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Diffstat (limited to 'tools/mpcheck/mpcheck-float.c')
| -rw-r--r-- | tools/mpcheck/mpcheck-float.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/tools/mpcheck/mpcheck-float.c b/tools/mpcheck/mpcheck-float.c new file mode 100644 index 0000000..9e4bdea --- /dev/null +++ b/tools/mpcheck/mpcheck-float.c @@ -0,0 +1,247 @@ +/* mpcheck-float -- compare mpc functions against "float complex" + from the GNU libc implementation + +Copyright (C) 2020 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/ . +*/ + +/* the GNU libc provides the following functions (as of 2.31), + with 'f' suffix for the float/binary32 version, with no suffix + for the double/binary64 version, with 'l' suffix for the long double + version, and with 'f128' suffix for the __float128 version: + + cabs casinh cexp csinh + cacos catan clog csqrt + cacosh catanh clog10 ctan + carg ccos cpow ctanh + casin ccosh csin +*/ + +#define _GNU_SOURCE /* for clog10 */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <complex.h> +#include <sys/types.h> +#include <unistd.h> +#include <assert.h> +#include "mpc.h" +#ifdef __GNUC__ +#include <gnu/libc-version.h> +#endif + +#define PRECISION 24 +#define EMAX 128 +#define TYPE float +#define SUFFIX f + +#define mpfr_set_type mpfr_set_flt + +static TYPE complex +mpc_get_type (mpc_t x, mpc_rnd_t rnd) +{ + /* there is no mpc_get_fltc function */ + return (TYPE complex) mpc_get_dc (x, rnd); +} + +static int +mpc_set_type (mpc_t x, TYPE complex y, mpc_rnd_t rnd) +{ + /* there is no mpc_set_fltc function */ + return mpc_set_dc (x, (double complex) y, rnd); +} + +gmp_randstate_t state; +mpz_t expz; /* global variable used in mpcheck_random */ +unsigned long seed = 0; +int verbose = 0; +mpfr_exp_t emin, emax; + +#include "mpcheck-common.c" + +#define FOO add +#define CFOO(x,y) (x+y) +#include "mpcheck-template3.c" + +#define FOO sub +#define CFOO(x,y) (x-y) +#include "mpcheck-template3.c" + +#define FOO mul +#define CFOO(x,y) (x*y) +#include "mpcheck-template3.c" + +#define FOO div +#define CFOO(x,y) (x/y) +#include "mpcheck-template3.c" + +#define FOO pow +#include "mpcheck-template3.c" + +#define FOO abs +#include "mpcheck-template2.c" + +#define FOO arg +#include "mpcheck-template2.c" + +#define FOO sqrt +#include "mpcheck-template1.c" + +#define FOO acos +#include "mpcheck-template1.c" + +#define FOO acosh +#include "mpcheck-template1.c" + +#define FOO asin +#include "mpcheck-template1.c" + +#define FOO asinh +#include "mpcheck-template1.c" + +#define FOO atan +#include "mpcheck-template1.c" + +#define FOO atanh +#include "mpcheck-template1.c" + +#define FOO cos +#include "mpcheck-template1.c" + +#define FOO cosh +#include "mpcheck-template1.c" + +#define FOO exp +#include "mpcheck-template1.c" + +#define FOO log +#include "mpcheck-template1.c" + +#define FOO log10 +#include "mpcheck-template1.c" + +#define FOO sin +#include "mpcheck-template1.c" + +#define FOO sinh +#include "mpcheck-template1.c" + +#define FOO tan +#include "mpcheck-template1.c" + +#define FOO tanh +#include "mpcheck-template1.c" + +int +main (int argc, char *argv[]) +{ + mpfr_prec_t p = PRECISION; /* precision of 'float' */ + unsigned long n = 1000000; /* default number of random tests per function */ + + while (argc >= 2 && argv[1][0] == '-') + { + if (argc >= 3 && strcmp (argv[1], "-p") == 0) + { + p = atoi (argv[2]); + argc -= 2; + argv += 2; + } + else if (argc >= 3 && strcmp (argv[1], "-seed") == 0) + { + seed = atoi (argv[2]); + argc -= 2; + argv += 2; + } + else if (argc >= 3 && strcmp (argv[1], "-num") == 0) + { + n = atoi (argv[2]); + argc -= 2; + argv += 2; + } + else if (strcmp (argv[1], "-v") == 0) + { + verbose ++; + argc --; + argv ++; + } + else if (strcmp (argv[1], "-check") == 0) + { + recheck = 1; + argc --; + argv ++; + } + else + { + fprintf (stderr, "Unknown option %s\n", argv[1]); + exit (1); + } + } + + /* set exponent range */ + emin = -EMAX - PRECISION + 4; /* should be -148 */ + emax = EMAX; + mpfr_set_emin (emin); + mpfr_set_emax (emax); + + gmp_randinit_default (state); + mpz_init (expz); + +#ifdef __GNUC__ + printf ("GNU libc version: %s\n", gnu_get_libc_version ()); + printf ("GNU libc release: %s\n", gnu_get_libc_release ()); +#endif + + if (seed == 0) + seed = getpid (); + printf ("Using random seed %lu\n", seed); + + /* (complex,complex) -> complex */ + test_add (p, n); + test_sub (p, n); + test_mul (p, n); + test_div (p, n); + test_pow (p, n); + + /* complex -> real */ + test_abs (p, n); + test_arg (p, n); + + /* complex -> complex */ + test_sqrt (p, n); + test_acos (p, n); + test_acosh (p, n); + test_asin (p, n); + test_asinh (p, n); + test_atan (p, n); + test_atanh (p, n); + test_cos (p, n); + test_cosh (p, n); + test_exp (p, n); + test_log (p, n); + test_log10 (p, n); + test_sin (p, n); + test_sinh (p, n); + test_tan (p, n); + test_tanh (p, n); + + gmp_randclear (state); + mpz_clear (expz); + + report_maximal_errors (); + + return 0; +} |