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re PR fortran/37803 (Call mpfr_check_range after setting emin/emax)

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2008-11-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/37803
	* arith.c (gfc_check_real_range): Add mpfr_check_range.
	* simplify.c (gfc_simplify_nearest): Add mpfr_check_range.

From-SVN: r142187
This commit is contained in:
Jerry DeLisle 2008-11-25 05:55:55 +00:00
parent 58e99d9a79
commit ca4300857f
3 changed files with 8 additions and 0 deletions
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6
gcc/fortran/ChangeLog
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@ -1,3 +1,9 @@
2008-11-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/37803
* arith.c (gfc_check_real_range): Add mpfr_check_range.
* simplify.c (gfc_simplify_nearest): Add mpfr_check_range.
2008-11-24 Mikael Morin <mikael.morin@tele2.fr>
PR fortran/38184

1
gcc/fortran/arith.c
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@ -379,6 +379,7 @@ gfc_check_real_range (mpfr_t p, int kind)
en = gfc_real_kinds[i].min_exponent - gfc_real_kinds[i].digits + 1;
mpfr_set_emin ((mp_exp_t) en);
mpfr_set_emax ((mp_exp_t) gfc_real_kinds[i].max_exponent);
mpfr_check_range (q, 0, GFC_RND_MODE);
mpfr_subnormalize (q, 0, GFC_RND_MODE);
/* Reset emin and emax. */

1
gcc/fortran/simplify.c
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@ -2993,6 +2993,7 @@ gfc_simplify_nearest (gfc_expr *x, gfc_expr *s)
mpfr_set_emin ((mp_exp_t) gfc_real_kinds[kind].min_exponent -
mpfr_get_prec(result->value.real) + 1);
mpfr_set_emax ((mp_exp_t) gfc_real_kinds[kind].max_exponent - 1);
mpfr_check_range (result->value.real, 0, GMP_RNDU);
if (mpfr_sgn (s->value.real) > 0)
{