diff options
Diffstat (limited to 'mpc/tests/tpow_z.c')
-rw-r--r-- | mpc/tests/tpow_z.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/mpc/tests/tpow_z.c b/mpc/tests/tpow_z.c new file mode 100644 index 0000000000..2a897e6bee --- /dev/null +++ b/mpc/tests/tpow_z.c @@ -0,0 +1,62 @@ +/* tpow_z -- test file for mpc_pow_z. + +Copyright (C) 2009, 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 <limits.h> /* for CHAR_BIT */ +#include "mpc-tests.h" + +int +main (void) +{ + mpc_t z; + mpz_t t; + + test_start (); + + mpc_init2 (z, 5); + mpz_init_set_ui (t, 1ul); + mpc_set_ui_ui (z, 17ul, 42ul, MPC_RNDNN); + mpc_pow_z (z, z, t, MPC_RNDNN); + if (mpc_cmp_si_si (z, 17l, 42l) != 0) { + printf ("Error for mpc_pow_z (1)\n"); + exit (1); + } + mpz_set_si (t, -1l); + mpc_set_ui_ui (z, 1ul, 1ul, MPC_RNDNN); + mpc_pow_z (z, z, t, MPC_RNDNN); + mpc_mul_ui (z, z, 2ul, MPC_RNDNN); + if (mpc_cmp_si_si (z, 1l, -1l) != 0) { + printf ("Error for mpc_pow_z (-1)\n"); + exit (1); + } + mpz_set_ui (t, 1ul); + mpz_mul_2exp (t, t, sizeof (long) * CHAR_BIT); + mpc_set_ui_ui (z, 0ul, 1ul, MPC_RNDNN); + mpc_pow_z (z, z, t, MPC_RNDNN); + if (mpc_cmp_si_si (z, 1l, 0l) != 0) { + printf ("Error for mpc_pow_z (4*large)\n"); + exit (1); + } + mpc_clear (z); + mpz_clear (t); + + test_end (); + + return 0; +} |