diff options
Diffstat (limited to 'sysdeps/libm-ieee754/k_sinf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/k_sinf.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/sysdeps/libm-ieee754/k_sinf.c b/sysdeps/libm-ieee754/k_sinf.c deleted file mode 100644 index 4fec15e830..0000000000 --- a/sysdeps/libm-ieee754/k_sinf.c +++ /dev/null @@ -1,54 +0,0 @@ -/* k_sinf.c -- float version of k_sin.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: k_sinf.c,v 1.4 1995/05/10 20:46:33 jtc Exp $"; -#endif - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ -static const float -#else -static float -#endif -half = 5.0000000000e-01,/* 0x3f000000 */ -S1 = -1.6666667163e-01, /* 0xbe2aaaab */ -S2 = 8.3333337680e-03, /* 0x3c088889 */ -S3 = -1.9841270114e-04, /* 0xb9500d01 */ -S4 = 2.7557314297e-06, /* 0x3638ef1b */ -S5 = -2.5050759689e-08, /* 0xb2d72f34 */ -S6 = 1.5896910177e-10; /* 0x2f2ec9d3 */ - -#ifdef __STDC__ - float __kernel_sinf(float x, float y, int iy) -#else - float __kernel_sinf(x, y, iy) - float x,y; int iy; /* iy=0 if y is zero */ -#endif -{ - float z,r,v; - int32_t ix; - GET_FLOAT_WORD(ix,x); - ix &= 0x7fffffff; /* high word of x */ - if(ix<0x32000000) /* |x| < 2**-27 */ - {if((int)x==0) return x;} /* generate inexact */ - z = x*x; - v = z*x; - r = S2+z*(S3+z*(S4+z*(S5+z*S6))); - if(iy==0) return x+v*(S1+z*r); - else return x-((z*(half*y-v*r)-y)-v*S1); -} |