C++ (Cpp) mpfr_cmp_ld 예제들

예제 #1

파일: tcmp_ld.c 프로젝트: STAR111/GCC_parser

int
main (void)
{
  mpfr_t x;
  int c;

  tests_start_mpfr ();

  mpfr_init2(x, MPFR_LDBL_MANT_DIG);

  mpfr_set_ld (x, 2.34763465, GMP_RNDN);
  if (mpfr_cmp_ld(x, 2.34763465)!=0) {
    printf("Error in mpfr_cmp_ld 2.34763465 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.345)<=0) {
    printf("Error in mpfr_cmp_ld 2.345 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.4)>=0) {
    printf("Error in mpfr_cmp_ld 2.4 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, GMP_RNDZ);
  mpfr_neg (x, x, GMP_RNDZ);
  if (mpfr_cmp_ld (x, 0.0)) {
    printf("Error in mpfr_cmp_ld 0.0 and ");
    mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, GMP_RNDN);
  mpfr_ui_div (x, 1, x, GMP_RNDU);
  if (mpfr_cmp_ld (x, 0.0) == 0)
    {
      printf ("Error in mpfr_cmp_ld (Inf, 0)\n");
      exit (1);
    }

  /* Check NAN */
  mpfr_clear_erangeflag ();
  c = mpfr_cmp_ld (x, DBL_NAN);
  if (c != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for NAN (1)\n");
      exit (1);
    }
  mpfr_set_nan (x);
  mpfr_clear_erangeflag ();
  c = mpfr_cmp_ld (x, 2.0);
  if (c != 0 || !mpfr_erangeflag_p ())
    {
      printf ("ERROR for NAN (2)\n");
      exit (1);
    }


  mpfr_clear(x);

  tests_end_mpfr ();
  return 0;
}

예제 #2

파일: tcmp_ld.c 프로젝트: Canar/mpfr

int
main (void)
{
  mpfr_t x;

  tests_start_mpfr ();

  mpfr_init2(x, MPFR_LDBL_MANT_DIG);

  mpfr_set_ld (x, 2.34763465L, MPFR_RNDN);
  if (mpfr_cmp_ld(x, 2.34763465L)!=0) {
    printf("Error in mpfr_cmp_ld 2.34763465 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.345L)<=0) {
    printf("Error in mpfr_cmp_ld 2.345 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }
  if (mpfr_cmp_ld(x, 2.4L)>=0) {
    printf("Error in mpfr_cmp_ld 2.4 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, MPFR_RNDZ);
  mpfr_neg (x, x, MPFR_RNDZ);
  if (mpfr_cmp_ld (x, 0.0)) {
    printf("Error in mpfr_cmp_ld 0.0 and ");
    mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
    exit(1);
  }

  mpfr_set_ui (x, 0, MPFR_RNDN);
  mpfr_ui_div (x, 1, x, MPFR_RNDU);
  if (mpfr_cmp_ld (x, 0.0) == 0)
    {
      printf ("Error in mpfr_cmp_ld (Inf, 0)\n");
      exit (1);
    }

#if !defined(MPFR_ERRDIVZERO)
  /* Check NAN */
  {
    int c;

    mpfr_clear_erangeflag ();
    c = mpfr_cmp_ld (x, DBL_NAN);
    if (c != 0 || !mpfr_erangeflag_p ())
      {
        printf ("ERROR for NAN (1)\n");
#ifdef MPFR_NANISNAN
        printf ("The reason is that NAN == NAN. Please look at the configure "
                "output\nand Section \"In case of problem\" of the INSTALL "
                "file.\n");
#endif
        exit (1);
      }
    mpfr_set_nan (x);
    mpfr_clear_erangeflag ();
    c = mpfr_cmp_ld (x, 2.0);
    if (c != 0 || !mpfr_erangeflag_p ())
      {
        printf ("ERROR for NAN (2)\n");
#ifdef MPFR_NANISNAN
        printf ("The reason is that NAN == NAN. Please look at the configure "
                "output\nand Section \"In case of problem\" of the INSTALL "
                "file.\n");
#endif
        exit (1);
      }
  }
#endif  /* MPFR_ERRDIVZERO */

  mpfr_clear(x);

  tests_end_mpfr ();
  return 0;
}