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/*
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 "mag.h"
void
mag_randtest_special(mag_t x, flint_rand_t state, slong expbits)
{
switch (n_randint(state, 32))
{
case 0:
mag_zero(x);
break;
case 1:
mag_inf(x);
break;
case 2:
MAG_MAN(x) = (LIMB_ONE << MAG_BITS) - 1;
fmpz_randtest(MAG_EXPREF(x), state, expbits);
break;
case 3:
MAG_MAN(x) = LIMB_ONE << (MAG_BITS - 1);
fmpz_randtest(MAG_EXPREF(x), state, expbits);
break;
default:
MAG_MAN(x) = (n_randtest(state) >> (FLINT_BITS - MAG_BITS));
MAG_MAN(x) |= (LIMB_ONE << (MAG_BITS - 1));
fmpz_randtest(MAG_EXPREF(x), state, expbits);
}
}
void
mag_randtest(mag_t x, flint_rand_t state, slong expbits)
{
mag_randtest_special(x, state, expbits);
if (mag_is_inf(x))
mag_zero(x);
}
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