X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fe_acoshf.c;fp=src%2Fmath%2Fe_acoshf.c;h=0000000000000000000000000000000000000000;hb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;hp=b7f1df69134f00117a07bbfba0cfc1beeccba944;hpb=d46cf2e14cc4df7cc75e77d7009fcb6df1f48a33;p=musl

diff --git a/src/math/e_acoshf.c b/src/math/e_acoshf.c
deleted file mode 100644
index b7f1df69..00000000
--- a/src/math/e_acoshf.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/* e_acoshf.c -- float version of e_acosh.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,
-ln2     = 6.9314718246e-01;  /* 0x3f317218 */
-
-float
-acoshf(float x)
-{
-        float t;
-        int32_t hx;
-        GET_FLOAT_WORD(hx,x);
-        if(hx<0x3f800000) {             /* x < 1 */
-            return (x-x)/(x-x);
-        } else if(hx >=0x4d800000) {    /* x > 2**28 */
-            if(hx >=0x7f800000) {       /* x is inf of NaN */
-                return x+x;
-            } else
-                return logf(x)+ln2;     /* acosh(huge)=log(2x) */
-        } else if (hx==0x3f800000) {
-            return 0.0;                 /* acosh(1) = 0 */
-        } else if (hx > 0x40000000) {   /* 2**28 > x > 2 */
-            t=x*x;
-            return logf((float)2.0*x-one/(x+sqrtf(t-one)));
-        } else {                        /* 1<x<2 */
-            t = x-one;
-            return log1pf(t+sqrtf((float)2.0*t+t*t));
-        }
-}