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/*
Copyright (C) 2015 Fredrik Johansson
This file is part of FLINT.
FLINT 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 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "double_extras.h"
#include "mag.h"
void
mag_set_d(mag_t z, double c)
{
if (c < 0.0)
c = -c;
if (c == 0.0)
{
mag_zero(z);
}
else if ((c != c) || c == D_INF)
{
mag_inf(z);
}
else
{
_fmpz_demote(MAG_EXPREF(z));
MAG_SET_D_2EXP(MAG_MAN(z), MAG_EXP(z), c, 0);
}
}
void
mag_set_d_lower(mag_t z, double c)
{
if (c < 0.0)
c = -c;
if (c == 0.0 || (c != c))
{
mag_zero(z);
}
else if (c == D_INF)
{
mag_inf(z);
}
else
{
_fmpz_demote(MAG_EXPREF(z));
MAG_SET_D_2EXP_LOWER(MAG_MAN(z), MAG_EXP(z), c, 0);
}
}