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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-12 11:27:51 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-12 11:27:51 -0400 |
| commit | 0ac5ae2335292908f39031b1ea9fe8edce433c0f (patch) | |
| tree | f9d26c8abc0de39d18d4c13e70f6022cdc6b461f /sysdeps/ieee754/flt-32/e_acoshf.c | |
| parent | a843a204a3e8a0dd53584dad3668771abaec84ac (diff) | |
| download | glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.gz | |
Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_acoshf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_acoshf.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sysdeps/ieee754/flt-32/e_acoshf.c b/sysdeps/ieee754/flt-32/e_acoshf.c index c607f72117..db8f6ec462 100644 --- a/sysdeps/ieee754/flt-32/e_acoshf.c +++ b/sysdeps/ieee754/flt-32/e_acoshf.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -21,9 +21,9 @@ static char rcsid[] = "$NetBSD: e_acoshf.c,v 1.5 1995/05/12 04:57:20 jtc Exp $"; #include "math_private.h" #ifdef __STDC__ -static const float +static const float #else -static float +static float #endif one = 1.0, ln2 = 6.9314718246e-01; /* 0x3f317218 */ @@ -34,7 +34,7 @@ ln2 = 6.9314718246e-01; /* 0x3f317218 */ float __ieee754_acoshf(x) float x; #endif -{ +{ float t; int32_t hx; GET_FLOAT_WORD(hx,x); @@ -42,8 +42,8 @@ ln2 = 6.9314718246e-01; /* 0x3f317218 */ return (x-x)/(x-x); } else if(hx >=0x4d800000) { /* x > 2**28 */ if(hx >=0x7f800000) { /* x is inf of NaN */ - return x+x; - } else + return x+x; + } else return __ieee754_logf(x)+ln2; /* acosh(huge)=log(2x) */ } else if (hx==0x3f800000) { return 0.0; /* acosh(1) = 0 */ @@ -55,3 +55,4 @@ ln2 = 6.9314718246e-01; /* 0x3f317218 */ return __log1pf(t+__sqrtf((float)2.0*t+t*t)); } } +strong_alias (__ieee754_acoshf, __acoshf_finite) |