From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpz/cmpabs_ui.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 gmp-6.3.0/mpz/cmpabs_ui.c (limited to 'gmp-6.3.0/mpz/cmpabs_ui.c') diff --git a/gmp-6.3.0/mpz/cmpabs_ui.c b/gmp-6.3.0/mpz/cmpabs_ui.c new file mode 100644 index 0000000..6deffb3 --- /dev/null +++ b/gmp-6.3.0/mpz/cmpabs_ui.c @@ -0,0 +1,76 @@ +/* mpz_cmpabs_ui.c -- Compare an mpz_t a with an mp_limb_t b. Return positive, + zero, or negative based on if a > b, a == b, or a < b. + +Copyright 1991, 1993-1995, 1997, 2000-2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +The GNU MP 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 General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + +#include "gmp-impl.h" + +int +mpz_cmpabs_ui (mpz_srcptr u, unsigned long int v_digit) __GMP_NOTHROW +{ + mp_ptr up; + mp_size_t un; + mp_limb_t ul; + + up = PTR(u); + un = SIZ(u); + + if (un == 0) + return -(v_digit != 0); + + un = ABS (un); + + if (un == 1) + { + ul = up[0]; + if (ul > v_digit) + return 1; + if (ul < v_digit) + return -1; + return 0; + } + +#if GMP_NAIL_BITS != 0 + if (v_digit > GMP_NUMB_MAX) + { + if (un == 2) + { + ul = up[0] + (up[1] << GMP_NUMB_BITS); + + if (ul > v_digit) + return 1; + if (ul < v_digit) + return -1; + return 0; + } + } +#endif + + return 1; +} -- cgit v1.2.3