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-rw-r--r--libm/src/s_sinf.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/libm/src/s_sinf.c b/libm/src/s_sinf.c
deleted file mode 100644
index 9dc3cae..0000000
--- a/libm/src/s_sinf.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* s_sinf.c -- float version of s_sin.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- * Optimized by Bruce D. Evans.
- */
-
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-#ifndef lint
-static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_sinf.c,v 1.14 2005/11/28 06:15:10 bde Exp $";
-#endif
-
-#include "math.h"
-#define INLINE_KERNEL_COSDF
-#define INLINE_KERNEL_SINDF
-#include "math_private.h"
-#include "k_cosf.c"
-#include "k_sinf.c"
-
-/* Small multiples of pi/2 rounded to double precision. */
-static const double
-s1pio2 = 1*M_PI_2, /* 0x3FF921FB, 0x54442D18 */
-s2pio2 = 2*M_PI_2, /* 0x400921FB, 0x54442D18 */
-s3pio2 = 3*M_PI_2, /* 0x4012D97C, 0x7F3321D2 */
-s4pio2 = 4*M_PI_2; /* 0x401921FB, 0x54442D18 */
-
-float
-sinf(float x)
-{
- float y[2];
- int32_t n, hx, ix;
-
- GET_FLOAT_WORD(hx,x);
- ix = hx & 0x7fffffff;
-
- if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */
- if(ix<0x39800000) /* |x| < 2**-12 */
- if(((int)x)==0) return x; /* x with inexact if x != 0 */
- return __kernel_sindf(x);
- }
- if(ix<=0x407b53d1) { /* |x| ~<= 5*pi/4 */
- if(ix<=0x4016cbe3) { /* |x| ~<= 3pi/4 */
- if(hx>0)
- return __kernel_cosdf(x - s1pio2);
- else
- return -__kernel_cosdf(x + s1pio2);
- } else
- return __kernel_sindf((hx > 0 ? s2pio2 : -s2pio2) - x);
- }
- if(ix<=0x40e231d5) { /* |x| ~<= 9*pi/4 */
- if(ix<=0x40afeddf) { /* |x| ~<= 7*pi/4 */
- if(hx>0)
- return -__kernel_cosdf(x - s3pio2);
- else
- return __kernel_cosdf(x + s3pio2);
- } else
- return __kernel_sindf(x + (hx > 0 ? -s4pio2 : s4pio2));
- }
-
- /* sin(Inf or NaN) is NaN */
- else if (ix>=0x7f800000) return x-x;
-
- /* general argument reduction needed */
- else {
- n = __ieee754_rem_pio2f(x,y);
- switch(n&3) {
- case 0: return __kernel_sindf((double)y[0]+y[1]);
- case 1: return __kernel_cosdf((double)y[0]+y[1]);
- case 2: return __kernel_sindf(-(double)y[0]-y[1]);
- default:
- return -__kernel_cosdf((double)y[0]+y[1]);
- }
- }
-}