diff options
Diffstat (limited to 'gcc/fortran/simplify.c')
| -rw-r--r-- | gcc/fortran/simplify.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index fa6396b..942f2ee 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -6061,8 +6061,8 @@ norm2_add_squared (gfc_expr *result, gfc_expr *e) gfc_set_model_kind (result->ts.kind); int index = gfc_validate_kind (BT_REAL, result->ts.kind, false); - mpfr_exp_t exp; - if (mpfr_regular_p (result->value.real)) + mp_exp_t exp; + if (mpfr_number_p (result->value.real) && !mpfr_zero_p (result->value.real)) { exp = mpfr_get_exp (result->value.real); /* If result is getting close to overflowing, scale down. */ @@ -6076,7 +6076,7 @@ norm2_add_squared (gfc_expr *result, gfc_expr *e) } mpfr_init (tmp); - if (mpfr_regular_p (e->value.real)) + if (mpfr_number_p (e->value.real) && !mpfr_zero_p (e->value.real)) { exp = mpfr_get_exp (e->value.real); /* If e**2 would overflow or close to overflowing, scale down. */ @@ -6117,7 +6117,9 @@ norm2_do_sqrt (gfc_expr *result, gfc_expr *e) if (result != e) mpfr_set (result->value.real, e->value.real, GFC_RND_MODE); mpfr_sqrt (result->value.real, result->value.real, GFC_RND_MODE); - if (norm2_scale && mpfr_regular_p (result->value.real)) + if (norm2_scale + && mpfr_number_p (result->value.real) + && !mpfr_zero_p (result->value.real)) { mpfr_t tmp; mpfr_init (tmp); @@ -6156,7 +6158,9 @@ gfc_simplify_norm2 (gfc_expr *e, gfc_expr *dim) result = simplify_transformation_to_scalar (result, e, NULL, norm2_add_squared); mpfr_sqrt (result->value.real, result->value.real, GFC_RND_MODE); - if (norm2_scale && mpfr_regular_p (result->value.real)) + if (norm2_scale + && mpfr_number_p (result->value.real) + && !mpfr_zero_p (result->value.real)) { mpfr_t tmp; mpfr_init (tmp); |