diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c b/sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c deleted file mode 100644 index d93f505445..0000000000 --- a/sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * IBM Accurate Mathematical Library - * written by International Business Machines Corp. - * Copyright (C) 2001-2013 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ -/**************************************************************************/ -/* MODULE_NAME:slowexp.c */ -/* */ -/* FUNCTION:slowexp */ -/* */ -/* FILES NEEDED:mpa.h */ -/* mpa.c mpexp.c */ -/* */ -/*Converting from double precision to Multi-precision and calculating */ -/* e^x */ -/**************************************************************************/ -#include <math_private.h> - -#ifdef NO_LONG_DOUBLE -#include "mpa.h" -void __mpexp(mp_no *x, mp_no *y, int p); -#endif - -/*Converting from double precision to Multi-precision and calculating e^x */ -double __slowexp(double x) { -#ifdef NO_LONG_DOUBLE - double w,z,res,eps=3.0e-26; - int p; - mp_no mpx, mpy, mpz,mpw,mpeps,mpcor; - - p=6; - __dbl_mp(x,&mpx,p); /* Convert a double precision number x */ - /* into a multiple precision number mpx with prec. p. */ - __mpexp(&mpx, &mpy, p); /* Multi-Precision exponential function */ - __dbl_mp(eps,&mpeps,p); - __mul(&mpeps,&mpy,&mpcor,p); - __add(&mpy,&mpcor,&mpw,p); - __sub(&mpy,&mpcor,&mpz,p); - __mp_dbl(&mpw, &w, p); - __mp_dbl(&mpz, &z, p); - if (w == z) return w; - else { /* if calculating is not exactly */ - p = 32; - __dbl_mp(x,&mpx,p); - __mpexp(&mpx, &mpy, p); - __mp_dbl(&mpy, &res, p); - return res; - } -#else - return (double) __ieee754_expl((long double)x); -#endif -} |