diff options
| author | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-07-21 11:54:27 +0000 |
|---|---|---|
| committer | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-07-21 11:54:27 +0000 |
| commit | eb429e06e58399fde96c4b57d5fc749606db6091 (patch) | |
| tree | eb32a590b892e8caf501e4b6d7803bb72a37b2fc /libgfortran/io/read.c | |
| parent | 9e8bea80804e1fbff4a86996d5b99564c357c8e8 (diff) | |
| download | gcc-eb429e06e58399fde96c4b57d5fc749606db6091.tar.gz | |
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* libgfortran.h (GFC_FPE_DOWNWARD, GFC_FPE_TONEAREST,
GFC_FPE_TOWARDZERO, GFC_FPE_UPWARD): New defines.
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* libgfortran.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): New prototypes.
* config/fpu-387.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): New functions.
* config/fpu-aix.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-generic.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-glibc.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-sysv.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* configure.ac: Check for fp_rnd and fp_rnd_t.
* io/io.h (enum unit_round): Use GFC_FPE_* for the value.
* io/read.c (convert_real): Set FP ronding mode.
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* gfortran.dg/round_4.f90: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201093 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgfortran/io/read.c')
| -rw-r--r-- | libgfortran/io/read.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libgfortran/io/read.c b/libgfortran/io/read.c index d7d5c4167c7..e35b1a06168 100644 --- a/libgfortran/io/read.c +++ b/libgfortran/io/read.c @@ -129,6 +129,24 @@ int convert_real (st_parameter_dt *dtp, void *dest, const char *buffer, int length) { char *endptr = NULL; + int round_mode, old_round_mode; + + switch (dtp->u.p.current_unit->round_status) + { + case ROUND_COMPATIBLE: + /* FIXME: As NEAREST but round away from zero for a tie. */ + case ROUND_UNSPECIFIED: + /* Should not occur. */ + case ROUND_PROCDEFINED: + round_mode = ROUND_NEAREST; + break; + default: + round_mode = dtp->u.p.current_unit->round_status; + break; + } + + old_round_mode = get_fpu_rounding_mode(); + set_fpu_rounding_mode (round_mode); switch (length) { @@ -167,6 +185,8 @@ convert_real (st_parameter_dt *dtp, void *dest, const char *buffer, int length) internal_error (&dtp->common, "Unsupported real kind during IO"); } + set_fpu_rounding_mode (old_round_mode); + if (buffer == endptr) { generate_error (&dtp->common, LIBERROR_READ_VALUE, |