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/* Test file for mpfr_const_catalan.
Copyright 2005-2025 Free Software Foundation, Inc.
Contributed by the Pascaline and Caramba projects, INRIA.
This file is part of the GNU MPFR Library.
The GNU 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 3 of the License, or (at your
option) any later version.
The GNU 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 GNU MPFR Library; see the file COPYING.LESSER.
If not, see <https://www.gnu.org/licenses/>. */
#include "mpfr-test.h"
/* Wrapper for tgeneric */
static int
my_const_catalan (mpfr_ptr x, mpfr_srcptr y, mpfr_rnd_t r)
{
return mpfr_const_catalan (x, r);
}
#define RAND_FUNCTION(x) mpfr_set_ui(x,0,MPFR_RNDN)
#define TEST_FUNCTION my_const_catalan
#include "tgeneric.c"
static void
exercise_Ziv (void)
{
mpfr_t x, y;
int inex;
mpfr_init2 (x, 175);
mpfr_init2 (y, 175);
inex = mpfr_const_catalan (x, MPFR_RNDN);
mpfr_set_str_binary (y, "0.1110101001111100101110001001111101000000100110101110100001000101001000010101100000100010111000110111110100110010110100001100011000111110110001000011111000010011100000011100001");
MPFR_ASSERTN(mpfr_equal_p (x, y));
MPFR_ASSERTN(inex < 0);
mpfr_clear (x);
mpfr_clear (y);
}
int
main (int argc, char *argv[])
{
mpfr_t x;
tests_start_mpfr ();
exercise_Ziv ();
mpfr_init2 (x, 32);
(mpfr_const_catalan) (x, MPFR_RNDN);
mpfr_mul_2ui (x, x, 32, MPFR_RNDN);
if (mpfr_cmp_ui (x, 3934042271UL))
{
printf ("Error in const_catalan for prec=32\n");
exit (1);
}
mpfr_clear (x);
test_generic (MPFR_PREC_MIN, 200, 1);
tests_end_mpfr ();
return 0;
}
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