46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2010, 2011 Sebastian Pancratz
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******************************************************************************/
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#include "fmpz_poly_q.h"
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int fmpz_poly_q_is_canonical(const fmpz_poly_q_t op)
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{
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int ans;
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fmpz_poly_t t;
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if (fmpz_poly_is_zero(op->den))
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return 0;
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if (fmpz_sgn(fmpz_poly_lead(op->den)) < 0)
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return 0;
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fmpz_poly_init(t);
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fmpz_poly_gcd(t, op->num, op->den);
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ans = fmpz_poly_is_one(t);
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fmpz_poly_clear(t);
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return ans;
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}
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