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| author | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-14 00:54:57 +0000 |
| commit | abfbdde177c3a7155070dda1b2cdc8292054cc26 (patch) | |
| tree | e021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_cosf.c | |
| parent | 86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff) | |
| download | glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.xz glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.zip | |
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_cosf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_cosf.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/sysdeps/libm-ieee754/s_cosf.c b/sysdeps/libm-ieee754/s_cosf.c deleted file mode 100644 index 86c59d440c..0000000000 --- a/sysdeps/libm-ieee754/s_cosf.c +++ /dev/null @@ -1,60 +0,0 @@ -/* s_cosf.c -- float version of s_cos.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: s_cosf.c,v 1.4 1995/05/10 20:47:03 jtc Exp $"; -#endif - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ -static const float one=1.0; -#else -static float one=1.0; -#endif - -#ifdef __STDC__ - float __cosf(float x) -#else - float __cosf(x) - float x; -#endif -{ - float y[2],z=0.0; - int32_t n,ix; - - GET_FLOAT_WORD(ix,x); - - /* |x| ~< pi/4 */ - ix &= 0x7fffffff; - if(ix <= 0x3f490fd8) return __kernel_cosf(x,z); - - /* cos(Inf or NaN) is NaN */ - else if (ix>=0x7f800000) return x-x; - - /* argument reduction needed */ - else { - n = __ieee754_rem_pio2f(x,y); - switch(n&3) { - case 0: return __kernel_cosf(y[0],y[1]); - case 1: return -__kernel_sinf(y[0],y[1],1); - case 2: return -__kernel_cosf(y[0],y[1]); - default: - return __kernel_sinf(y[0],y[1],1); - } - } -} -weak_alias (__cosf, cosf) |