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-rw-r--r--src/math/s_cosf.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/src/math/s_cosf.c b/src/math/s_cosf.c
deleted file mode 100644
index 14b8e98b..00000000
--- a/src/math/s_cosf.c
+++ /dev/null
@@ -1,47 +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.
- * ====================================================
- */
-
-#include <math.h>
-#include "math_private.h"
-
-static const float one=1.0;
-
-float
-cosf(float x)
-{
-        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);
-            }
-        }
-}