Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos

[fw/altos] / src / math / sf_sin.c

diff --git a/src/math/sf_sin.c b/src/math/sf_sin.c
deleted file mode 100644 (file)
index da81845..0000000
--- a/src/math/sf_sin.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* sf_sin.c -- float version of s_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.
- * ====================================================
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
-       float sinf(float x)
-#else
-       float sinf(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_sinf(x,z,0);
-
-    /* sin(Inf or NaN) is NaN */
-       else if (!FLT_UWORD_IS_FINITE(ix)) return x-x;
-
-    /* argument reduction needed */
-       else {
-           n = __ieee754_rem_pio2f(x,y);
-           switch(n&3) {
-               case 0: return  __kernel_sinf(y[0],y[1],1);
-               case 1: return  __kernel_cosf(y[0],y[1]);
-               case 2: return -__kernel_sinf(y[0],y[1],1);
-               default:
-                       return -__kernel_cosf(y[0],y[1]);
-           }
-       }
-}
-
-#ifdef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-       double sin(double x)
-#else
-       double sin(x)
-       double x;
-#endif
-{
-       return (double) sinf((float) x);
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */