about summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_asinhl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_asinhl.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c b/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c
deleted file mode 100644
index d1b63bb909..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* @(#)s_asinh.c 5.1 93/09/24 */
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_asinh.c,v 1.9 1995/05/12 04:57:37 jtc Exp $";
-#endif
-
-/* asinh(x)
- * Method :
- *	Based on
- *		asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ]
- *	we have
- *	asinh(x) := x  if  1+x*x=1,
- *		 := sign(x)*(log(x)+ln2)) for large |x|, else
- *		 := sign(x)*log(2|x|+1/(|x|+sqrt(x*x+1))) if|x|>2, else
- *		 := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2)))
- */
-
-#include "math.h"
-#include "math_private.h"
-#include <math_ldbl_opt.h>
-
-#ifdef __STDC__
-static const long double
-#else
-static long double
-#endif
-one =  1.00000000000000000000e+00L, /* 0x3ff0000000000000, 0 */
-ln2 =  0.6931471805599453094172321214581766L, /* 0x3fe62e42fefa39ef, 0x3c7abc9e3b398040 */
-huge=  1.00000000000000000000e+300L;
-
-#ifdef __STDC__
-	long double __asinhl(long double x)
-#else
-	long double __asinhl(x)
-	long double x;
-#endif
-{
-	long double t,w;
-	int64_t hx,ix;
-	GET_LDOUBLE_MSW64(hx,x);
-	ix = hx&0x7fffffffffffffffLL;
-	if(ix>=0x7ff0000000000000LL) return x+x;	/* x is inf or NaN */
-	if(ix< 0x3e20000000000000LL) {	/* |x|<2**-29 */
-	    if(huge+x>one) return x;	/* return x inexact except 0 */
-	}
-	if(ix>0x41b0000000000000LL) {	/* |x| > 2**28 */
-	    w = __ieee754_logl(fabs(x))+ln2;
-	} else if (ix>0x4000000000000000LL) {	/* 2**28 > |x| > 2.0 */
-	    t = fabs(x);
-	    w = __ieee754_logl(2.0*t+one/(__ieee754_sqrtl(x*x+one)+t));
-	} else {		/* 2.0 > |x| > 2**-29 */
-	    t = x*x;
-	    w =__log1pl(fabsl(x)+t/(one+__ieee754_sqrtl(one+t)));
-	}
-	if(hx>0) return w; else return -w;
-}
-long_double_symbol (libm, __asinhl, asinhl);