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31 lines
720 B
C
31 lines
720 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_get_fmpr(fmpr_t x, const mag_t r)
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{
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if (mag_is_zero(r))
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{
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fmpr_zero(x);
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}
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else if (mag_is_inf(r))
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{
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fmpr_pos_inf(x);
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}
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else
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{
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fmpr_set_ui_2exp_si(x, MAG_MAN(r), -MAG_BITS);
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_fmpz_add2_fast(fmpr_expref(x), fmpr_expref(x), MAG_EXPREF(r), 0);
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}
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}
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