arb/arf/get_fmpr.c
2016-04-26 17:20:05 +02:00

33 lines
790 B
C

/*
Copyright (C) 2014 Fredrik Johansson
This file is part of Arb.
Arb is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "arf.h"
void
arf_get_fmpr(fmpr_t y, const arf_t x)
{
if (arf_is_special(x))
{
if (arf_is_zero(x))
fmpr_zero(y);
else if (arf_is_pos_inf(x))
fmpr_pos_inf(y);
else if (arf_is_neg_inf(x))
fmpr_neg_inf(y);
else
fmpr_nan(y);
}
else
{
arf_get_fmpz_2exp(fmpr_manref(y), fmpr_expref(y), x);
}
}