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/* tdiv_si.c -- Test mpfi_div_si.
Copyright 2010,
Spaces project, Inria Lorraine
and Salsa project, INRIA Rocquencourt,
and Arenaire project, Inria Rhone-Alpes, France
and Lab. ANO, USTL (Univ. of Lille), France
This file is part of the MPFI Library.
The MPFI 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 MPFI 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 MPFI Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "mpfi-tests.h"
void
check_underflow (void)
{
mpfi_t got, expected;
long si = 1024;
int inex;
mpfi_init2 (got, 128);
mpfi_init2 (expected, 128);
mpfi_set_ui (expected, 0);
mpfr_nextbelow (&(expected->left));
mpfr_nextabove (&(expected->right));
inex = mpfi_div_si (got, expected, si);
if (!MPFI_BOTH_ARE_INEXACT(inex)
|| !same_mpfr_value (&(got->left), &(expected->left))
|| !same_mpfr_value (&(got->right), &(expected->right))) {
printf ("Error: mpfi_div_si (rop, op, si) does not return correct value\n"
"op = ");
mpfi_out_str (stdout, 16, 0, expected);
printf ("\nsi = %ld\ngot = ", si);
mpfi_out_str (stdout, 16, 0, got);
printf ("\nexpected = ");
mpfi_out_str (stdout, 16, 0, expected);
printf ("\n");
if (!MPFI_BOTH_ARE_INEXACT(inex)) {
printf ("return value = %d\nexpected = %d\n", inex,
MPFI_FLAGS_BOTH_ENDPOINTS_INEXACT);
}
exit (1);
}
mpfi_clear (got);
mpfi_clear (expected);
}
int
main (int argc, char **argv)
{
struct mpfi_function_t i_div_si;
mpfi_fun_init_IIS (&i_div_si, mpfi_div_si, mpfr_div_si);
test_start ();
check_data (&i_div_si, "div_si.dat");
check_random (&i_div_si, 2, 1000, 10);
check_underflow ();
test_end ();
mpfi_fun_clear (&i_div_si);
return 0;
}
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