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. --- math/divtc3.c | 75 ----------------------------------------------------------- 1 file changed, 75 deletions(-) delete mode 100644 math/divtc3.c (limited to 'math/divtc3.c') diff --git a/math/divtc3.c b/math/divtc3.c deleted file mode 100644 index d974ae6454..0000000000 --- a/math/divtc3.c +++ /dev/null @@ -1,75 +0,0 @@ -/* Copyright (C) 2005, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson , 2005. - - The GNU C Library 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. - - The GNU C Library 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 the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include -#include -#include - -attribute_hidden -long double _Complex -__divtc3 (long double a, long double b, long double c, long double d) -{ - long double denom, ratio, x, y; - - /* ??? We can get better behavior from logarithmic scaling instead of - the division. But that would mean starting to link libgcc against - libm. We could implement something akin to ldexp/frexp as gcc builtins - fairly easily... */ - if (fabsl (c) < fabsl (d)) - { - ratio = c / d; - denom = (c * ratio) + d; - x = ((a * ratio) + b) / denom; - y = ((b * ratio) - a) / denom; - } - else - { - ratio = d / c; - denom = (d * ratio) + c; - x = ((b * ratio) + a) / denom; - y = (b - (a * ratio)) / denom; - } - - /* Recover infinities and zeros that computed as NaN+iNaN; the only cases - are nonzero/zero, infinite/finite, and finite/infinite. */ - if (isnan (x) && isnan (y)) - { - if (denom == 0.0 && (!isnan (a) || !isnan (b))) - { - x = __copysignl (INFINITY, c) * a; - y = __copysignl (INFINITY, c) * b; - } - else if ((isinf (a) || isinf (b)) && isfinite (c) && isfinite (d)) - { - a = __copysignl (isinf (a) ? 1 : 0, a); - b = __copysignl (isinf (b) ? 1 : 0, b); - x = INFINITY * (a * c + b * d); - y = INFINITY * (b * c - a * d); - } - else if ((isinf (c) || isinf (d)) && isfinite (a) && isfinite (b)) - { - c = __copysignl (isinf (c) ? 1 : 0, c); - d = __copysignl (isinf (d) ? 1 : 0, d); - x = 0.0 * (a * c + b * d); - y = 0.0 * (b * c - a * d); - } - } - - return x + I * y; -} -- cgit v1.2.3