Attachment 311661 Details for Bug 455167 – Test program that causes the crashes depending on the precision value selected by uncommenting the particularly desired value.

Test program that causes the crashes depending on the precision value selected by uncommenting the particularly desired value.

mpfr_test.cc (text/x-c++src), 1.50 KB, created by c.h. on 2008-07-13 11:24:17 UTC

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Creator: c.h.

Created: 2008-07-13 11:24:17 UTC

Size: 1.50 KB

patch

obsolete

>#include <stdio.h>
>#include <unistd.h>
>#include <stdlib.h>
>
>#include <gmp.h>
>#include <mpfr.h>
>
>//#define PRECISION_DESIRED	68*1024*1024
>//#define PRECISION_DESIRED	48*1024*1024
>//#define PRECISION_DESIRED	36*1024*1024
>//#define PRECISION_DESIRED	33*1024*1024
>#define PRECISION_DESIRED	20*1024*1024
>//#define PRECISION_DESIRED	1*1024*1024
>//#define PRECISION_DESIRED	1024
>
>#define	MP_ROUNDING		GMP_RNDN
>
>int main (void)
>{
>  int			retcode;
>  FILE			*f_sqrt3;
>  mpfr_t		mp_three, mp_sqrt3;
>  size_t		output_count;
>
>  if( PRECISION_DESIRED >= MPFR_PREC_MAX ) {
>    fprintf(stderr, "Desired precision too large; limit = %d\n", MPFR_PREC_MAX );
>    exit(-1);
>  }
>
>  f_sqrt3		= fopen("mpfr_sqrt3.txt", "w");
>
>  if( f_sqrt3 == NULL ) {
>    fprintf( stderr, "Can't open f_sqrt3!\n");
>    exit(-1);
>  }
>
>  fprintf(stderr,"Initializing...\n");
>
>  mpfr_set_default_prec (PRECISION_DESIRED );
>
>  fprintf(stderr,"Initializing...\n");
>
>  mpfr_init2 (mp_three,			PRECISION_DESIRED);
>  mpfr_init2 (mp_sqrt3,			PRECISION_DESIRED);
>
>  fprintf(stderr,"Initializing...\n");
>  fflush(stderr);
>
>  // mp_three		= 3
>  retcode		= mpfr_set_ui(mp_three,		3L,	MP_ROUNDING );
>
>  // mp_sqrt3		= sqrt(3)
>  fprintf(stderr,"Calculating mp_sqrt3...\n");
>  fflush(stderr);
>  retcode		= mpfr_sqrt_ui(mp_sqrt3,	3L,		MP_ROUNDING );
>  retcode		= mpfr_sqrt(mp_sqrt3,		mp_three,	MP_ROUNDING );
>
>  fprintf(stderr,"Writing mp_sqrt3...\n");
>  fflush(stderr);
>  output_count	= mpfr_out_str (f_sqrt3, 10, 0,	mp_sqrt3,	MP_ROUNDING);
>  fflush(f_sqrt3);
>  fclose(f_sqrt3);
>
>  return 0;
>
>}

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Attachments on bug 455167: 311660 | 311661