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-rw-r--r--src/math/s_tanf.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/src/math/s_tanf.c b/src/math/s_tanf.c
deleted file mode 100644
index 660dd9c3..00000000
--- a/src/math/s_tanf.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* s_tanf.c -- float version of s_tan.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"
-
-float
-tanf(float x)
-{
- float y[2],z=0.0;
- int32_t n, ix;
-
- GET_FLOAT_WORD(ix,x);
-
- /* |x| ~< pi/4 */
- ix &= 0x7fffffff;
- if(ix <= 0x3f490fda) return __kernel_tanf(x,z,1);
-
- /* tan(Inf or NaN) is NaN */
- else if (ix>=0x7f800000) return x-x; /* NaN */
-
- /* argument reduction needed */
- else {
- n = __ieee754_rem_pio2f(x,y);
- return __kernel_tanf(y[0],y[1],1-((n&1)<<1)); /* 1 -- n even
- -1 -- n odd */
- }
-}