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/* Test compatibility mpf-mpfr.
Copyright 2003, 2004 Free Software Foundation.
This file is part of the MPFR Library.
The MPFR Library 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 2.1 of the License, or (at your
option) any later version.
The MPFR Library 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 the MPFR Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
#include <stdio.h>
#include <stdlib.h>
#include "gmp.h"
#ifdef MPFR
#include "mpfr.h"
#include "mpf2mpfr.h"
#endif
int
main ()
{
unsigned long int prec;
unsigned long int prec2;
mpf_t x, y;
mpz_t z;
mpq_t q;
double d;
signed long int exp;
long l;
unsigned long u;
char *s;
int i;
FILE *f;
gmp_randstate_t state;
/* Initialization Functions */
prec = 53;
mpf_set_default_prec (prec);
prec2 = mpf_get_default_prec ();
if (prec2 < prec)
{
printf ("Error in get_default_prec: %lu < %lu\n", prec2, prec);
exit (1);
}
mpf_init (y);
mpf_init2 (x, prec);
prec2 = mpf_get_prec (x);
if (prec2 < prec)
{
printf ("Error in get_prec: %lu < %lu\n", prec2, prec);
mpf_clear (y);
mpf_clear (x);
exit (1);
}
mpf_set_prec (x, 2 * prec);
prec2 = mpf_get_prec (x);
if (prec2 < 2 * prec)
{
printf ("Error in set_prec: %lu < %lu\n", prec2, 2 * prec);
mpf_clear (y);
mpf_clear (x);
exit (1);
}
mpf_set_prec_raw (x, prec);
prec2 = mpf_get_prec (x);
if (prec2 < prec)
{
printf ("Error in set_prec_raw: %lu < %lu\n", prec2, prec);
mpf_clear (y);
mpf_clear (x);
exit (1);
}
/* Assignment Functions */
mpf_set (y, x);
mpf_set_ui (x, 1);
mpf_set_si (x, -1);
mpf_set_d (x, 1.0);
mpz_init_set_ui (z, 17);
mpf_set_z (x, z);
mpz_clear (z);
mpq_init (q);
mpq_set_ui (q, 2, 3);
mpf_set_q (x, q);
mpq_clear (q);
mpf_set_str (x, "3.1415e1", 10);
mpf_swap (x, y);
/* Combined Initialization and Assignment Functions */
mpf_clear (x);
mpf_init_set (x, y);
mpf_clear (x);
mpf_init_set_ui (x, 17);
mpf_clear (x);
mpf_init_set_si (x, -17);
mpf_clear (x);
mpf_init_set_d (x, 17.0);
mpf_clear (x);
mpf_init_set_str (x, "3.1415e1", 10);
/* Conversion Functions */
d = mpf_get_d (x);
d = mpf_get_d_2exp (&exp, x);
l = mpf_get_si (x);
u = mpf_get_ui (x);
s = mpf_get_str (NULL, &exp, 10, 10, x);
free (s);
/* Arithmetic Functions */
mpf_add (y, x, x);
mpf_add_ui (y, x, 1);
mpf_sub (y, x, x);
mpf_ui_sub (y, 1, x);
mpf_sub_ui (y, x, 1);
mpf_mul (y, x, x);
mpf_mul_ui (y, x, 17);
mpf_div (y, x, x);
mpf_ui_div (y, 17, x);
mpf_div_ui (y, x, 17);
mpf_sqrt (y, x);
mpf_sqrt_ui (y, 17);
mpf_pow_ui (y, x, 2);
mpf_neg (y, x);
mpf_abs (y, x);
mpf_mul_2exp (y, x, 17);
mpf_div_2exp (y, x, 17);
/* Comparison Functions */
i = mpf_cmp (y, x);
i = mpf_cmp_d (y, 1.7);
i = mpf_cmp_ui (y, 17);
i = mpf_cmp_si (y, -17);
i = mpf_eq (y, x, 17);
mpf_reldiff (y, y, x);
i = mpf_sgn (x);
/* Input and Output Functions */
f = fopen ("/dev/null", "w");
if (f != NULL)
{
mpf_out_str (f, 10, 10, x);
fclose (f);
}
mpf_set_prec (x, 15);
mpf_set_prec (y, 15);
/* We may use src_fopen instead of fopen, but it is defined
in mpfr-test, and not in mpfr.h and gmp.h, and we want
to test theses includes files. */
f = fopen ("inp_str.data", "r");
if (f != NULL)
{
i = mpf_inp_str (x, f, 10);
if ((i == 0) || mpf_cmp_ui (x, 31415))
{
printf ("Error in reading 1st line from file inp_str.data\n");
exit (1);
}
fclose (f);
}
/* Miscellaneous Functions */
mpf_ceil (y, x);
mpf_floor (y, x);
mpf_trunc (y, x);
i = mpf_integer_p (x);
i = mpf_fits_ulong_p (x);
i = mpf_fits_slong_p (x);
i = mpf_fits_uint_p (x);
i = mpf_fits_sint_p (x);
i = mpf_fits_ushort_p (x);
i = mpf_fits_sshort_p (x);
gmp_randinit (state, GMP_RAND_ALG_LC, 128);
mpf_urandomb (x, state, 10);
gmp_randclear (state);
mpf_random2 (x, 17, 17);
/* clear all variables */
mpf_clear (y);
mpf_clear (x);
return 0;
}
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