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SWIFT
SWIFTsim
Commits
cd218003
Commit
cd218003
authored
Oct 08, 2017
by
Matthieu Schaller
Browse files
Check whether feenableexcept() exists before using it.
parent
77cb85ee
Changes
2
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Inline
Side-by-side
configure.ac
View file @
cd218003
...
...
@@ -381,7 +381,7 @@ AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
AC_CHECK_LIB(pthread, pthread_barrier_init,
AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements barriers]),
AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
# Check for metis. Note AX_LIB_METIS exists, but cannot be configured
# to be default off (i.e. given no option it tries to locate METIS), so we
...
...
@@ -551,6 +551,10 @@ if test "$with_hdf5" = "yes"; then
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])
# Check for floating-point execeptions
AC_CHECK_FUNC(feenableexcept, AC_DEFINE([HAVE_FE_ENABLE_EXCEPT],[1],
[Defined if the floating-point exception can be enabled using non-standard GNU functions.]))
# Check for setaffinity.
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
[Defined if pthread_setaffinity_np exists.]) )
...
...
examples/main.c
View file @
cd218003
...
...
@@ -203,7 +203,11 @@ int main(int argc, char *argv[]) {
with_drift_all
=
1
;
break
;
case
'e'
:
#ifdef HAVE_FE_ENABLE_EXCEPT
with_fp_exceptions
=
1
;
#else
error
(
"Need support for floating point exception on this platform"
);
#endif
break
;
case
'f'
:
if
(
sscanf
(
optarg
,
"%llu"
,
&
cpufreq
)
!=
1
)
{
...
...
@@ -379,7 +383,9 @@ int main(int argc, char *argv[]) {
/* Do we choke on FP-exceptions ? */
if
(
with_fp_exceptions
)
{
#ifdef HAVE_FE_ENABLE_EXCEPT
feenableexcept
(
FE_DIVBYZERO
|
FE_INVALID
|
FE_OVERFLOW
);
#endif
if
(
myrank
==
0
)
message
(
"WARNING: Floating point exceptions will be reported."
);
}
...
...
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