1 /*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <float.h>
18 #include <math.h>
19
20 #if !defined(__LP64__)
21
22 // The BSD "long double" functions are broken when sizeof(long double) == sizeof(double).
23 // Android works around those cases by replacing the broken functions with our own trivial stubs
24 // that call the regular "double" function.
25
copysignl(long double a1,long double a2)26 long double copysignl(long double a1, long double a2) { return copysign(a1, a2); }
fmaxl(long double a1,long double a2)27 long double fmaxl(long double a1, long double a2) { return fmax(a1, a2); }
fmodl(long double a1,long double a2)28 long double fmodl(long double a1, long double a2) { return fmod(a1, a2); }
fminl(long double a1,long double a2)29 long double fminl(long double a1, long double a2) { return fmin(a1, a2); }
ilogbl(long double a1)30 int ilogbl(long double a1) { return ilogb(a1); }
llrintl(long double a1)31 long long llrintl(long double a1) { return llrint(a1); }
32 #if !defined(__i386__) // x86 has an assembler lrint/lrintl.
lrintl(long double a1)33 long lrintl(long double a1) { return lrint(a1); }
34 #endif
llroundl(long double a1)35 long long llroundl(long double a1) { return llround(a1); }
lroundl(long double a1)36 long lroundl(long double a1) { return lround(a1); }
modfl(long double a1,long double * a2)37 long double modfl(long double a1, long double* a2) { double i; double f = modf(a1, &i); *a2 = i; return f; }
nexttowardf(float a1,long double a2)38 float nexttowardf(float a1, long double a2) { return nextafterf(a1, (float) a2); }
roundl(long double a1)39 long double roundl(long double a1) { return round(a1); }
40
41 #endif // __LP64__
42
43 // FreeBSD doesn't have ld128 implementations of powl or tgammal, so both LP32 and LP64 need these.
powl(long double x,long double y)44 long double powl(long double x, long double y) { return pow(x, y); }
tgammal(long double x)45 long double tgammal(long double x) { return tgamma(x); }
46