61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* mpq_equal(u,v) -- Compare U, V. Return non-zero if they are equal, zero
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if they are non-equal.
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Copyright 1996, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "gmp.h"
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#include "gmp-impl.h"
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int
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mpq_equal (mpq_srcptr op1, mpq_srcptr op2)
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{
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mp_size_t num1_size, num2_size, den1_size, den2_size, i;
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mp_srcptr num1_ptr, num2_ptr, den1_ptr, den2_ptr;
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/* need fully canonical for correct results */
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ASSERT_MPQ_CANONICAL (op1);
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ASSERT_MPQ_CANONICAL (op2);
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num1_size = op1->_mp_num._mp_size;
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num2_size = op2->_mp_num._mp_size;
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if (num1_size != num2_size)
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return 0;
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num1_ptr = op1->_mp_num._mp_d;
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num2_ptr = op2->_mp_num._mp_d;
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num1_size = ABS (num1_size);
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for (i = 0; i < num1_size; i++)
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if (num1_ptr[i] != num2_ptr[i])
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return 0;
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den1_size = op1->_mp_den._mp_size;
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den2_size = op2->_mp_den._mp_size;
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if (den1_size != den2_size)
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return 0;
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den1_ptr = op1->_mp_den._mp_d;
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den2_ptr = op2->_mp_den._mp_d;
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for (i = 0; i < den1_size; i++)
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if (den1_ptr[i] != den2_ptr[i])
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return 0;
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return 1;
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}
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