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/* Test file for mpfr_set_z.
Copyright 1999, 2001, 2002 Free Software Foundation, Inc.
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 <unistd.h>
#include "gmp.h"
#include "mpfr.h"
void check _PROTO((long, unsigned char));
void check_large _PROTO((void));
void
check(long i, unsigned char rnd)
{
mpfr_t f; mpz_t z;
mpfr_init2(f, 53); mpz_init(z);
mpz_set_ui(z, i);
mpfr_set_z(f, z, rnd);
if ((long)mpfr_get_d(f) != i) {
printf("Error in mpfr_set_z for i=%ld rnd_mode=%d\n",i,rnd);
exit(1);
}
mpfr_clear(f); mpz_clear(z);
}
void
check_large (void)
{
mpz_t z; mpfr_t x,y;
mpz_init(z); mpfr_init2(x, 160); mpfr_init2(y, 160);
mpz_set_str(z, "77031627725494291259359895954016675357279104942148788042", 10);
mpfr_set_z(x, z, GMP_RNDN);
mpfr_set_str_raw(y, "0.1100100100001111110110101010001000100001011010001100001000110100110001001100011001100010100010111000000011011100000111001101000100101001000000100100111000001001E186");
if (mpfr_cmp(x,y)) {
fprintf(stderr, "Error in mpfr_set_z on large input\n"); exit(1);
}
mpz_clear(z); mpfr_clear(x); mpfr_clear(y);
}
/* tset_z z rnd prec */
int
main (int argc, char *argv[])
{
long j;
check_large();
srand(getpid());
check(0, 0);
for (j=0; j<1000000; j++)
check(lrand48(), rand()%4);
return 0;
}
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