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29 lines
758 B
C
29 lines
758 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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void
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mag_mul_2exp_si(mag_t z, const mag_t x, slong y)
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{
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if (mag_is_special(x))
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{
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mag_set(z, x);
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}
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else
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{
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if (y >= ADD2_FAST_MIN && y <= ADD2_FAST_MAX)
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_fmpz_add_fast(MAG_EXPREF(z), MAG_EXPREF(x), y);
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else
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fmpz_add_si(MAG_EXPREF(z), MAG_EXPREF(x), y);
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MAG_MAN(z) = MAG_MAN(x);
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}
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}
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