diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_remquol.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_remquol.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_remquol.c b/sysdeps/ieee754/ldbl-128/s_remquol.c deleted file mode 100644 index d360f82dba..0000000000 --- a/sysdeps/ieee754/ldbl-128/s_remquol.c +++ /dev/null @@ -1,112 +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 and - Jakub Jelinek <jj@ultra.linux.cz>, 1999. - - 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 _Float128 zero = 0.0; - - -_Float128 -__remquol (_Float128 x, _Float128 y, int *quo) -{ - int64_t hx,hy; - u_int64_t sx,lx,ly,qs; - int cquo; - - GET_LDOUBLE_WORDS64 (hx, lx, x); - GET_LDOUBLE_WORDS64 (hy, ly, y); - sx = hx & 0x8000000000000000ULL; - qs = sx ^ (hy & 0x8000000000000000ULL); - hy &= 0x7fffffffffffffffLL; - hx &= 0x7fffffffffffffffLL; - - /* Purge off exception values. */ - if ((hy | ly) == 0) - return (x * y) / (x * y); /* y = 0 */ - if ((hx >= 0x7fff000000000000LL) /* x not finite */ - || ((hy >= 0x7fff000000000000LL) /* y is NaN */ - && (((hy - 0x7fff000000000000LL) | ly) != 0))) - return (x * y) / (x * y); - - if (hy <= 0x7ffbffffffffffffLL) - x = __ieee754_fmodl (x, 8 * y); /* now x < 8y */ - - if (((hx - hy) | (lx - ly)) == 0) - { - *quo = qs ? -1 : 1; - return zero * x; - } - - x = fabsl (x); - y = fabsl (y); - cquo = 0; - - if (hy <= 0x7ffcffffffffffffLL && x >= 4 * y) - { - x -= 4 * y; - cquo += 4; - } - if (hy <= 0x7ffdffffffffffffLL && x >= 2 * y) - { - x -= 2 * y; - cquo += 2; - } - - if (hy < 0x0002000000000000LL) - { - if (x + x > y) - { - x -= y; - ++cquo; - if (x + x >= y) - { - x -= y; - ++cquo; - } - } - } - else - { - _Float128 y_half = L(0.5) * y; - if (x > y_half) - { - x -= y; - ++cquo; - if (x >= y_half) - { - x -= y; - ++cquo; - } - } - } - - *quo = qs ? -cquo : cquo; - - /* Ensure correct sign of zero result in round-downward mode. */ - if (x == 0) - x = 0; - if (sx) - x = -x; - return x; -} -weak_alias (__remquol, remquol) |