From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- sysdeps/ieee754/ldbl-128ibm/e_atanhl.c | 79 ---------------------------------- 1 file changed, 79 deletions(-) delete mode 100644 sysdeps/ieee754/ldbl-128ibm/e_atanhl.c (limited to 'sysdeps/ieee754/ldbl-128ibm/e_atanhl.c') diff --git a/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c b/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c deleted file mode 100644 index a801bd6..0000000 --- a/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c +++ /dev/null @@ -1,79 +0,0 @@ -/* @(#)e_atanh.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: e_atanh.c,v 1.8 1995/05/10 20:44:55 jtc Exp $"; -#endif - -/* __ieee754_atanh(x) - * Method : - * 1.Reduced x to positive by atanh(-x) = -atanh(x) - * 2.For x>=0.5 - * 1 2x x - * atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------) - * 2 1 - x 1 - x - * - * For x<0.5 - * atanh(x) = 0.5*log1p(2x+2x*x/(1-x)) - * - * Special cases: - * atanh(x) is NaN if |x| > 1 with signal; - * atanh(NaN) is that NaN with no signal; - * atanh(+-1) is +-INF with signal. - * - */ - -#include "math.h" -#include "math_private.h" - -#ifdef __STDC__ -static const long double one = 1.0L, huge = 1e300L; -#else -static long double one = 1.0L, huge = 1e300L; -#endif - -#ifdef __STDC__ -static const long double zero = 0.0L; -#else -static long double zero = 0.0L; -#endif - -#ifdef __STDC__ - long double __ieee754_atanhl(long double x) -#else - long double __ieee754_atanhl(x) - long double x; -#endif -{ - long double t; - int64_t hx,ix; - u_int64_t lx; - GET_LDOUBLE_WORDS64(hx,lx,x); - ix = hx&0x7fffffffffffffffLL; - if (ix >= 0x3ff0000000000000LL) { /* |x|>=1 */ - if (ix > 0x3ff0000000000000LL) - return (x-x)/(x-x); - t = fabsl (x); - if (t > one) - return (x-x)/(x-x); - if (t == one) - return x/zero; - } - if(ix<0x3e20000000000000LL&&(huge+x)>zero) return x; /* x<2**-29 */ - x = fabsl (x); - if(ix<0x3fe0000000000000LL) { /* x < 0.5 */ - t = x+x; - t = 0.5*__log1pl(t+t*x/(one-x)); - } else - t = 0.5*__log1pl((x+x)/(one-x)); - if(hx>=0) return t; else return -t; -} -- cgit v1.1