diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_remquol.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_remquol.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_remquol.c b/sysdeps/ieee754/ldbl-96/s_remquol.c deleted file mode 100644 index ee9a6a7d2a..0000000000 --- a/sysdeps/ieee754/ldbl-96/s_remquol.c +++ /dev/null @@ -1,111 +0,0 @@ -/* Compute remainder and a congruent to the quotient. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> - -#include <math_private.h> - - -static const long double zero = 0.0; - - -long double -__remquol (long double x, long double p, int *quo) -{ - int32_t ex,ep,hx,hp; - u_int32_t sx,lx,lp; - int cquo,qs; - - GET_LDOUBLE_WORDS (ex, hx, lx, x); - GET_LDOUBLE_WORDS (ep, hp, lp, p); - sx = ex & 0x8000; - qs = (sx ^ (ep & 0x8000)) >> 15; - ep &= 0x7fff; - ex &= 0x7fff; - - /* Purge off exception values. */ - if ((ep | hp | lp) == 0) - return (x * p) / (x * p); /* p = 0 */ - if ((ex == 0x7fff) /* x not finite */ - || ((ep == 0x7fff) /* p is NaN */ - && (((hp & 0x7fffffff) | lp) != 0))) - return (x * p) / (x * p); - - if (ep <= 0x7ffb) - x = __ieee754_fmodl (x, 8 * p); /* now x < 8p */ - - if (((ex - ep) | (hx - hp) | (lx - lp)) == 0) - { - *quo = qs ? -1 : 1; - return zero * x; - } - - x = fabsl (x); - p = fabsl (p); - cquo = 0; - - if (ep <= 0x7ffc && x >= 4 * p) - { - x -= 4 * p; - cquo += 4; - } - if (ep <= 0x7ffd && x >= 2 * p) - { - x -= 2 * p; - cquo += 2; - } - - if (ep < 0x0002) - { - if (x + x > p) - { - x -= p; - ++cquo; - if (x + x >= p) - { - x -= p; - ++cquo; - } - } - } - else - { - long double p_half = 0.5 * p; - if (x > p_half) - { - x -= p; - ++cquo; - if (x >= p_half) - { - x -= p; - ++cquo; - } - } - } - - *quo = qs ? -cquo : cquo; - - /* Ensure correct sign of zero result in round-downward mode. */ - if (x == 0.0L) - x = 0.0L; - if (sx) - x = -x; - return x; -} -weak_alias (__remquol, remquol) |