassify((long double)0)), int>::value), "");
574 static_assert((std::is_same<decltype(fpclassify(Ambiguous())), Ambiguous>::value), "");
575 assert(std::fpclassify(-1.0) == FP_NORMAL);
576 assert(std::fpclassify(0) == FP_ZERO);
577 assert(std::fpclassify(1) == FP_NORMAL);
578 assert(std::fpclassify(-1) == FP_NORMAL);
579 assert(std::fpclassify(std::numeric_limits<int>::max()) == FP_NORMAL);
580 assert(std::fpclassify(std::numeric_limits<int>::min()) == FP_NORMAL);
581 }
582
test_isfinite()583 void test_isfinite()
584 {
585 #ifdef isfinite
586 #error isfinite defined
587 #endif
588 static_assert((std::is_same<decltype(std::isfinite((float)0)), bool>::value), "");
589 static_assert((std::is_same<decltype(std::isfinite((double)0)), bool>::value), "");
590 static_assert((std::is_same<decltype(std::isfinite(0)), bool>::value), "");
591 static_assert((std::is_same<decltype(std::isfinite((long double)0)), bool>::value), "");
592 static_assert((std::is_same<decltype(isfinite(Ambiguous())), Ambiguous>::value), "");
593 assert(std::isfinite(-1.0) == true);
594 assert(std::isfinite(0) == true);
595 assert(std::isfinite(1) == true);
596 assert(std::isfinite(-1) == true);
597 assert(std::isfinite(std::numeric_limits<int>::max()) == true);
598 assert(std::isfinite(std::numeric_limits<int>::min()) == true);
599 }
600
test_isnormal()601 void test_isnormal()
602 {
603 #ifdef isnormal
604 #error isnormal defined
605 #endif
606 static_assert((std::is_same<decltype(std::isnormal((float)0)), bool>::value), "");
607 static_assert((std::is_same<decltype(std::isnormal((double)0)), bool>::value), "");
608 static_assert((std::is_same<decltype(std::isnormal(0)), bool>::value), "");
609 static_assert((std::is_same<decltype(std::isnormal((long double)0)), bool>::value), "");
610 static_assert((std::is_same<decltype(isnormal(Ambiguous())), Ambiguous>::value), "");
611 assert(std::isnormal(-1.0) == true);
612 assert(std::isnormal(0) == false);
613 assert(std::isnormal(1) == true);
614 assert(std::isnormal(-1) == true);
615 assert(std::isnormal(std::numeric_limits<int>::max()) == true);
616 assert(std::isnormal(std::numeric_limits<int>::min()) == true);
617 }
618
test_isgreater()619 void test_isgreater()
620 {
621 #ifdef isgreater
622 #error isgreater defined
623 #endif
624 static_assert((std::is_same<decltype(std::isgreater((float)0, (float)0)), bool>::value), "");
625 static_assert((std::is_same<decltype(std::isgreater((float)0, (double)0)), bool>::value), "");
626 static_assert((std::is_same<decltype(std::isgreater((float)0, (long double)0)), bool>::value), "");
627 static_assert((std::is_same<decltype(std::isgreater((double)0, (float)0)), bool>::value), "");
628 static_assert((std::is_same<decltype(std::isgreater((double)0, (double)0)), bool>::value), "");
629 static_assert((std::is_same<decltype(std::isgreater(0, (double)0)), bool>::value), "");
630 static_assert((std::is_same<decltype(std::isgreater((double)0, (long double)0)), bool>::value), "");
631 static_assert((std::is_same<decltype(std::isgreater((long double)0, (float)0)), bool>::value), "");
632 static_assert((std::is_same<decltype(std::isgreater((long double)0, (double)0)), bool>::value), "");
633 static_assert((std::is_same<decltype(std::isgreater((long double)0, (long double)0)), bool>::value), "");
634 static_assert((std::is_same<decltype(isgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
635 assert(std::isgreater(-1.0, 0.F) == false);
636 }
637
test_isgreaterequal()638 void test_isgreaterequal()
639 {
640 #ifdef isgreaterequal
641 #error isgreaterequal defined
642 #endif
643 static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (float)0)), bool>::value), "");
644 static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (double)0)), bool>::value), "");
645 static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (long double)0)), bool>::value), "");
646 static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (float)0)), bool>::value), "");
647 static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (double)0)), bool>::value), "");
648 static_assert((std::is_same<decltype(std::isgreaterequal(0, (double)0)), bool>::value), "");
649 static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (long double)0)), bool>::value), "");
650 static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (float)0)), bool>::value), "");
651 static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (double)0)), bool>::value), "");
652 static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (long double)0)), bool>::value), "");
653 static_assert((std::is_same<decltype(isgreaterequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
654 assert(std::isgreaterequal(-1.0, 0.F) == false);
655 }
656
test_isinf()657 void test_isinf()
658 {
659 #ifdef isinf
660 #error isinf defined
661 #endif
662 static_assert((std::is_same<decltype(std::isinf((float)0)), bool>::value), "");
663
664 typedef decltype(std::isinf((double)0)) DoubleRetType;
665 #if !defined(__linux__) || defined(__clang__)
666 static_assert((std::is_same<DoubleRetType, bool>::value), "");
667 #else
668 // GLIBC < 2.23 defines 'isinf(double)' with a return type of 'int' in
669 // all C++ dialects. The test should tolerate this when libc++ can't work
670 // around it.
671 // See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
672 static_assert((std::is_same<DoubleRetType, bool>::value
673 || std::is_same<DoubleRetType, int>::value), "");
674 #endif
675
676 static_assert((std::is_same<decltype(std::isinf(0)), bool>::value), "");
677 static_assert((std::is_same<decltype(std::isinf((long double)0)), bool>::value), "");
678 assert(std::isinf(-1.0) == false);
679 assert(std::isinf(0) == false);
680 assert(std::isinf(1) == false);
681 assert(std::isinf(-1) == false);
682 assert(std::isinf(std::numeric_limits<int>::max()) == false);
683 assert(std::isinf(std::numeric_limits<int>::min()) == false);
684 }
685
test_isless()686 void test_isless()
687 {
688 #ifdef isless
689 #error isless defined
690 #endif
691 static_assert((std::is_same<decltype(std::isless((float)0, (float)0)), bool>::value), "");
692 static_assert((std::is_same<decltype(std::isless((float)0, (double)0)), bool>::value), "");
693 static_assert((std::is_same<decltype(std::isless((float)0, (long double)0)), bool>::value), "");
694 static_assert((std::is_same<decltype(std::isless((double)0, (float)0)), bool>::value), "");
695 static_assert((std::is_same<decltype(std::isless((double)0, (double)0)), bool>::value), "");
696 static_assert((std::is_same<decltype(std::isless(0, (double)0)), bool>::value), "");
697 static_assert((std::is_same<decltype(std::isless((double)0, (long double)0)), bool>::value), "");
698 static_assert((std::is_same<decltype(std::isless((long double)0, (float)0)), bool>::value), "");
699 static_assert((std::is_same<decltype(std::isless((long double)0, (double)0)), bool>::value), "");
700 static_assert((std::is_same<decltype(std::isless((long double)0, (long double)0)), bool>::value), "");
701 static_assert((std::is_same<decltype(isless(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
702 assert(std::isless(-1.0, 0.F) == true);
703 }
704
test_islessequal()705 void test_islessequal()
706 {
707 #ifdef islessequal
708 #error islessequal defined
709 #endif
710 static_assert((std::is_same<decltype(std::islessequal((float)0, (float)0)), bool>::value), "");
711 static_assert((std::is_same<decltype(std::islessequal((float)0, (double)0)), bool>::value), "");
712 static_assert((std::is_same<decltype(std::islessequal((float)0, (long double)0)), bool>::value), "");
713 static_assert((std::is_same<decltype(std::islessequal((double)0, (float)0)), bool>::value), "");
714 static_assert((std::is_same<decltype(std::islessequal((double)0, (double)0)), bool>::value), "");
715 static_assert((std::is_same<decltype(std::islessequal(0, (double)0)), bool>::value), "");
716 static_assert((std::is_same<decltype(std::islessequal((double)0, (long double)0)), bool>::value), "");
717 static_assert((std::is_same<decltype(std::islessequal((long double)0, (float)0)), bool>::value), "");
718 static_assert((std::is_same<decltype(std::islessequal((long double)0, (double)0)), bool>::value), "");
719 static_assert((std::is_same<decltype(std::islessequal((long double)0, (long double)0)), bool>::value), "");
720 static_assert((std::is_same<decltype(islessequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
721 assert(std::islessequal(-1.0, 0.F) == true);
722 }
723
test_islessgreater()724 void test_islessgreater()
725 {
726 #ifdef islessgreater
727 #error islessgreater defined
728 #endif
729 static_assert((std::is_same<decltype(std::islessgreater((float)0, (float)0)), bool>::value), "");
730 static_assert((std::is_same<decltype(std::islessgreater((float)0, (double)0)), bool>::value), "");
731 static_assert((std::is_same<decltype(std::islessgreater((float)0, (long double)0)), bool>::value), "");
732 static_assert((std::is_same<decltype(std::islessgreater((double)0, (float)0)), bool>::value), "");
733 static_assert((std::is_same<decltype(std::islessgreater((double)0, (double)0)), bool>::value), "");
734 static_assert((std::is_same<decltype(std::islessgreater(0, (double)0)), bool>::value), "");
735 static_assert((std::is_same<decltype(std::islessgreater((double)0, (long double)0)), bool>::value), "");
736 static_assert((std::is_same<decltype(std::islessgreater((long double)0, (float)0)), bool>::value), "");
737 static_assert((std::is_same<decltype(std::islessgreater((long double)0, (double)0)), bool>::value), "");
738 static_assert((std::is_same<decltype(std::islessgreater((long double)0, (long double)0)), bool>::value), "");
739 static_assert((std::is_same<decltype(islessgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
740 assert(std::islessgreater(-1.0, 0.F) == true);
741 }
742
test_isnan()743 void test_isnan()
744 {
745 #ifdef isnan
746 #error isnan defined
747 #endif
748 static_assert((std::is_same<decltype(std::isnan((float)0)), bool>::value), "");
749
750 typedef decltype(std::isnan((double)0)) DoubleRetType;
751 #if !defined(__linux__) || defined(__clang__)
752 static_assert((std::is_same<DoubleRetType, bool>::value), "");
753 #else
754 // GLIBC < 2.23 defines 'isinf(double)' with a return type of 'int' in
755 // all C++ dialects. The test should tolerate this when libc++ can't work
756 // around it.
757 // See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
758 static_assert((std::is_same<DoubleRetType, bool>::value
759 || std::is_same<DoubleRetType, int>::value), "");
760 #endif
761
762 static_assert((std::is_same<decltype(std::isnan(0)), bool>::value), "");
763 static_assert((std::is_same<decltype(std::isnan((long double)0)), bool>::value), "");
764 assert(std::isnan(-1.0) == false);
765 assert(std::isnan(0) == false);
766 assert(std::isnan(1) == false);
767 assert(std::isnan(-1) == false);
768 assert(std::isnan(std::numeric_limits<int>::max()) == false);
769 assert(std::isnan(std::numeric_limits<int>::min()) == false);
770 }
771
test_isunordered()772 void test_isunordered()
773 {
774 #ifdef isunordered
775 #error isunordered defined
776 #endif
777 static_assert((std::is_same<decltype(std::isunordered((float)0, (float)0)), bool>::value), "");
778 static_assert((std::is_same<decltype(std::isunordered((float)0, (double)0)), bool>::value), "");
779 static_assert((std::is_same<decltype(std::isunordered((float)0, (long double)0)), bool>::value), "");
780 static_assert((std::is_same<decltype(std::isunordered((double)0, (float)0)), bool>::value), "");
781 static_assert((std::is_same<decltype(std::isunordered((double)0, (double)0)), bool>::value), "");
782 static_assert((std::is_same<decltype(std::isunordered(0, (double)0)), bool>::value), "");
783 static_assert((std::is_same<decltype(std::isunordered((double)0, (long double)0)), bool>::value), "");
784 static_assert((std::is_same<decltype(std::isunordered((long double)0, (float)0)), bool>::value), "");
785 static_assert((std::is_same<decltype(std::isunordered((long double)0, (double)0)), bool>::value), "");
786 static_assert((std::is_same<decltype(std::isunordered((long double)0, (long double)0)), bool>::value), "");
787 static_assert((std::is_same<decltype(isunordered(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
788 assert(std::isunordered(-1.0, 0.F) == false);
789 }
790
test_acosh()791 void test_acosh()
792 {
793 static_assert((std::is_same<decltype(std::acosh((float)0)), float>::value), "");
794 static_assert((std::is_same<decltype(std::acosh((bool)0)), double>::value), "");
795 static_assert((std::is_same<decltype(std::acosh((unsigned short)0)), double>::value), "");
796 static_assert((std::is_same<decltype(std::acosh((int)0)), double>::value), "");
797 static_assert((std::is_same<decltype(std::acosh((unsigned int)0)), double>::value), "");
798 static_assert((std::is_same<decltype(std::acosh((long)0)), double>::value), "");
799 static_assert((std::is_same<decltype(std::acosh((unsigned long)0)), double>::value), "");
800 static_assert((std::is_same<decltype(std::acosh((long long)0)), double>::value), "");
801 static_assert((std::is_same<decltype(std::acosh((unsigned long long)0)), double>::value), "");
802 static_assert((std::is_same<decltype(std::acosh((double)0)), double>::value), "");
803 static_assert((std::is_same<decltype(std::acosh((long double)0)), long double>::value), "");
804 static_assert((std::is_same<decltype(std::acoshf(0)), float>::value), "");
805 static_assert((std::is_same<decltype(std::acoshl(0)), long double>::value), "");
806 static_assert((std::is_same<decltype(acosh(Ambiguous())), Ambiguous>::value), "");
807 assert(std::acosh(1) == 0);
808 }
809
test_asinh()810 void test_asinh()
811 {
812 static_assert((std::is_same<decltype(std::asinh((float)0)), float>::value), "");
813 static_assert((std::is_same<decltype(std::asinh((bool)0)), double>::value), "");
814 static_assert((std::is_same<decltype(std::asinh((unsigned short)0)), double>::value), "");
815 static_assert((std::is_same<decltype(std::asinh((int)0)), double>::value), "");
816 static_assert((std::is_same<decltype(std::asinh((unsigned int)0)), double>::value), "");
817 static_assert((std::is_same<decltype(std::asinh((long)0)), double>::value), "");
818 static_assert((std::is_same<decltype(std::asinh((unsigned long)0)), double>::value), "");
819 static_assert((std::is_same<decltype(std::asinh((long long)0)), double>::value), "");
820 static_assert((std::is_same<decltype(std::asinh((unsigned long long)0)), double>::value), "");
821 static_assert((std::is_same<decltype(std::asinh((double)0)), double>::value), "");
822 static_assert((std::is_same<decltype(std::asinh((long double)0)), long double>::value), "");
823 static_assert((std::is_same<decltype(std::asinhf(0)), float>::value), "");
824 static_assert((std::is_same<decltype(std::asinhl(0)), long double>::value), "");
825 static_assert((std::is_same<decltype(asinh(Ambiguous())), Ambiguous>::value), "");
826 assert(std::asinh(0) == 0);
827 }
828
test_atanh()829 void test_atanh()
830 {
831 static_assert((std::is_same<decltype(std::atanh((float)0)), float>::value), "");
832 static_assert((std::is_same<decltype(std::atanh((bool)0)), double>::value), "");
833 static_assert((std::is_same<decltype(std::atanh((unsigned short)0)), double>::value), "");
834 static_assert((std::is_same<decltype(std::atanh((int)0)), double>::value), "");
835 static_assert((std::is_same<decltype(std::atanh((unsigned int)0)), double>::value), "");
836 static_assert((std::is_same<decltype(std::atanh((long)0)), double>::value), "");
837 static_assert((std::is_same<decltype(std::atanh((unsigned long)0)), double>::value), "");
838 static_assert((std::is_same<decltype(std::atanh((long long)0)), double>::value), "");
839 static_assert((std::is_same<decltype(std::atanh((unsigned long long)0)), double>::value), "");
840 static_assert((std::is_same<decltype(std::atanh((double)0)), double>::value), "");
841 static_assert((std::is_same<decltype(std::atanh((long double)0)), long double>::value), "");
842 static_assert((std::is_same<decltype(std::atanhf(0)), float>::value), "");
843 static_assert((std::is_same<decltype(std::atanhl(0)), long double>::value), "");
844 static_assert((std::is_same<decltype(atanh(Ambiguous())), Ambiguous>::value), "");
845 assert(std::atanh(0) == 0);
846 }
847
test_cbrt()848 void test_cbrt()
849 {
850 static_assert((std::is_same<decltype(std::cbrt((float)0)), float>::value), "");
851 static_assert((std::is_same<decltype(std::cbrt((bool)0)), double>::value), "");
852 static_assert((std::is_same<decltype(std::cbrt((unsigned short)0)), double>::value), "");
853 static_assert((std::is_same<decltype(std::cbrt((int)0)), double>::value), "");
854 static_assert((std::is_same<decltype(std::cbrt((unsigned int)0)), double>::value), "");
855 static_assert((std::is_same<decltype(std::cbrt((long)0)), double>::value), "");
856 static_assert((std::is_same<decltype(std::cbrt((unsigned long)0)), double>::value), "");
857 static_assert((std::is_same<decltype(std::cbrt((long long)0)), double>::value), "");
858 static_assert((std::is_same<decltype(std::cbrt((unsigned long long)0)), double>::value), "");
859 static_assert((std::is_same<decltype(std::cbrt((double)0)), double>::value), "");
860 static_assert((std::is_same<decltype(std::cbrt((long double)0)), long double>::value), "");
861 static_assert((std::is_same<decltype(std::cbrtf(0)), float>::value), "");
862 static_assert((std::is_same<decltype(std::cbrtl(0)), long double>::value), "");
863 static_assert((std::is_same<decltype(cbrt(Ambiguous())), Ambiguous>::value), "");
864 assert(truncate_fp(std::cbrt(1)) == 1);
865 }
866
test_copysign()867 void test_copysign()
868 {
869 static_assert((std::is_same<decltype(std::copysign((float)0, (float)0)), float>::value), "");
870 static_assert((std::is_same<decltype(std::copysign((bool)0, (float)0)), double>::value), "");
871 static_assert((std::is_same<decltype(std::copysign((unsigned short)0, (double)0)), double>::value), "");
872 static_assert((std::is_same<decltype(std::copysign((int)0, (long double)0)), long double>::value), "");
873 static_assert((std::is_same<decltype(std::copysign((float)0, (unsigned int)0)), double>::value), "");
874 static_assert((std::is_same<decltype(std::copysign((double)0, (long)0)), double>::value), "");
875 static_assert((std::is_same<decltype(std::copysign((long double)0, (unsigned long)0)), long double>::value), "");
876 static_assert((std::is_same<decltype(std::copysign((int)0, (long long)0)), double>::value), "");
877 static_assert((std::is_same<decltype(std::copysign((int)0, (unsigned long long)0)), double>::value), "");
878 static_assert((std::is_same<decltype(std::copysign((double)0, (double)0)), double>::value), "");
879 static_assert((std::is_same<decltype(std::copysign((long double)0, (long double)0)), long double>::value), "");
880 static_assert((std::is_same<decltype(std::copysign((float)0, (double)0)), double>::value), "");
881 static_assert((std::is_same<decltype(std::copysign((float)0, (long double)0)), long double>::value), "");
882 static_assert((std::is_same<decltype(std::copysign((double)0, (long double)0)), long double>::value), "");
883 static_assert((std::is_same<decltype(std::copysignf(0,0)), float>::value), "");
884 static_assert((std::is_same<decltype(std::copysignl(0,0)), long double>::value), "");
885 static_assert((std::is_same<decltype(std::copysign((int)0, (int)0)), double>::value), "");
886 static_assert((std::is_same<decltype(copysign(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
887 assert(std::copysign(1,1) == 1);
888 }
889
test_erf()890 void test_erf()
891 {
892 static_assert((std::is_same<decltype(std::erf((float)0)), float>::value), "");
893 static_assert((std::is_same<decltype(std::erf((bool)0)), double>::value), "");
894 static_assert((std::is_same<decltype(std::erf((unsigned short)0)), double>::value), "");
895 static_assert((std::is_same<decltype(std::erf((int)0)), double>::value), "");
896 static_assert((std::is_same<decltype(std::erf((unsigned int)0)), double>::value), "");
897 static_assert((std::is_same<decltype(std::erf((long)0)), double>::value), "");
898 static_assert((std::is_same<decltype(std::erf((unsigned long)0)), double>::value), "");
899 static_assert((std::is_same<decltype(std::erf((long long)0)), double>::value), "");
900 static_assert((std::is_same<decltype(std::erf((unsigned long long)0)), double>::value), "");
901 static_assert((std::is_same<decltype(std::erf((double)0)), double>::value), "");
902 static_assert((std::is_same<decltype(std::erf((long double)0)), long double>::value), "");
903 static_assert((std::is_same<decltype(std::erff(0)), float>::value), "");
904 static_assert((std::is_same<decltype(std::erfl(0)), long double>::value), "");
905 static_assert((std::is_same<decltype(erf(Ambiguous())), Ambiguous>::value), "");
906 assert(std::erf(0) == 0);
907 }
908
test_erfc()909 void test_erfc()
910 {
911 static_assert((std::is_same<decltype(std::erfc((float)0)), float>::value), "");
912 static_assert((std::is_same<decltype(std::erfc((bool)0)), double>::value), "");
913 static_assert((std::is_same<decltype(std::erfc((unsigned short)0)), double>::value), "");
914 static_assert((std::is_same<decltype(std::erfc((int)0)), double>::value), "");
915 static_assert((std::is_same<decltype(std::erfc((unsigned int)0)), double>::value), "");
916 static_assert((std::is_same<decltype(std::erfc((long)0)), double>::value), "");
917 static_assert((std::is_same<decltype(std::erfc((unsigned long)0)), double>::value), "");
918 static_assert((std::is_same<decltype(std::erfc((long long)0)), double>::value), "");
919 static_assert((std::is_same<decltype(std::erfc((unsigned long long)0)), double>::value), "");
920 static_assert((std::is_same<decltype(std::erfc((double)0)), double>::value), "");
921 static_assert((std::is_same<decltype(std::erfc((long double)0)), long double>::value), "");
922 static_assert((std::is_same<decltype(std::erfcf(0)), float>::value), "");
923 static_assert((std::is_same<decltype(std::erfcl(0)), long double>::value), "");
924 static_assert((std::is_same<decltype(erfc(Ambiguous())), Ambiguous>::value), "");
925 assert(std::erfc(0) == 1);
926 }
927
test_exp2()928 void test_exp2()
929 {
930 static_assert((std::is_same<decltype(std::exp2((float)0)), float>::value), "");
931 static_assert((std::is_same<decltype(std::exp2((bool)0)), double>::value), "");
932 static_assert((std::is_same<decltype(std::exp2((unsigned short)0)), double>::value), "");
933 static_assert((std::is_same<decltype(std::exp2((int)0)), double>::value), "");
934 static_assert((std::is_same<decltype(std::exp2((unsigned int)0)), double>::value), "");
935 static_assert((std::is_same<decltype(std::exp2((long)0)), double>::value), "");
936 static_assert((std::is_same<decltype(std::exp2((unsigned long)0)), double>::value), "");
937 static_assert((std::is_same<decltype(std::exp2((long long)0)), double>::value), "");
938 static_assert((std::is_same<decltype(std::exp2((unsigned long long)0)), double>::value), "");
939 static_assert((std::is_same<decltype(std::exp2((double)0)), double>::value), "");
940 static_assert((std::is_same<decltype(std::exp2((long double)0)), long double>::value), "");
941 static_assert((std::is_same<decltype(std::exp2f(0)), float>::value), "");
942 static_assert((std::is_same<decltype(std::exp2l(0)), long double>::value), "");
943 static_assert((std::is_same<decltype(exp2(Ambiguous())), Ambiguous>::value), "");
944 assert(std::exp2(1) == 2);
945 }
946
test_expm1()947 void test_expm1()
948 {
949 static_assert((std::is_same<decltype(std::expm1((float)0)), float>::value), "");
950 static_assert((std::is_same<decltype(std::expm1((bool)0)), double>::value), "");
951 static_assert((std::is_same<decltype(std::expm1((unsigned short)0)), double>::value), "");
952 static_assert((std::is_same<decltype(std::expm1((int)0)), double>::value), "");
953 static_assert((std::is_same<decltype(std::expm1((unsigned int)0)), double>::value), "");
954 static_assert((std::is_same<decltype(std::expm1((long)0)), double>::value), "");
955 static_assert((std::is_same<decltype(std::expm1((unsigned long)0)), double>::value), "");
956 static_assert((std::is_same<decltype(std::expm1((long long)0)), double>::value), "");
957 static_assert((std::is_same<decltype(std::expm1((unsigned long long)0)), double>::value), "");
958 static_assert((std::is_same<decltype(std::expm1((double)0)), double>::value), "");
959 static_assert((std::is_same<decltype(std::expm1((long double)0)), long double>::value), "");
960 static_assert((std::is_same<decltype(std::expm1f(0)), float>::value), "");
961 static_assert((std::is_same<decltype(std::expm1l(0)), long double>::value), "");
962 static_assert((std::is_same<decltype(expm1(Ambiguous())), Ambiguous>::value), "");
963 assert(std::expm1(0) == 0);
964 }
965
test_fdim()966 void test_fdim()
967 {
968 static_assert((std::is_same<decltype(std::fdim((float)0, (float)0)), float>::value), "");
969 static_assert((std::is_same<decltype(std::fdim((bool)0, (float)0)), double>::value), "");
970 static_assert((std::is_same<decltype(std::fdim((unsigned short)0, (double)0)), double>::value), "");
971 static_assert((std::is_same<decltype(std::fdim((int)0, (long double)0)), long double>::value), "");
972 static_assert((std::is_same<decltype(std::fdim((float)0, (unsigned int)0)), double>::value), "");
973 static_assert((std::is_same<decltype(std::fdim((double)0, (long)0)), double>::value), "");
974 static_assert((std::is_same<decltype(std::fdim((long double)0, (unsigned long)0)), long double>::value), "");
975 static_assert((std::is_same<decltype(std::fdim((int)0, (long long)0)), double>::value), "");
976 static_assert((std::is_same<decltype(std::fdim((int)0, (unsigned long long)0)), double>::value), "");
977 static_assert((std::is_same<decltype(std::fdim((double)0, (double)0)), double>::value), "");
978 static_assert((std::is_same<decltype(std::fdim((long double)0, (long double)0)), long double>::value), "");
979 static_assert((std::is_same<decltype(std::fdim((float)0, (double)0)), double>::value), "");
980 static_assert((std::is_same<decltype(std::fdim((float)0, (long double)0)), long double>::value), "");
981 static_assert((std::is_same<decltype(std::fdim((double)0, (long double)0)), long double>::value), "");
982 static_assert((std::is_same<decltype(std::fdimf(0,0)), float>::value), "");
983 static_assert((std::is_same<decltype(std::fdiml(0,0)), long double>::value), "");
984 static_assert((std::is_same<decltype(std::fdim((int)0, (int)0)), double>::value), "");
985 static_assert((std::is_same<decltype(fdim(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
986 assert(std::fdim(1,0) == 1);
987 }
988
test_fma()989 void test_fma()
990 {
991 static_assert((std::is_same<decltype(std::fma((bool)0, (float)0, (float)0)), double>::value), "");
992 static_assert((std::is_same<decltype(std::fma((char)0, (float)0, (float)0)), double>::value), "");
993 static_assert((std::is_same<decltype(std::fma((unsigned)0, (float)0, (float)0)), double>::value), "");
994 static_assert((std::is_same<decltype(std::fma((float)0, (int)0, (float)0)), double>::value), "");
995 static_assert((std::is_same<decltype(std::fma((float)0, (long)0, (float)0)), double>::value), "");
996 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (unsigned long long)0)), double>::value), "");
997 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (double)0)), double>::value), "");
998 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (long double)0)), long double>::value), "");
999 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (float)0)), float>::value), "");
1000
1001 static_assert((std::is_same<decltype(std::fma((bool)0, (double)0, (double)0)), double>::value), "");
1002 static_assert((std::is_same<decltype(std::fma((char)0, (double)0, (double)0)), double>::value), "");
1003 static_assert((std::is_same<decltype(std::fma((unsigned)0, (double)0, (double)0)), double>::value), "");
1004 static_assert((std::is_same<decltype(std::fma((double)0, (int)0, (double)0)), double>::value), "");
1005 static_assert((std::is_same<decltype(std::fma((double)0, (long)0, (double)0)), double>::value), "");
1006 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (unsigned long long)0)), double>::value), "");
1007 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (float)0)), double>::value), "");
1008 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (long double)0)), long double>::value), "");
1009 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (double)0)), double>::value), "");
1010
1011 static_assert((std::is_same<decltype(std::fma((bool)0, (long double)0, (long double)0)), long double>::value), "");
1012 static_assert((std::is_same<decltype(std::fma((char)0, (long double)0, (long double)0)), long double>::value), "");
1013 static_assert((std::is_same<decltype(std::fma((unsigned)0, (long double)0, (long double)0)), long double>::value), "");
1014 static_assert((std::is_same<decltype(std::fma((long double)0, (int)0, (long double)0)), long double>::value), "");
1015 static_assert((std::is_same<decltype(std::fma((long double)0, (long)0, (long double)0)), long double>::value), "");
1016 static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (unsigned long long)0)), long double>::value), "");
1017 static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (float)0)), long double>::value), "");
1018 static_assert((std::is_same<decltype(std::fma((double)0, (long double)0, (long double)0)), long double>::value), "");
1019 static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (long double)0)), long double>::value), "");
1020
1021 static_assert((std::is_same<decltype(std::fmaf(0,0,0)), float>::value), "");
1022 static_assert((std::is_same<decltype(std::fmal(0,0,0)), long double>::value), "");
1023 static_assert((std::is_same<decltype(fma(Ambiguous(), Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1024 assert(std::fma(1,1,1) == 2);
1025 }
1026
test_fmax()1027 void test_fmax()
1028 {
1029 static_assert((std::is_same<decltype(std::fmax((float)0, (float)0)), float>::value), "");
1030 static_assert((std::is_same<decltype(std::fmax((bool)0, (float)0)), double>::value), "");
1031 static_assert((std::is_same<decltype(std::fmax((unsigned short)0, (double)0)), double>::value), "");
1032 static_assert((std::is_same<decltype(std::fmax((int)0, (long double)0)), long double>::value), "");
1033 static_assert((std::is_same<decltype(std::fmax((float)0, (unsigned int)0)), double>::value), "");
1034 static_assert((std::is_same<decltype(std::fmax((double)0, (long)0)), double>::value), "");
1035 static_assert((std::is_same<decltype(std::fmax((long double)0, (unsigned long)0)), long double>::value), "");
1036 static_assert((std::is_same<decltype(std::fmax((int)0, (long long)0)), double>::value), "");
1037 static_assert((std::is_same<decltype(std::fmax((int)0, (unsigned long long)0)), double>::value), "");
1038 static_assert((std::is_same<decltype(std::fmax((double)0, (double)0)), double>::value), "");
1039 static_assert((std::is_same<decltype(std::fmax((long double)0, (long double)0)), long double>::value), "");
1040 static_assert((std::is_same<decltype(std::fmax((float)0, (double)0)), double>::value), "");
1041 static_assert((std::is_same<decltype(std::fmax((float)0, (long double)0)), long double>::value), "");
1042 static_assert((std::is_same<decltype(std::fmax((double)0, (long double)0)), long double>::value), "");
1043 static_assert((std::is_same<decltype(std::fmaxf(0,0)), float>::value), "");
1044 static_assert((std::is_same<decltype(std::fmaxl(0,0)), long double>::value), "");
1045 static_assert((std::is_same<decltype(std::fmax((int)0, (int)0)), double>::value), "");
1046 static_assert((std::is_same<decltype(fmax(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1047 assert(std::fmax(1,0) == 1);
1048 }
1049
test_fmin()1050 void test_fmin()
1051 {
1052 static_assert((std::is_same<decltype(std::fmin((float)0, (float)0)), float>::value), "");
1053 static_assert((std::is_same<decltype(std::fmin((bool)0, (float)0)), double>::value), "");
1054 static_assert((std::is_same<decltype(std::fmin((unsigned short)0, (double)0)), double>::value), "");
1055 static_assert((std::is_same<decltype(std::fmin((int)0, (long double)0)), long double>::value), "");
1056 static_assert((std::is_same<decltype(std::fmin((float)0, (unsigned int)0)), double>::value), "");
1057 static_assert((std::is_same<decltype(std::fmin((double)0, (long)0)), double>::value), "");
1058 static_assert((std::is_same<decltype(std::fmin((long double)0, (unsigned long)0)), long double>::value), "");
1059 static_assert((std::is_same<decltype(std::fmin((int)0, (long long)0)), double>::value), "");
1060 static_assert((std::is_same<decltype(std::fmin((int)0, (unsigned long long)0)), double>::value), "");
1061 static_assert((std::is_same<decltype(std::fmin((double)0, (double)0)), double>::value), "");
1062 static_assert((std::is_same<decltype(std::fmin((long double)0, (long double)0)), long double>::value), "");
1063 static_assert((std::is_same<decltype(std::fmin((float)0, (double)0)), double>::value), "");
1064 static_assert((std::is_same<decltype(std::fmin((float)0, (long double)0)), long double>::value), "");
1065 static_assert((std::is_same<decltype(std::fmin((double)0, (long double)0)), long double>::value), "");
1066 static_assert((std::is_same<decltype(std::fminf(0,0)), float>::value), "");
1067 static_assert((std::is_same<decltype(std::fminl(0,0)), long double>::value), "");
1068 static_assert((std::is_same<decltype(std::fmin((int)0, (int)0)), double>::value), "");
1069 static_assert((std::is_same<decltype(fmin(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1070 assert(std::fmin(1,0) == 0);
1071 }
1072
test_hypot()1073 void test_hypot()
1074 {
1075 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0)), float>::value), "");
1076 static_assert((std::is_same<decltype(std::hypot((bool)0, (float)0)), double>::value), "");
1077 static_assert((std::is_same<decltype(std::hypot((unsigned short)0, (double)0)), double>::value), "");
1078 static_assert((std::is_same<decltype(std::hypot((int)0, (long double)0)), long double>::value), "");
1079 static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned int)0)), double>::value), "");
1080 static_assert((std::is_same<decltype(std::hypot((double)0, (long)0)), double>::value), "");
1081 static_assert((std::is_same<decltype(std::hypot((long double)0, (unsigned long)0)), long double>::value), "");
1082 static_assert((std::is_same<decltype(std::hypot((int)0, (long long)0)), double>::value), "");
1083 static_assert((std::is_same<decltype(std::hypot((int)0, (unsigned long long)0)), double>::value), "");
1084 static_assert((std::is_same<decltype(std::hypot((double)0, (double)0)), double>::value), "");
1085 static_assert((std::is_same<decltype(std::hypot((long double)0, (long double)0)), long double>::value), "");
1086 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0)), double>::value), "");
1087 static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0)), long double>::value), "");
1088 static_assert((std::is_same<decltype(std::hypot((double)0, (long double)0)), long double>::value), "");
1089 static_assert((std::is_same<decltype(std::hypotf(0,0)), float>::value), "");
1090 static_assert((std::is_same<decltype(std::hypotl(0,0)), long double>::value), "");
1091 static_assert((std::is_same<decltype(std::hypot((int)0, (int)0)), double>::value), "");
1092 static_assert((std::is_same<decltype(hypot(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1093 assert(std::hypot(3,4) == 5);
1094
1095 #if TEST_STD_VER > 14
1096 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0, (float)0)), float>::value), "");
1097 static_assert((std::is_same<decltype(std::hypot((float)0, (bool)0, (float)0)), double>::value), "");
1098 static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned short)0, (double)0)), double>::value), "");
1099 static_assert((std::is_same<decltype(std::hypot((float)0, (int)0, (long double)0)), long double>::value), "");
1100 static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned int)0)), double>::value), "");
1101 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0, (long)0)), double>::value), "");
1102 static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0, (unsigned long)0)), long double>::value), "");
1103 static_assert((std::is_same<decltype(std::hypot((float)0, (int)0, (long long)0)), double>::value), "");
1104 static_assert((std::is_same<decltype(std::hypot((float)0, (int)0, (unsigned long long)0)), double>::value), "");
1105 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0, (double)0)), double>::value), "");
1106 static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0, (long double)0)), long double>::value), "");
1107 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0, (double)0)), double>::value), "");
1108 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0, (long double)0)), long double>::value), "");
1109 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0, (long double)0)), long double>::value), "");
1110 static_assert((std::is_same<decltype(std::hypot((int)0, (int)0, (int)0)), double>::value), "");
1111 static_assert((std::is_same<decltype(hypot(Ambiguous(), Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1112
1113 assert(std::hypot(2,3,6) == 7);
1114 assert(std::hypot(1,4,8) == 9);
1115 #endif
1116 }
1117
test_ilogb()1118 void test_ilogb()
1119 {
1120 static_assert((std::is_same<decltype(std::ilogb((float)0)), int>::value), "");
1121 static_assert((std::is_same<decltype(std::ilogb((bool)0)), int>::value), "");
1122 static_assert((std::is_same<decltype(std::ilogb((unsigned short)0)), int>::value), "");
1123 static_assert((std::is_same<decltype(std::ilogb((int)0)), int>::value), "");
1124 static_assert((std::is_same<decltype(std::ilogb((unsigned int)0)), int>::value), "");
1125 static_assert((std::is_same<decltype(std::ilogb((long)0)), int>::value), "");
1126 static_assert((std::is_same<decltype(std::ilogb((unsigned long)0)), int>::value), "");
1127 static_assert((std::is_same<decltype(std::ilogb((long long)0)), int>::value), "");
1128 static_assert((std::is_same<decltype(std::ilogb((unsigned long long)0)), int>::value), "");
1129 static_assert((std::is_same<decltype(std::ilogb((double)0)), int>::value), "");
1130 static_assert((std::is_same<decltype(std::ilogb((long double)0)), int>::value), "");
1131 static_assert((std::is_same<decltype(std::ilogbf(0)), int>::value), "");
1132 static_assert((std::is_same<decltype(std::ilogbl(0)), int>::value), "");
1133 static_assert((std::is_same<decltype(ilogb(Ambiguous())), Ambiguous>::value), "");
1134 assert(std::ilogb(1) == 0);
1135 }
1136
test_lgamma()1137 void test_lgamma()
1138 {
1139 static_assert((std::is_same<decltype(std::lgamma((float)0)), float>::value), "");
1140 static_assert((std::is_same<decltype(std::lgamma((bool)0)), double>::value), "");
1141 static_assert((std::is_same<decltype(std::lgamma((unsigned short)0)), double>::value), "");
1142 static_assert((std::is_same<decltype(std::lgamma((int)0)), double>::value), "");
1143 static_assert((std::is_same<decltype(std::lgamma((unsigned int)0)), double>::value), "");
1144 static_assert((std::is_same<decltype(std::lgamma((long)0)), double>::value), "");
1145 static_assert((std::is_same<decltype(std::lgamma((unsigned long)0)), double>::value), "");
1146 static_assert((std::is_same<decltype(std::lgamma((long long)0)), double>::value), "");
1147 static_assert((std::is_same<decltype(std::lgamma((unsigned long long)0)), double>::value), "");
1148 static_assert((std::is_same<decltype(std::lgamma((double)0)), double>::value), "");
1149 static_assert((std::is_same<decltype(std::lgamma((long double)0)), long double>::value), "");
1150 static_assert((std::is_same<decltype(std::lgammaf(0)), float>::value), "");
1151 static_assert((std::is_same<decltype(std::lgammal(0)), long double>::value), "");
1152 static_assert((std::is_same<decltype(lgamma(Ambiguous())), Ambiguous>::value), "");
1153 assert(std::lgamma(1) == 0);
1154 }
1155
test_llrint()1156 void test_llrint()
1157 {
1158 static_assert((std::is_same<decltype(std::llrint((float)0)), long long>::value), "");
1159 static_assert((std::is_same<decltype(std::llrint((bool)0)), long long>::value), "");
1160 static_assert((std::is_same<decltype(std::llrint((unsigned short)0)), long long>::value), "");
1161 static_assert((std::is_same<decltype(std::llrint((int)0)), long long>::value), "");
1162 static_assert((std::is_same<decltype(std::llrint((unsigned int)0)), long long>::value), "");
1163 static_assert((std::is_same<decltype(std::llrint((long)0)), long long>::value), "");
1164 static_assert((std::is_same<decltype(std::llrint((unsigned long)0)), long long>::value), "");
1165 static_assert((std::is_same<decltype(std::llrint((long long)0)), long long>::value), "");
1166 static_assert((std::is_same<decltype(std::llrint((unsigned long long)0)), long long>::value), "");
1167 static_assert((std::is_same<decltype(std::llrint((double)0)), long long>::value), "");
1168 static_assert((std::is_same<decltype(std::llrint((long double)0)), long long>::value), "");
1169 static_assert((std::is_same<decltype(std::llrintf(0)), long long>::value), "");
1170 static_assert((std::is_same<decltype(std::llrintl(0)), long long>::value), "");
1171 static_assert((std::is_same<decltype(llrint(Ambiguous())), Ambiguous>::value), "");
1172 assert(std::llrint(1) == 1LL);
1173 }
1174
test_llround()1175 void test_llround()
1176 {
1177 static_assert((std::is_same<decltype(std::llround((float)0)), long long>::value), "");
1178 static_assert((std::is_same<decltype(std::llround((bool)0)), long long>::value), "");
1179 static_assert((std::is_same<decltype(std::llround((unsigned short)0)), long long>::value), "");
1180 static_assert((std::is_same<decltype(std::llround((int)0)), long long>::value), "");
1181 static_assert((std::is_same<decltype(std::llround((unsigned int)0)), long long>::value), "");
1182 static_assert((std::is_same<decltype(std::llround((long)0)), long long>::value), "");
1183 static_assert((std::is_same<decltype(std::llround((unsigned long)0)), long long>::value), "");
1184 static_assert((std::is_same<decltype(std::llround((long long)0)), long long>::value), "");
1185 static_assert((std::is_same<decltype(std::llround((unsigned long long)0)), long long>::value), "");
1186 static_assert((std::is_same<decltype(std::llround((double)0)), long long>::value), "");
1187 static_assert((std::is_same<decltype(std::llround((long double)0)), long long>::value), "");
1188 static_assert((std::is_same<decltype(std::llroundf(0)), long long>::value), "");
1189 static_assert((std::is_same<decltype(std::llroundl(0)), long long>::value), "");
1190 static_assert((std::is_same<decltype(llround(Ambiguous())), Ambiguous>::value), "");
1191 assert(std::llround(1) == 1LL);
1192 }
1193
test_log1p()1194 void test_log1p()
1195 {
1196 static_assert((std::is_same<decltype(std::log1p((float)0)), float>::value), "");
1197 static_assert((std::is_same<decltype(std::log1p((bool)0)), double>::value), "");
1198 static_assert((std::is_same<decltype(std::log1p((unsigned short)0)), double>::value), "");
1199 static_assert((std::is_same<decltype(std::log1p((int)0)), double>::value), "");
1200 static_assert((std::is_same<decltype(std::log1p((unsigned int)0)), double>::value), "");
1201 static_assert((std::is_same<decltype(std::log1p((long)0)), double>::value), "");
1202 static_assert((std::is_same<decltype(std::log1p((unsigned long)0)), double>::value), "");
1203 static_assert((std::is_same<decltype(std::log1p((long long)0)), double>::value), "");
1204 static_assert((std::is_same<decltype(std::log1p((unsigned long long)0)), double>::value), "");
1205 static_assert((std::is_same<decltype(std::log1p((double)0)), double>::value), "");
1206 static_assert((std::is_same<decltype(std::log1p((long double)0)), long double>::value), "");
1207 static_assert((std::is_same<decltype(std::log1pf(0)), float>::value), "");
1208 static_assert((std::is_same<decltype(std::log1pl(0)), long double>::value), "");
1209 static_assert((std::is_same<decltype(log1p(Ambiguous())), Ambiguous>::value), "");
1210 assert(std::log1p(0) == 0);
1211 }
1212
test_log2()1213 void test_log2()
1214 {
1215 static_assert((std::is_same<decltype(std::log2((float)0)), float>::value), "");
1216 static_assert((std::is_same<decltype(std::log2((bool)0)), double>::value), "");
1217 static_assert((std::is_same<decltype(std::log2((unsigned short)0)), double>::value), "");
1218 static_assert((std::is_same<decltype(std::log2((int)0)), double>::value), "");
1219 static_assert((std::is_same<decltype(std::log2((unsigned int)0)), double>::value), "");
1220 static_assert((std::is_same<decltype(std::log2((long)0)), double>::value), "");
1221 static_assert((std::is_same<decltype(std::log2((unsigned long)0)), double>::value), "");
1222 static_assert((std::is_same<decltype(std::log2((long long)0)), double>::value), "");
1223 static_assert((std::is_same<decltype(std::log2((unsigned long long)0)), double>::value), "");
1224 static_assert((std::is_same<decltype(std::log2((double)0)), double>::value), "");
1225 static_assert((std::is_same<decltype(std::log2((long double)0)), long double>::value), "");
1226 static_assert((std::is_same<decltype(std::log2f(0)), float>::value), "");
1227 static_assert((std::is_same<decltype(std::log2l(0)), long double>::value), "");
1228 static_assert((std::is_same<decltype(log2(Ambiguous())), Ambiguous>::value), "");
1229 assert(std::log2(1) == 0);
1230 }
1231
test_logb()1232 void test_logb()
1233 {
1234 static_assert((std::is_same<decltype(std::logb((float)0)), float>::value), "");
1235 static_assert((std::is_same<decltype(std::logb((bool)0)), double>::value), "");
1236 static_assert((std::is_same<decltype(std::logb((unsigned short)0)), double>::value), "");
1237 static_assert((std::is_same<decltype(std::logb((int)0)), double>::value), "");
1238 static_assert((std::is_same<decltype(std::logb((unsigned int)0)), double>::value), "");
1239 static_assert((std::is_same<decltype(std::logb((long)0)), double>::value), "");
1240 static_assert((std::is_same<decltype(std::logb((unsigned long)0)), double>::value), "");
1241 static_assert((std::is_same<decltype(std::logb((long long)0)), double>::value), "");
1242 static_assert((std::is_same<decltype(std::logb((unsigned long long)0)), double>::value), "");
1243 static_assert((std::is_same<decltype(std::logb((double)0)), double>::value), "");
1244 static_assert((std::is_same<decltype(std::logb((long double)0)), long double>::value), "");
1245 static_assert((std::is_same<decltype(std::logbf(0)), float>::value), "");
1246 static_assert((std::is_same<decltype(std::logbl(0)), long double>::value), "");
1247 static_assert((std::is_same<decltype(logb(Ambiguous())), Ambiguous>::value), "");
1248 assert(std::logb(1) == 0);
1249 }
1250
test_lrint()1251 void test_lrint()
1252 {
1253 static_assert((std::is_same<decltype(std::lrint((float)0)), long>::value), "");
1254 static_assert((std::is_same<decltype(std::lrint((bool)0)), long>::value), "");
1255 static_assert((std::is_same<decltype(std::lrint((unsigned short)0)), long>::value), "");
1256 static_assert((std::is_same<decltype(std::lrint((int)0)), long>::value), "");
1257 static_assert((std::is_same<decltype(std::lrint((unsigned int)0)), long>::value), "");
1258 static_assert((std::is_same<decltype(std::lrint((long)0)), long>::value), "");
1259 static_assert((std::is_same<decltype(std::lrint((unsigned long)0)), long>::value), "");
1260 static_assert((std::is_same<decltype(std::lrint((long long)0)), long>::value), "");
1261 static_assert((std::is_same<decltype(std::lrint((unsigned long long)0)), long>::value), "");
1262 static_assert((std::is_same<decltype(std::lrint((double)0)), long>::value), "");
1263 static_assert((std::is_same<decltype(std::lrint((long double)0)), long>::value), "");
1264 static_assert((std::is_same<decltype(std::lrintf(0)), long>::value), "");
1265 static_assert((std::is_same<decltype(std::lrintl(0)), long>::value), "");
1266 static_assert((std::is_same<decltype(lrint(Ambiguous())), Ambiguous>::value), "");
1267 assert(std::lrint(1) == 1L);
1268 }
1269
test_lround()1270 void test_lround()
1271 {
1272 static_assert((std::is_same<decltype(std::lround((float)0)), long>::value), "");
1273 static_assert((std::is_same<decltype(std::lround((bool)0)), long>::value), "");
1274 static_assert((std::is_same<decltype(std::lround((unsigned short)0)), long>::value), "");
1275 static_assert((std::is_same<decltype(std::lround((int)0)), long>::value), "");
1276 static_assert((std::is_same<decltype(std::lround((unsigned int)0)), long>::value), "");
1277 static_assert((std::is_same<decltype(std::lround((long)0)), long>::value), "");
1278 static_assert((std::is_same<decltype(std::lround((unsigned long)0)), long>::value), "");
1279 static_assert((std::is_same<decltype(std::lround((long long)0)), long>::value), "");
1280 static_assert((std::is_same<decltype(std::lround((unsigned long long)0)), long>::value), "");
1281 static_assert((std::is_same<decltype(std::lround((double)0)), long>::value), "");
1282 static_assert((std::is_same<decltype(std::lround((long double)0)), long>::value), "");
1283 static_assert((std::is_same<decltype(std::lroundf(0)), long>::value), "");
1284 static_assert((std::is_same<decltype(std::lroundl(0)), long>::value), "");
1285 static_assert((std::is_same<decltype(lround(Ambiguous())), Ambiguous>::value), "");
1286 assert(std::lround(1) == 1L);
1287 }
1288
test_nan()1289 void test_nan()
1290 {
1291 static_assert((std::is_same<decltype(std::nan("")), double>::value), "");
1292 static_assert((std::is_same<decltype(std::nanf("")), float>::value), "");
1293 static_assert((std::is_same<decltype(std::nanl("")), long double>::value), "");
1294 }
1295
test_nearbyint()1296 void test_nearbyint()
1297 {
1298 static_assert((std::is_same<decltype(std::nearbyint((float)0)), float>::value), "");
1299 static_assert((std::is_same<decltype(std::nearbyint((bool)0)), double>::value), "");
1300 static_assert((std::is_same<decltype(std::nearbyint((unsigned short)0)), double>::value), "");
1301 static_assert((std::is_same<decltype(std::nearbyint((int)0)), double>::value), "");
1302 static_assert((std::is_same<decltype(std::nearbyint((unsigned int)0)), double>::value), "");
1303 static_assert((std::is_same<decltype(std::nearbyint((long)0)), double>::value), "");
1304 static_assert((std::is_same<decltype(std::nearbyint((unsigned long)0)), double>::value), "");
1305 static_assert((std::is_same<decltype(std::nearbyint((long long)0)), double>::value), "");
1306 static_assert((std::is_same<decltype(std::nearbyint((unsigned long long)0)), double>::value), "");
1307 static_assert((std::is_same<decltype(std::nearbyint((double)0)), double>::value), "");
1308 static_assert((std::is_same<decltype(std::nearbyint((long double)0)), long double>::value), "");
1309 static_assert((std::is_same<decltype(std::nearbyintf(0)), float>::value), "");
1310 static_assert((std::is_same<decltype(std::nearbyintl(0)), long double>::value), "");
1311 static_assert((std::is_same<decltype(nearbyint(Ambiguous())), Ambiguous>::value), "");
1312 assert(std::nearbyint(1) == 1);
1313 }
1314
test_nextafter()1315 void test_nextafter()
1316 {
1317 static_assert((std::is_same<decltype(std::nextafter((float)0, (float)0)), float>::value), "");
1318 static_assert((std::is_same<decltype(std::nextafter((bool)0, (float)0)), double>::value), "");
1319 static_assert((std::is_same<decltype(std::nextafter((unsigned short)0, (double)0)), double>::value), "");
1320 static_assert((std::is_same<decltype(std::nextafter((int)0, (long double)0)), long double>::value), "");
1321 static_assert((std::is_same<decltype(std::nextafter((float)0, (unsigned int)0)), double>::value), "");
1322 static_assert((std::is_same<decltype(std::nextafter((double)0, (long)0)), double>::value), "");
1323 static_assert((std::is_same<decltype(std::nextafter((long double)0, (unsigned long)0)), long double>::value), "");
1324 static_assert((std::is_same<decltype(std::nextafter((int)0, (long long)0)), double>::value), "");
1325 static_assert((std::is_same<decltype(std::nextafter((int)0, (unsigned long long)0)), double>::value), "");
1326 static_assert((std::is_same<decltype(std::nextafter((double)0, (double)0)), double>::value), "");
1327 static_assert((std::is_same<decltype(std::nextafter((long double)0, (long double)0)), long double>::value), "");
1328 static_assert((std::is_same<decltype(std::nextafter((float)0, (double)0)), double>::value), "");
1329 static_assert((std::is_same<decltype(std::nextafter((float)0, (long double)0)), long double>::value), "");
1330 static_assert((std::is_same<decltype(std::nextafter((double)0, (long double)0)), long double>::value), "");
1331 static_assert((std::is_same<decltype(std::nextafterf(0,0)), float>::value), "");
1332 static_assert((std::is_same<decltype(std::nextafterl(0,0)), long double>::value), "");
1333 static_assert((std::is_same<decltype(std::nextafter((int)0, (int)0)), double>::value), "");
1334 static_assert((std::is_same<decltype(nextafter(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1335 assert(std::nextafter(0,1) == hexfloat<double>(0x1, 0, -1074));
1336 }
1337
test_nexttoward()1338 void test_nexttoward()
1339 {
1340 static_assert((std::is_same<decltype(std::nexttoward((float)0, (long double)0)), float>::value), "");
1341 static_assert((std::is_same<decltype(std::nexttoward((bool)0, (long double)0)), double>::value), "");
1342 static_assert((std::is_same<decltype(std::nexttoward((unsigned short)0, (long double)0)), double>::value), "");
1343 static_assert((std::is_same<decltype(std::nexttoward((int)0, (long double)0)), double>::value), "");
1344 static_assert((std::is_same<decltype(std::nexttoward((unsigned int)0, (long double)0)), double>::value), "");
1345 static_assert((std::is_same<decltype(std::nexttoward((long)0, (long double)0)), double>::value), "");
1346 static_assert((std::is_same<decltype(std::nexttoward((unsigned long)0, (long double)0)), double>::value), "");
1347 static_assert((std::is_same<decltype(std::nexttoward((long long)0, (long double)0)), double>::value), "");
1348 static_assert((std::is_same<decltype(std::nexttoward((unsigned long long)0, (long double)0)), double>::value), "");
1349 static_assert((std::is_same<decltype(std::nexttoward((double)0, (long double)0)), double>::value), "");
1350 static_assert((std::is_same<decltype(std::nexttoward((long double)0, (long double)0)), long double>::value), "");
1351 static_assert((std::is_same<decltype(std::nexttowardf(0, (long double)0)), float>::value), "");
1352 static_assert((std::is_same<decltype(std::nexttowardl(0, (long double)0)), long double>::value), "");
1353 static_assert((std::is_same<decltype(nexttoward(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1354 assert(std::nexttoward(0, 1) == hexfloat<double>(0x1, 0, -1074));
1355 }
1356
test_remainder()1357 void test_remainder()
1358 {
1359 static_assert((std::is_same<decltype(std::remainder((float)0, (float)0)), float>::value), "");
1360 static_assert((std::is_same<decltype(std::remainder((bool)0, (float)0)), double>::value), "");
1361 static_assert((std::is_same<decltype(std::remainder((unsigned short)0, (double)0)), double>::value), "");
1362 static_assert((std::is_same<decltype(std::remainder((int)0, (long double)0)), long double>::value), "");
1363 static_assert((std::is_same<decltype(std::remainder((float)0, (unsigned int)0)), double>::value), "");
1364 static_assert((std::is_same<decltype(std::remainder((double)0, (long)0)), double>::value), "");
1365 static_assert((std::is_same<decltype(std::remainder((long double)0, (unsigned long)0)), long double>::value), "");
1366 static_assert((std::is_same<decltype(std::remainder((int)0, (long long)0)), double>::value), "");
1367 static_assert((std::is_same<decltype(std::remainder((int)0, (unsigned long long)0)), double>::value), "");
1368 static_assert((std::is_same<decltype(std::remainder((double)0, (double)0)), double>::value), "");
1369 static_assert((std::is_same<decltype(std::remainder((long double)0, (long double)0)), long double>::value), "");
1370 static_assert((std::is_same<decltype(std::remainder((float)0, (double)0)), double>::value), "");
1371 static_assert((std::is_same<decltype(std::remainder((float)0, (long double)0)), long double>::value), "");
1372 static_assert((std::is_same<decltype(std::remainder((double)0, (long double)0)), long double>::value), "");
1373 static_assert((std::is_same<decltype(std::remainderf(0,0)), float>::value), "");
1374 static_assert((std::is_same<decltype(std::remainderl(0,0)), long double>::value), "");
1375 static_assert((std::is_same<decltype(std::remainder((int)0, (int)0)), double>::value), "");
1376 static_assert((std::is_same<decltype(remainder(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1377 assert(std::remainder(0.5,1) == 0.5);
1378 }
1379
test_remquo()1380 void test_remquo()
1381 {
1382 int ip;
1383 static_assert((std::is_same<decltype(std::remquo((float)0, (float)0, &ip)), float>::value), "");
1384 static_assert((std::is_same<decltype(std::remquo((bool)0, (float)0, &ip)), double>::value), "");
1385 static_assert((std::is_same<decltype(std::remquo((unsigned short)0, (double)0, &ip)), double>::value), "");
1386 static_assert((std::is_same<decltype(std::remquo((int)0, (long double)0, &ip)), long double>::value), "");
1387 static_assert((std::is_same<decltype(std::remquo((float)0, (unsigned int)0, &ip)), double>::value), "");
1388 static_assert((std::is_same<decltype(std::remquo((double)0, (long)0, &ip)), double>::value), "");
1389 static_assert((std::is_same<decltype(std::remquo((long double)0, (unsigned long)0, &ip)), long double>::value), "");
1390 static_assert((std::is_same<decltype(std::remquo((int)0, (long long)0, &ip)), double>::value), "");
1391 static_assert((std::is_same<decltype(std::remquo((int)0, (unsigned long long)0, &ip)), double>::value), "");
1392 static_assert((std::is_same<decltype(std::remquo((double)0, (double)0, &ip)), double>::value), "");
1393 static_assert((std::is_same<decltype(std::remquo((long double)0, (long double)0, &ip)), long double>::value), "");
1394 static_assert((std::is_same<decltype(std::remquo((float)0, (double)0, &ip)), double>::value), "");
1395 static_assert((std::is_same<decltype(std::remquo((float)0, (long double)0, &ip)), long double>::value), "");
1396 static_assert((std::is_same<decltype(std::remquo((double)0, (long double)0, &ip)), long double>::value), "");
1397 static_assert((std::is_same<decltype(std::remquof(0,0, &ip)), float>::value), "");
1398 static_assert((std::is_same<decltype(std::remquol(0,0, &ip)), long double>::value), "");
1399 static_assert((std::is_same<decltype(std::remquo((int)0, (int)0, &ip)), double>::value), "");
1400 static_assert((std::is_same<decltype(remquo(Ambiguous(), Ambiguous(), &ip)), Ambiguous>::value), "");
1401 assert(std::remquo(0.5,1, &ip) == 0.5);
1402 }
1403
test_rint()1404 void test_rint()
1405 {
1406 static_assert((std::is_same<decltype(std::rint((float)0)), float>::value), "");
1407 static_assert((std::is_same<decltype(std::rint((bool)0)), double>::value), "");
1408 static_assert((std::is_same<decltype(std::rint((unsigned short)0)), double>::value), "");
1409 static_assert((std::is_same<decltype(std::rint((int)0)), double>::value), "");
1410 static_assert((std::is_same<decltype(std::rint((unsigned int)0)), double>::value), "");
1411 static_assert((std::is_same<decltype(std::rint((long)0)), double>::value), "");
1412 static_assert((std::is_same<decltype(std::rint((unsigned long)0)), double>::value), "");
1413 static_assert((std::is_same<decltype(std::rint((long long)0)), double>::value), "");
1414 static_assert((std::is_same<decltype(std::rint((unsigned long long)0)), double>::value), "");
1415 static_assert((std::is_same<decltype(std::rint((double)0)), double>::value), "");
1416 static_assert((std::is_same<decltype(std::rint((long double)0)), long double>::value), "");
1417 static_assert((std::is_same<decltype(std::rintf(0)), float>::value), "");
1418 static_assert((std::is_same<decltype(std::rintl(0)), long double>::value), "");
1419 static_assert((std::is_same<decltype(rint(Ambiguous())), Ambiguous>::value), "");
1420 assert(std::rint(1) == 1);
1421 }
1422
test_round()1423 void test_round()
1424 {
1425 static_assert((std::is_same<decltype(std::round((float)0)), float>::value), "");
1426 static_assert((std::is_same<decltype(std::round((bool)0)), double>::value), "");
1427 static_assert((std::is_same<decltype(std::round((unsigned short)0)), double>::value), "");
1428 static_assert((std::is_same<decltype(std::round((int)0)), double>::value), "");
1429 static_assert((std::is_same<decltype(std::round((unsigned int)0)), double>::value), "");
1430 static_assert((std::is_same<decltype(std::round((long)0)), double>::value), "");
1431 static_assert((std::is_same<decltype(std::round((unsigned long)0)), double>::value), "");
1432 static_assert((std::is_same<decltype(std::round((long long)0)), double>::value), "");
1433 static_assert((std::is_same<decltype(std::round((unsigned long long)0)), double>::value), "");
1434 static_assert((std::is_same<decltype(std::round((double)0)), double>::value), "");
1435 static_assert((std::is_same<decltype(std::round((long double)0)), long double>::value), "");
1436 static_assert((std::is_same<decltype(std::roundf(0)), float>::value), "");
1437 static_assert((std::is_same<decltype(std::roundl(0)), long double>::value), "");
1438 static_assert((std::is_same<decltype(round(Ambiguous())), Ambiguous>::value), "");
1439 assert(std::round(1) == 1);
1440 }
1441
test_scalbln()1442 void test_scalbln()
1443 {
1444 static_assert((std::is_same<decltype(std::scalbln((float)0, (long)0)), float>::value), "");
1445 static_assert((std::is_same<decltype(std::scalbln((bool)0, (long)0)), double>::value), "");
1446 static_assert((std::is_same<decltype(std::scalbln((unsigned short)0, (long)0)), double>::value), "");
1447 static_assert((std::is_same<decltype(std::scalbln((int)0, (long)0)), double>::value), "");
1448 static_assert((std::is_same<decltype(std::scalbln((unsigned int)0, (long)0)), double>::value), "");
1449 static_assert((std::is_same<decltype(std::scalbln((long)0, (long)0)), double>::value), "");
1450 static_assert((std::is_same<decltype(std::scalbln((unsigned long)0, (long)0)), double>::value), "");
1451 static_assert((std::is_same<decltype(std::scalbln((long long)0, (long)0)), double>::value), "");
1452 static_assert((std::is_same<decltype(std::scalbln((unsigned long long)0, (long)0)), double>::value), "");
1453 static_assert((std::is_same<decltype(std::scalbln((double)0, (long)0)), double>::value), "");
1454 static_assert((std::is_same<decltype(std::scalbln((long double)0, (long)0)), long double>::value), "");
1455 static_assert((std::is_same<decltype(std::scalblnf(0, (long)0)), float>::value), "");
1456 static_assert((std::is_same<decltype(std::scalblnl(0, (long)0)), long double>::value), "");
1457 static_assert((std::is_same<decltype(scalbln(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1458 assert(std::scalbln(1, 1) == 2);
1459 }
1460
test_scalbn()1461 void test_scalbn()
1462 {
1463 static_assert((std::is_same<decltype(std::scalbn((float)0, (int)0)), float>::value), "");
1464 static_assert((std::is_same<decltype(std::scalbn((bool)0, (int)0)), double>::value), "");
1465 static_assert((std::is_same<decltype(std::scalbn((unsigned short)0, (int)0)), double>::value), "");
1466 static_assert((std::is_same<decltype(std::scalbn((int)0, (int)0)), double>::value), "");
1467 static_assert((std::is_same<decltype(std::scalbn((unsigned int)0, (int)0)), double>::value), "");
1468 static_assert((std::is_same<decltype(std::scalbn((long)0, (int)0)), double>::value), "");
1469 static_assert((std::is_same<decltype(std::scalbn((unsigned long)0, (int)0)), double>::value), "");
1470 static_assert((std::is_same<decltype(std::scalbn((long long)0, (int)0)), double>::value), "");
1471 static_assert((std::is_same<decltype(std::scalbn((unsigned long long)0, (int)0)), double>::value), "");
1472 static_assert((std::is_same<decltype(std::scalbn((double)0, (int)0)), double>::value), "");
1473 static_assert((std::is_same<decltype(std::scalbn((long double)0, (int)0)), long double>::value), "");
1474 static_assert((std::is_same<decltype(std::scalbnf(0, (int)0)), float>::value), "");
1475 static_assert((std::is_same<decltype(std::scalbnl(0, (int)0)), long double>::value), "");
1476 static_assert((std::is_same<decltype(scalbn(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1477 assert(std::scalbn(1, 1) == 2);
1478 }
1479
test_tgamma()1480 void test_tgamma()
1481 {
1482 static_assert((std::is_same<decltype(std::tgamma((float)0)), float>::value), "");
1483 static_assert((std::is_same<decltype(std::tgamma((bool)0)), double>::value), "");
1484 static_assert((std::is_same<decltype(std::tgamma((unsigned short)0)), double>::value), "");
1485 static_assert((std::is_same<decltype(std::tgamma((int)0)), double>::value), "");
1486 static_assert((std::is_same<decltype(std::tgamma((unsigned int)0)), double>::value), "");
1487 static_assert((std::is_same<decltype(std::tgamma((long)0)), double>::value), "");
1488 static_assert((std::is_same<decltype(std::tgamma((unsigned long)0)), double>::value), "");
1489 static_assert((std::is_same<decltype(std::tgamma((long long)0)), double>::value), "");
1490 static_assert((std::is_same<decltype(std::tgamma((unsigned long long)0)), double>::value), "");
1491 static_assert((std::is_same<decltype(std::tgamma((double)0)), double>::value), "");
1492 static_assert((std::is_same<decltype(std::tgamma((long double)0)), long double>::value), "");
1493 static_assert((std::is_same<decltype(std::tgammaf(0)), float>::value), "");
1494 static_assert((std::is_same<decltype(std::tgammal(0)), long double>::value), "");
1495 static_assert((std::is_same<decltype(tgamma(Ambiguous())), Ambiguous>::value), "");
1496 assert(std::tgamma(1) == 1);
1497 }
1498
test_trunc()1499 void test_trunc()
1500 {
1501 static_assert((std::is_same<decltype(std::trunc((float)0)), float>::value), "");
1502 static_assert((std::is_same<decltype(std::trunc((bool)0)), double>::value), "");
1503 static_assert((std::is_same<decltype(std::trunc((unsigned short)0)), double>::value), "");
1504 static_assert((std::is_same<decltype(std::trunc((int)0)), double>::value), "");
1505 static_assert((std::is_same<decltype(std::trunc((unsigned int)0)), double>::value), "");
1506 static_assert((std::is_same<decltype(std::trunc((long)0)), double>::value), "");
1507 static_assert((std::is_same<decltype(std::trunc((unsigned long)0)), double>::value), "");
1508 static_assert((std::is_same<decltype(std::trunc((long long)0)), double>::value), "");
1509 static_assert((std::is_same<decltype(std::trunc((unsigned long long)0)), double>::value), "");
1510 static_assert((std::is_same<decltype(std::trunc((double)0)), double>::value), "");
1511 static_assert((std::is_same<decltype(std::trunc((long double)0)), long double>::value), "");
1512 static_assert((std::is_same<decltype(std::truncf(0)), float>::value), "");
1513 static_assert((std::is_same<decltype(std::truncl(0)), long double>::value), "");
1514 static_assert((std::is_same<decltype(trunc(Ambiguous())), Ambiguous>::value), "");
1515 assert(std::trunc(1) == 1);
1516 }
1517
main()1518 int main()
1519 {
1520 test_abs();
1521 test_acos();
1522 test_asin();
1523 test_atan();
1524 test_atan2();
1525 test_ceil();
1526 test_cos();
1527 test_cosh();
1528 test_exp();
1529 test_fabs();
1530 test_floor();
1531 test_fmod();
1532 test_frexp();
1533 test_ldexp();
1534 test_log();
1535 test_log10();
1536 test_modf();
1537 test_pow();
1538 test_sin();
1539 test_sinh();
1540 test_sqrt();
1541 test_tan();
1542 test_tanh();
1543 test_signbit();
1544 test_fpclassify();
1545 test_isfinite();
1546 test_isnormal();
1547 test_isgreater();
1548 test_isgreaterequal();
1549 test_isinf();
1550 test_isless();
1551 test_islessequal();
1552 test_islessgreater();
1553 test_isnan();
1554 test_isunordered();
1555 test_acosh();
1556 test_asinh();
1557 test_atanh();
1558 test_cbrt();
1559 test_copysign();
1560 test_erf();
1561 test_erfc();
1562 test_exp2();
1563 test_expm1();
1564 test_fdim();
1565 test_fma();
1566 test_fmax();
1567 test_fmin();
1568 test_hypot();
1569 test_ilogb();
1570 test_lgamma();
1571 test_llrint();
1572 test_llround();
1573 test_log1p();
1574 test_log2();
1575 test_logb();
1576 test_lrint();
1577 test_lround();
1578 test_nan();
1579 test_nearbyint();
1580 test_nextafter();
1581 test_nexttoward();
1582 test_remainder();
1583 test_remquo();
1584 test_rint();
1585 test_round();
1586 test_scalbln();
1587 test_scalbn();
1588 test_tgamma();
1589 test_trunc();
1590 }
1591