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-rw-r--r--src/math/e_sinhf.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/src/math/e_sinhf.c b/src/math/e_sinhf.c
deleted file mode 100644
index fe60608a..00000000
--- a/src/math/e_sinhf.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* e_sinhf.c -- float version of e_sinh.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, shuge = 1.0e37;
-
-float
-sinhf(float x)
-{
- float t,w,h;
- int32_t ix,jx;
-
- GET_FLOAT_WORD(jx,x);
- ix = jx&0x7fffffff;
-
- /* x is INF or NaN */
- if(ix>=0x7f800000) return x+x;
-
- h = 0.5;
- if (jx<0) h = -h;
- /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
- if (ix < 0x41b00000) { /* |x|<22 */
- if (ix<0x31800000) /* |x|<2**-28 */
- if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
- t = expm1f(fabsf(x));
- if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one));
- return h*(t+t/(t+one));
- }
-
- /* |x| in [22, log(maxdouble)] return 0.5*exp(|x|) */
- if (ix < 0x42b17180) return h*expf(fabsf(x));
-
- /* |x| in [log(maxdouble), overflowthresold] */
- if (ix<=0x42b2d4fc) {
- w = expf((float)0.5*fabsf(x));
- t = h*w;
- return t*w;
- }
-
- /* |x| > overflowthresold, sinh(x) overflow */
- return x*shuge;
-}