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re PR libfortran/57496 (I/O: WRITE(*,*) HUGE(0._10) gives SIGFPE with -ffpe-trap=overflow) 

2013-06-01  Tobias Burnus  <burnus@net-b.de>

        PR fortran/57496
        * io/write_float.def (ISFINITE2Q, ISFINITE2, ISFINITE2L,
        * ISFINITE,
        SIGNBIT2Q, SIGNBIT2, SIGNBIT2L, SIGNBIT, ISNAN2Q, ISNAN2,
        ISNAN2L, ISNAN): New macros.
        (output_float_FMT_G_,WRITE_FLOAT): Use them.

From-SVN: r199598
This commit is contained in:
Tobias Burnus 2013-06-03 11:20:46 +02:00
parent 7ddffc7fb5
commit c2b2130c71
2 changed files with 56 additions and 20 deletions
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40
libgfortran/ChangeLog
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@ -1,3 +1,11 @@
2013-06-01 Tobias Burnus <burnus@net-b.de>
PR fortran/57496
* io/write_float.def (ISFINITE2Q, ISFINITE2, ISFINITE2L, ISFINITE,
SIGNBIT2Q, SIGNBIT2, SIGNBIT2L, SIGNBIT, ISNAN2Q, ISNAN2, ISNAN2L,
ISNAN): New macros.
(output_float_FMT_G_,WRITE_FLOAT): Use them.
2013-05-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* acinclude.m4 (libgfor_cv_have_as_needed): Check for -z ignore, too.
@ -19,25 +27,25 @@
2013-04-29 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/system_clock (gf_gettime_mono): Use variable
resolution for fractional seconds argument.
(system_clock_4): Simplify, update for gf_gettime_mono change.
(system_clock_8): Likewise.
* intrinsics/system_clock (gf_gettime_mono): Use variable
resolution for fractional seconds argument.
(system_clock_4): Simplify, update for gf_gettime_mono change.
(system_clock_8): Likewise.
2013-04-29 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/56981
* io/transfer.c (next_record_w_unf): First fix head marker, then
write tail.
(next_record): Call flush_if_unbuffered.
* io/unix.c (struct unix_stream): Add field unbuffered.
(flush_if_unbuffered): New function.
(fd_to_stream): New argument.
(open_external): Fix fd_to_stream call.
(input_stream): Likewise.
(output_stream): Likewise.
(error_stream): Likewise.
* io/unix.h (flush_if_unbuffered): New prototype.
PR fortran/56981
* io/transfer.c (next_record_w_unf): First fix head marker, then
write tail.
(next_record): Call flush_if_unbuffered.
* io/unix.c (struct unix_stream): Add field unbuffered.
(flush_if_unbuffered): New function.
(fd_to_stream): New argument.
(open_external): Fix fd_to_stream call.
(input_stream): Likewise.
(output_stream): Likewise.
(error_stream): Likewise.
* io/unix.h (flush_if_unbuffered): New prototype.
2013-04-28 Janne Blomqvist <jb@gcc.gnu.org>

36
libgfortran/io/write_float.def
View File

@ -961,6 +961,34 @@ __qmath_(quadmath_snprintf) (buffer, size, "%+-#.*Qf", \
#endif
#if defined(GFC_REAL_16_IS_FLOAT128)
#define ISFINITE2Q(val) finiteq(val)
#endif
#define ISFINITE2(val) isfinite(val)
#define ISFINITE2L(val) isfinite(val)
#define ISFINITE(suff,val) TOKENPASTE(ISFINITE2,suff)(val)
#if defined(GFC_REAL_16_IS_FLOAT128)
#define SIGNBIT2Q(val) signbitq(val)
#endif
#define SIGNBIT2(val) signbit(val)
#define SIGNBIT2L(val) signbit(val)
#define SIGNBIT(suff,val) TOKENPASTE(SIGNBIT2,suff)(val)
#if defined(GFC_REAL_16_IS_FLOAT128)
#define ISNAN2Q(val) isnanq(val)
#endif
#define ISNAN2(val) isnan(val)
#define ISNAN2L(val) isnan(val)
#define ISNAN(suff,val) TOKENPASTE(ISNAN2,suff)(val)
/* Generate corresponding I/O format for FMT_G and output.
The rules to translate FMT_G to FMT_E or FMT_F from DEC fortran
LRM (table 11-2, Chapter 11, "I/O Formatting", P11-25) is:
@ -1127,7 +1155,7 @@ OUTPUT_FLOAT_FMT_G(16,L)
{\
GFC_REAL_ ## x tmp; \
tmp = * (GFC_REAL_ ## x *)source; \
if (isfinite (tmp)) \
if (ISFINITE (y,tmp)) \
nprinted = DTOA(y,0,tmp); \
else\
nprinted = -1;\
@ -1194,10 +1222,10 @@ determine_en_precision (st_parameter_dt *dtp, const fnode *f,
{\
GFC_REAL_ ## x tmp;\
tmp = * (GFC_REAL_ ## x *)source;\
sign_bit = signbit (tmp);\
if (!isfinite (tmp))\
sign_bit = SIGNBIT (y,tmp);\
if (!ISFINITE (y,tmp))\
{ \
write_infnan (dtp, f, isnan (tmp), sign_bit);\
write_infnan (dtp, f, ISNAN (y,tmp), sign_bit);\
return;\
}\
tmp = sign_bit ? -tmp : tmp;\