diff options
author | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:36:36 +0200 |
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committer | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:42:26 +0200 |
commit | a89a14ef5da44684a16b204e7a70460cc8c4922a (patch) | |
tree | b23b4c6b155977909ef508fdae2f48d33d802813 /vendor/gmp-6.3.0/mpz/cmp.c | |
parent | 1db63fcedab0b288820d66e100b1877b1a5a8851 (diff) |
Basic constant folding implementation
Diffstat (limited to 'vendor/gmp-6.3.0/mpz/cmp.c')
-rw-r--r-- | vendor/gmp-6.3.0/mpz/cmp.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpz/cmp.c b/vendor/gmp-6.3.0/mpz/cmp.c new file mode 100644 index 0000000..ba4c023 --- /dev/null +++ b/vendor/gmp-6.3.0/mpz/cmp.c @@ -0,0 +1,53 @@ +/* mpz_cmp(u,v) -- Compare U, V. Return positive, zero, or negative + based on if U > V, U == V, or U < V. + +Copyright 1991, 1993, 1994, 1996, 2001, 2002, 2011, 2020 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_cmp (mpz_srcptr u, mpz_srcptr v) __GMP_NOTHROW +{ + mp_size_t usize, vsize, asize; + mp_srcptr up, vp; + int cmp; + + usize = SIZ(u); + vsize = SIZ(v); + /* Cannot use usize - vsize, may overflow an "int" */ + if (usize != vsize) + return (usize > vsize) ? 1 : -1; + + asize = ABS (usize); + up = PTR(u); + vp = PTR(v); + MPN_CMP (cmp, up, vp, asize); + return (usize >= 0 ? cmp : -cmp); +} |