diff options
Diffstat (limited to 'vendor/gmp-6.3.0/mpq/equal.c')
-rw-r--r-- | vendor/gmp-6.3.0/mpq/equal.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpq/equal.c b/vendor/gmp-6.3.0/mpq/equal.c new file mode 100644 index 0000000..9835e04 --- /dev/null +++ b/vendor/gmp-6.3.0/mpq/equal.c @@ -0,0 +1,68 @@ +/* mpq_equal(u,v) -- Compare U, V. Return non-zero if they are equal, zero + if they are non-equal. + +Copyright 1996, 2001, 2002, 2018 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 +mpq_equal (mpq_srcptr op1, mpq_srcptr op2) __GMP_NOTHROW +{ + mp_size_t num1_size, num2_size, den1_size, den2_size, i; + mp_srcptr num1_ptr, num2_ptr, den1_ptr, den2_ptr; + + /* need fully canonical for correct results */ + ASSERT_MPQ_CANONICAL (op1); + ASSERT_MPQ_CANONICAL (op2); + + num1_size = SIZ(NUM(op1)); + num2_size = SIZ(NUM(op2)); + if (num1_size != num2_size) + return 0; + + den1_size = SIZ(DEN(op1)); + den2_size = SIZ(DEN(op2)); + if (den1_size != den2_size) + return 0; + + num1_ptr = PTR(NUM(op1)); + num2_ptr = PTR(NUM(op2)); + num1_size = ABS (num1_size); + for (i = 0; i < num1_size; i++) + if (num1_ptr[i] != num2_ptr[i]) + return 0; + + den1_ptr = PTR(DEN(op1)); + den2_ptr = PTR(DEN(op2)); + for (i = 0; i < den1_size; i++) + if (den1_ptr[i] != den2_ptr[i]) + return 0; + + return 1; +} |