arb/fmpr/test/t-get_d.c
2015-11-05 18:03:08 +00:00

69 lines
1.9 KiB
C

/*=============================================================================
This file is part of ARB.
ARB is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
ARB 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with ARB; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2012 Fredrik Johansson
******************************************************************************/
#include "fmpr.h"
int main()
{
slong iter;
flint_rand_t state;
printf("get_d....");
fflush(stdout);
flint_randinit(state);
/* test exact roundtrip */
for (iter = 0; iter < 100000; iter++)
{
fmpr_t x, z;
double y;
fmpr_init(x);
fmpr_init(z);
fmpr_randtest_special(x, state, 53, 8);
y = fmpr_get_d(x, FMPR_RND_DOWN);
fmpr_set_d(z, y);
if (!fmpr_equal(x, z))
{
printf("FAIL:\n\n");
printf("x = "); fmpr_print(x); printf("\n\n");
printf("y = %.17g\n\n", y);
printf("z = "); fmpr_print(z); printf("\n\n");
abort();
}
fmpr_clear(x);
fmpr_clear(z);
}
flint_randclear(state);
flint_cleanup();
printf("PASS\n");
return EXIT_SUCCESS;
}