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30 lines
684 B
C
30 lines
684 B
C
/*
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Copyright (C) 2016 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 "arf.h"
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int
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arf_is_int_2exp_si(const arf_t x, slong e)
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{
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if (arf_is_special(x))
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return arf_is_zero(x);
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else
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{
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fmpz_t t;
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int r;
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fmpz_init(t);
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arf_bot(t, x);
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r = fmpz_cmp_si(t, e) >= 0;
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fmpz_clear(t);
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return r;
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}
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}
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