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| D | s_tanhf.c | 23 static const float one=1.0, two=2.0, tiny = 1.0e-30, huge = 1.0e30; variable
35 if (jx>=0) return one/x+one; /* tanh(+-inf)=+-1 */ in tanhf()
36 else return one/x-one; /* tanh(NaN) = NaN */ in tanhf()
42 if(huge+x>one) return x; /* tanh(tiny) = tiny with inexact */ in tanhf()
46 z = one - two/(t+two); in tanhf()
53 z = one - tiny; /* raise inexact flag */ in tanhf()
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| D | s_tanh.c | 44 static const double one=1.0, two=2.0, tiny = 1.0e-300; variable
58 if (jx>=0) return one/x+one; /* tanh(+-inf)=+-1 */ in tanh()
59 else return one/x-one; /* tanh(NaN) = NaN */ in tanh()
65 return x*(one+x); /* tanh(small) = small */ in tanh()
68 z = one - two/(t+two); in tanh()
75 z = one - tiny; /* raised inexact flag */ in tanh()
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| D | s_asinh.c | 32 one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */ variable
45 if(huge+x>one) return x; /* return x inexact except 0 */ in asinh()
51 w = __ieee754_log(2.0*t+one/(__ieee754_sqrt(x*x+one)+t)); in asinh()
54 w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t))); in asinh()
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| D | s_asinhf.c | 24 one = 1.0000000000e+00, /* 0x3F800000 */ variable
37 if(huge+x>one) return x; /* return x inexact except 0 */ in asinhf()
43 w = __ieee754_logf((float)2.0*t+one/(__ieee754_sqrtf(x*x+one)+t)); in asinhf()
46 w =log1pf(fabsf(x)+t/(one+__ieee754_sqrtf(one+t))); in asinhf()
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| D | e_acoshf.c | 24 one = 1.0, variable
44 return __ieee754_logf((float)2.0*x-one/(x+__ieee754_sqrtf(t-one))); in __ieee754_acoshf()
46 t = x-one; in __ieee754_acoshf()
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| D | e_acosh.c | 37 one = 1.0, variable
58 return __ieee754_log(2.0*x-one/(x+sqrt(t-one))); in __ieee754_acosh()
60 t = x-one; in __ieee754_acosh()
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| D | s_erff.c | 26 one = 1.0000000000e+00, /* 0x3F800000 */ variable
107 return (float)(1-i)+one/x; /* erf(+-inf)=+-1 */ in erff()
119 s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); in erff()
124 s = fabsf(x)-one; in erff()
126 Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); in erff()
130 if(hx>=0) return one-tiny; else return tiny-one; in erff()
133 s = one/(x*x); in erff()
137 S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( in erff()
142 S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( in erff()
148 if(hx>=0) return one-r/x; else return r/x-one; in erff()
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| D | s_erf.c | 118 one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */ variable
199 return (double)(1-i)+one/x; /* erf(+-inf)=+-1 */ in erf()
210 s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); in erf()
215 s = fabs(x)-one; in erf()
217 Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); in erf()
221 if(hx>=0) return one-tiny; else return tiny-one; in erf()
224 s = one/(x*x); in erf()
228 S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( in erf()
233 S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( in erf()
239 if(hx>=0) return one-r/x; else return r/x-one; in erf()
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| D | s_atanf.c | 52 one = 1.0, variable
70 if(huge+x>one) return x; /* raise inexact */ in atanf()
77 id = 0; x = ((float)2.0*x-one)/((float)2.0+x); in atanf()
79 id = 1; x = (x-one)/(x+one); in atanf()
83 id = 2; x = (x-(float)1.5)/(one+(float)1.5*x); in atanf()
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| D | e_coshf.c | 23 static const float one = 1.0, half=0.5, huge = 1.0e30; variable
40 w = one+t; in __ieee754_coshf()
41 if (ix<0x39800000) return one; /* cosh(tiny) = 1 */ in __ieee754_coshf()
42 return one+(t*t)/(w+w); in __ieee754_coshf()
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| D | e_sinhf.c | 23 static const float one = 1.0, shuge = 1.0e37; variable
42 if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */ in __ieee754_sinhf()
44 if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one)); in __ieee754_sinhf()
45 return h*(t+t/(t+one)); in __ieee754_sinhf()
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| D | s_atan.c | 69 one = 1.0, variable
90 if(huge+x>one) return x; /* raise inexact */ in atan()
97 id = 0; x = (2.0*x-one)/(2.0+x); in atan()
99 id = 1; x = (x-one)/(x+one); in atan()
103 id = 2; x = (x-1.5)/(one+1.5*x); in atan()
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| D | e_sqrtf.c | 23 static const float one = 1.0, tiny=1.0e-30; variable
76 z = one-tiny; /* trigger inexact flag */ in __ieee754_sqrtf()
77 if (z>=one) { in __ieee754_sqrtf()
78 z = one+tiny; in __ieee754_sqrtf()
79 if (z>one) in __ieee754_sqrtf()
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| D | e_j0f.c | 28 one = 1.0, variable
51 if(ix>=0x7f800000) return one/(x*x); in __ieee754_j0f()
75 if(huge+x>one) { /* raise inexact if x != 0 */ in __ieee754_j0f()
76 if(ix<0x32000000) return one; /* |x|<2**-27 */ in __ieee754_j0f()
77 else return one - (float)0.25*x*x; in __ieee754_j0f()
82 s = one+z*(S01+z*(S02+z*(S03+z*S04))); in __ieee754_j0f()
84 return one + z*((float)-0.25+(r/s)); in __ieee754_j0f()
87 return((one+u)*(one-u)+z*(r/s)); in __ieee754_j0f()
113 if(ix>=0x7f800000) return one/(x+x*x); in __ieee754_y0f()
114 if(ix==0) return -one/zero; in __ieee754_y0f()
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| D | e_j0.c | 70 one = 1.0, variable
93 if(ix>=0x7ff00000) return one/(x*x); in __ieee754_j0()
117 if(huge+x>one) { /* raise inexact if x != 0 */ in __ieee754_j0()
118 if(ix<0x3e400000) return one; /* |x|<2**-27 */ in __ieee754_j0()
119 else return one - 0.25*x*x; in __ieee754_j0()
124 s = one+z*(S01+z*(S02+z*(S03+z*S04))); in __ieee754_j0()
126 return one + z*(-0.25+(r/s)); in __ieee754_j0()
129 return((one+u)*(one-u)+z*(r/s)); in __ieee754_j0()
155 if(ix>=0x7ff00000) return one/(x+x*x); in __ieee754_y0()
156 if((ix|lx)==0) return -one/zero; in __ieee754_y0()
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| D | e_sinh.c | 39 static const double one = 1.0, shuge = 1.0e307; variable
60 if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */ in __ieee754_sinh()
62 if(ix<0x3ff00000) return h*(2.0*t-t*t/(t+one)); in __ieee754_sinh()
63 return h*(t+t/(t+one)); in __ieee754_sinh()
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| D | k_cos.c | 61 one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */ variable
77 w = one-hz; in __kernel_cos()
78 return w + (((one-w)-hz) + (z*r-x*y)); in __kernel_cos()
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| D | s_expm1.c | 116 one = 1.0, variable
156 return tiny-one; /* return -1 */ in expm1()
185 r1 = one+hxs*(Q1+hxs*(Q2+hxs*(Q3+hxs*(Q4+hxs*Q5)))); in expm1()
195 else return one+2.0*(x-e); in expm1()
198 y = one-(e-x); in expm1()
201 return y-one; in expm1()
203 t = one; in expm1()
214 y += one; in expm1()
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| D | s_expm1f.c | 24 one = 1.0, variable
61 return tiny-one; /* return -1 */ in expm1f()
90 r1 = one+hxs*(Q1+hxs*(Q2+hxs*(Q3+hxs*(Q4+hxs*Q5)))); in expm1f()
100 else return one+(float)2.0*(x-e); in expm1f()
103 y = one-(e-x); in expm1f()
106 return y-one; in expm1f()
108 t = one; in expm1f()
119 y += one; in expm1f()
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| D | e_atanhf.c | 23 static const float one = 1.0, huge = 1e30; variable
42 t = (float)0.5*log1pf(t+t*x/(one-x)); in __ieee754_atanhf()
44 t = (float)0.5*log1pf((x+x)/(one-x)); in __ieee754_atanhf()
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| D | e_atanh.c | 40 static const double one = 1.0, huge = 1e300; variable
59 t = 0.5*log1p(t+t*x/(one-x)); in __ieee754_atanh()
61 t = 0.5*log1p((x+x)/(one-x)); in __ieee754_atanh()
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| D | e_j1.c | 70 one = 1.0, variable
94 if(ix>=0x7ff00000) return one/x; in __ieee754_j1()
119 if(huge+x>one) return 0.5*x;/* inexact if x!=0 necessary */ in __ieee754_j1()
123 s = one+z*(s01+z*(s02+z*(s03+z*(s04+z*s05)))); in __ieee754_j1()
152 if(ix>=0x7ff00000) return one/(x+x*x); in __ieee754_y1()
153 if((ix|lx)==0) return -one/zero; in __ieee754_y1()
188 v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4])))); in __ieee754_y1()
189 return(x*(u/v) + tpi*(__ieee754_j1(x)*__ieee754_log(x)-one/x)); in __ieee754_y1()
277 z = one/(x*x); in pone()
279 s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4])))); in pone()
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| D | e_j1f.c | 28 one = 1.0, variable
52 if(ix>=0x7f800000) return one/x; in __ieee754_j1f()
77 if(huge+x>one) return (float)0.5*x;/* inexact if x!=0 necessary */ in __ieee754_j1f()
81 s = one+z*(s01+z*(s02+z*(s03+z*(s04+z*s05)))); in __ieee754_j1f()
110 if(ix>=0x7f800000) return one/(x+x*x); in __ieee754_y1f()
111 if(ix==0) return -one/zero; in __ieee754_y1f()
146 v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4])))); in __ieee754_y1f()
147 return(x*(u/v) + tpi*(__ieee754_j1f(x)*__ieee754_logf(x)-one/x)); in __ieee754_y1f()
235 z = one/(x*x); in ponef()
237 s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4])))); in ponef()
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| D | e_lgammaf_r.c | 26 one = 1.0000000000e+00, /* 0x3f800000 */ variable
129 case 4: y = __kernel_sindf(pi*(one-y)); break; in sin_pif()
150 if(ix==0) return one/zero; in __ieee754_lgammaf_r()
159 return one/zero; in __ieee754_lgammaf_r()
161 if(t==zero) return one/zero; /* -integer */ in __ieee754_lgammaf_r()
173 if(ix>=0x3f3b4a20) {y = one-x; i= 0;} in __ieee754_lgammaf_r()
174 else if(ix>=0x3e6d3308) {y= x-(tc-one); i=1;} in __ieee754_lgammaf_r()
180 else {y=x-one;i=2;} in __ieee754_lgammaf_r()
199 p2 = one+y*(v1+y*(v2+y*(v3+y*(v4+y*v5)))); in __ieee754_lgammaf_r()
208 q = one+y*(r1+y*(r2+y*(r3+y*(r4+y*(r5+y*r6))))); in __ieee754_lgammaf_r()
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| D | e_expf.c | 24 one = 1.0, variable
75 if(huge+x>one) return one+x;/* trigger inexact */ in __ieee754_expf()
82 if(k==0) return one-((x*c)/(c-(float)2.0)-x); in __ieee754_expf()
83 else y = one-((lo-(x*c)/((float)2.0-c))-hi); in __ieee754_expf()
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