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Diffstat (limited to 'mpc/tests/tadd.c')
-rw-r--r-- | mpc/tests/tadd.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/mpc/tests/tadd.c b/mpc/tests/tadd.c new file mode 100644 index 0000000000..11a305bdb5 --- /dev/null +++ b/mpc/tests/tadd.c @@ -0,0 +1,70 @@ +/* tadd -- test file for mpc_add. + +Copyright (C) 2008, 2010, 2011, 2012 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 <stdlib.h> +#include "mpc-tests.h" + +static void +check_ternary_value (void) +{ + mpc_t x, y, z; + mpfr_prec_t prec; + + mpc_init2 (x, 2); + mpc_init2 (y, 2); + mpc_init2 (z, 2); + + for (prec = 2; prec <= 1000; prec++) + { + mpc_set_prec (x, prec); + mpc_set_prec (y, prec); + + mpc_set_ui (x, 1, MPC_RNDNN); + mpc_mul_2ui (x, x, (unsigned long int) prec, MPC_RNDNN); + mpc_set_ui (y, 1, MPC_RNDNN); + + if (mpc_add (z, x, y, MPC_RNDNN) == 0) + { + fprintf (stderr, "Error in mpc_add: 2^(-prec)+1 cannot be exact\n"); + exit (1); + } + } + + mpc_clear (x); + mpc_clear (y); + mpc_clear (z); +} + +int +main (void) +{ + DECL_FUNC (C_CC, f, mpc_add); + f.properties = FUNC_PROP_SYMETRIC; + + test_start (); + + check_ternary_value(); + data_check (f, "add.dat"); + tgeneric (f, 2, 1024, 7, -1); + + test_end (); + + return 0; +} |