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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_acosf.c | |
| parent | a843a204a3e8a0dd53584dad3668771abaec84ac (diff) | |
| download | glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.gz glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.xz glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.zip | |
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_acosf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_acosf.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/sysdeps/ieee754/flt-32/e_acosf.c b/sysdeps/ieee754/flt-32/e_acosf.c index 0d85c4210d..a258e2f918 100644 --- a/sysdeps/ieee754/flt-32/e_acosf.c +++ b/sysdeps/ieee754/flt-32/e_acosf.c @@ -8,23 +8,15 @@ * * 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. * ==================================================== */ -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: e_acosf.c,v 1.5 1995/05/12 04:57:16 jtc Exp $"; -#endif - #include "math.h" #include "math_private.h" -#ifdef __STDC__ -static const float -#else -static float -#endif +static const float one = 1.0000000000e+00, /* 0x3F800000 */ pi = 3.1415925026e+00, /* 0x40490fda */ pio2_hi = 1.5707962513e+00, /* 0x3fc90fda */ @@ -40,12 +32,8 @@ qS2 = 2.0209457874e+00, /* 0x4001572d */ qS3 = -6.8828397989e-01, /* 0xbf303361 */ qS4 = 7.7038154006e-02; /* 0x3d9dc62e */ -#ifdef __STDC__ - float __ieee754_acosf(float x) -#else - float __ieee754_acosf(x) - float x; -#endif +float +__ieee754_acosf(float x) { float z,p,q,r,w,s,c,df; int32_t hx,ix; @@ -87,3 +75,4 @@ qS4 = 7.7038154006e-02; /* 0x3d9dc62e */ return (float)2.0*(df+w); } } +strong_alias (__ieee754_acosf, __acosf_finite) |