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

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

diff --git a/src/math/kf_sin.c b/src/math/kf_sin.c
deleted file mode 100644 (file)
index e81fa0b..0000000
--- a/src/math/kf_sin.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* kf_sin.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.
- * ====================================================
- */
-
-#include "fdlibm.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);
-}