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37 lines
860 B
C
37 lines
860 B
C
/*
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Copyright (C) 2014 Fredrik Johansson
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "mag.h"
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int
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mag_cmp(const mag_t x, const mag_t y)
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{
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int c;
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if (mag_equal(x, y))
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return 0;
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if (mag_is_special(x) || mag_is_special(y))
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{
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if (mag_is_zero(x)) return -1;
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if (mag_is_zero(y)) return 1;
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if (mag_is_inf(x)) return 1;
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if (mag_is_inf(y)) return -1;
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}
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c = fmpz_cmp(MAG_EXPREF(x), MAG_EXPREF(y));
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if (c == 0)
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return (MAG_MAN(x) < MAG_MAN(y)) ? -1 : 1;
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return (c < 0) ? -1 : 1;
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}
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