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/* tmul_i -- test file for mpc_mul_i.
Copyright (C) 2008, 2009, 2010, 2011 INRIA
This file is part of GNU MPC.
GNU MPC is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see http://www.gnu.org/licenses/ .
*/
#include "mpc-tests.h"
static void
check_different_precisions(void)
{
/* check reuse when real and imaginary part have different precisions. */
mpc_t z, expected, got;
int res;
mpc_init2(z, 128);
mpc_init2(expected, 128);
mpc_init2(got, 128);
/* change precision of one part */
mpfr_set_prec (mpc_imagref (z), 32);
mpfr_set_prec (mpc_imagref (expected), 32);
mpfr_set_prec (mpc_imagref (got), 32);
mpfr_set_str (mpc_realref (z), "0x100000000fp-32", 16, GMP_RNDN);
mpfr_set_str (mpc_imagref (z), "-1", 2, GMP_RNDN);
mpfr_set_str (mpc_realref (expected), "+1", 2, GMP_RNDN);
mpfr_set_str (mpc_imagref (expected), "0x100000000fp-32", 16, GMP_RNDN);
mpc_set (got, z, MPC_RNDNN);
res = mpc_mul_i (got, got, +1, MPC_RNDNN);
if (MPC_INEX_RE(res) != 0 || MPC_INEX_IM(res) >=0)
{
printf("Wrong inexact flag for mpc_mul_i(z, z, n)\n"
" got (re=%2d, im=%2d)\nexpected (re= 0, im=-1)\n",
MPC_INEX_RE(res), MPC_INEX_IM(res));
exit(1);
}
if (mpc_cmp(got, expected) != 0)
{
printf ("Error for mpc_mul_i(z, z, n) for\n");
MPC_OUT (z);
printf ("n=+1\n");
MPC_OUT (expected);
MPC_OUT (got);
exit (1);
}
mpc_neg (expected, expected, MPC_RNDNN);
mpc_set (got, z, MPC_RNDNN);
mpc_mul_i (got, got, -1, MPC_RNDNN);
if (mpc_cmp(got, expected) != 0)
{
printf ("Error for mpc_mul_i(z, z, n) for\n");
MPC_OUT (z);
printf ("n=-1\n");
MPC_OUT (expected);
MPC_OUT (got);
exit (1);
}
mpc_clear (z);
mpc_clear (expected);
mpc_clear (got);
}
int
main (void)
{
DECL_FUNC (CCI, f, mpc_mul_i);
test_start ();
check_different_precisions ();
tgeneric (f, 2, 1024, 7, -1);
test_end ();
return 0;
}
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