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[Bug fortran/48979] FRACTION und EXPONENT return invalid results for infinity/NaN
- From: "fxcoudert at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 11 Oct 2014 16:58:04 +0000
- Subject: [Bug fortran/48979] FRACTION und EXPONENT return invalid results for infinity/NaN
- Auto-submitted: auto-generated
- References: <bug-48979-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48979
--- Comment #18 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
Author: fxcoudert
Date: Sat Oct 11 16:57:32 2014
New Revision: 216120
URL: https://gcc.gnu.org/viewcvs?rev=216120&root=gcc&view=rev
Log:
PR fortran/48979
* simplify.c (gfc_simplify_atan): Use mpfr_zero_p to check for zeros.
(gfc_simplify_log): Likewise.
(gfc_simplify_scale): Likewise.
(gfc_simplify_exponent): Handle infinities and NaNs.
(gfc_simplify_fraction): Handle infinities.
(gfc_simplify_rrspacing): Handle signed zeros and NaNs.
(gfc_simplify_set_exponent): Handle infinities and NaNs.
(gfc_simplify_spacing): Handle zeros, infinities and NaNs.
* gfortran.dg/ieee/intrinsics_1.f90: New test.
Added:
trunk/gcc/testsuite/gfortran.dg/ieee/intrinsics_1.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/simplify.c
trunk/gcc/testsuite/ChangeLog