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Diffstat (limited to 'tests/tmul_i_tmpl.c')
-rw-r--r-- | tests/tmul_i_tmpl.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tests/tmul_i_tmpl.c b/tests/tmul_i_tmpl.c new file mode 100644 index 0000000..bf920af --- /dev/null +++ b/tests/tmul_i_tmpl.c @@ -0,0 +1,103 @@ +/* tmul_i_tmpl.c -- templated test file for mpc_mul_i. + +Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 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 "templates.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, MPFR_RNDN); + mpfr_set_str (mpc_imagref (z), "-1", 2, MPFR_RNDN); + mpfr_set_str (mpc_realref (expected), "+1", 2, MPFR_RNDN); + mpfr_set_str (mpc_imagref (expected), "0x100000000fp-32", 16, MPFR_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); +} + + +#define MPC_FUNCTION_CALL \ + P[0].mpc_inex = mpc_mul_i (P[1].mpc, P[2].mpc, P[3].i, P[4].mpc_rnd) +#define MPC_FUNCTION_CALL_REUSE_OP1 \ + P[0].mpc_inex = mpc_mul_i (P[1].mpc, P[1].mpc, P[3].i, P[4].mpc_rnd) + +#include "tgeneric.tpl" + +int +main (void) +{ + test_start (); + + check_different_precisions (); + + tgeneric_template ("mul_i.dsc", 2, 1024, 7, 1024); + + test_end (); + + return 0; +} |