mirror of https://github.com/macssh/macssh.git
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
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/* Test file for mpfr_set_z.
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Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
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This file is part of the MPFR Library.
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The MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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The MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with the MPFR Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#include <stdlib.h>
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#include <unistd.h>
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#include "gmp.h"
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#include "mpfr.h"
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/* tset_z z rnd prec */
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void check(long i, unsigned char rnd) {
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mpfr_t f; mpz_t z;
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mpfr_init2(f, 53); mpz_init(z);
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mpz_set_ui(z, i);
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mpfr_set_z(f, z, rnd);
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if ((long)mpfr_get_d(f) != i) {
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printf("Error in mpfr_set_z for i=%ld rnd_mode=%d\n",i,rnd);
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exit(1);
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}
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mpfr_clear(f); mpz_clear(z);
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}
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void check_large()
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{
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mpz_t z; mpfr_t x,y;
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mpz_init(z); mpfr_init2(x, 160); mpfr_init2(y, 160);
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mpz_set_str(z, "77031627725494291259359895954016675357279104942148788042", 10);
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mpfr_set_z(x, z, GMP_RNDN);
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mpfr_set_str_raw(y, "0.1100100100001111110110101010001000100001011010001100001000110100110001001100011001100010100010111000000011011100000111001101000100101001000000100100111000001001E186");
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if (mpfr_cmp(x,y)) {
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fprintf(stderr, "Error in mpfr_set_z on large input\n"); exit(1);
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}
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mpz_clear(z); mpfr_clear(x); mpfr_clear(y);
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}
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int main(argc,argv) int argc; char *argv[];
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{
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long j;
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check_large();
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srand(getpid());
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for (j=0; j<1000000; j++)
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check(lrand48(), rand()%4);
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exit (0);
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}
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