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/* mpq_equal(u,v) -- Compare U, V. Return non-zero if they are equal, zero
if they are non-equal.
Copyright 1996, 2001, 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 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.
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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see https://www.gnu.org/licenses/. */
#include "gmp.h"
#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;
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_size = SIZ(DEN(op1));
den2_size = SIZ(DEN(op2));
if (den1_size != den2_size)
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;
}
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