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COMP: scotchDecomp: floating point error checking

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This commit is contained in:
mattijs 2012-08-20 18:02:22 +01:00
parent bc976819b4
commit 34395ddcd4
2 changed files with 11 additions and 27 deletions
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18
src/parallel/decompose/ptscotchDecomp/ptscotchDecomp.C
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@ -129,17 +129,9 @@ extern "C"
// Hack: scotch generates floating point errors so need to switch of error
// trapping!
#if defined(linux) || defined(linuxAMD64) || defined(linuxIA64)
# define LINUX
#endif
#if defined(LINUX) && defined(__GNUC__)
# define LINUX_GNUC
#endif
#ifdef LINUX_GNUC
# ifndef __USE_GNU
# define __USE_GNU
#ifdef __GLIBC__
# ifndef _GNU_SOURCE
# define _GNU_SOURCE
# endif
# include <fenv.h>
#endif
@ -651,7 +643,7 @@ Foam::label Foam::ptscotchDecomp::decompose
// Hack:switch off fpu error trapping
# ifdef LINUX_GNUC
# ifdef FE_NOMASK_ENV
int oldExcepts = fedisableexcept
(
FE_DIVBYZERO
@ -681,7 +673,7 @@ Foam::label Foam::ptscotchDecomp::decompose
"SCOTCH_graphMap"
);
# ifdef LINUX_GNUC
# ifdef FE_NOMASK_ENV
feenableexcept(oldExcepts);
# endif

20
src/parallel/decompose/scotchDecomp/scotchDecomp.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2012 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -135,17 +135,9 @@ extern "C"
// Hack: scotch generates floating point errors so need to switch of error
// trapping!
#if defined(linux) || defined(linuxAMD64) || defined(linuxIA64)
# define LINUX
#endif
#if defined(LINUX) && defined(__GNUC__)
# define LINUX_GNUC
#endif
#ifdef LINUX_GNUC
# ifndef __USE_GNU
# define __USE_GNU
#ifdef __GLIBC__
# ifndef _GNU_SOURCE
# define _GNU_SOURCE
# endif
# include <fenv.h>
#endif
@ -503,7 +495,7 @@ Foam::label Foam::scotchDecomp::decomposeOneProc
// Hack:switch off fpu error trapping
# ifdef LINUX_GNUC
# ifdef FE_NOMASK_ENV
int oldExcepts = fedisableexcept
(
FE_DIVBYZERO
@ -526,7 +518,7 @@ Foam::label Foam::scotchDecomp::decomposeOneProc
"SCOTCH_graphMap"
);
# ifdef LINUX_GNUC
# ifdef FE_NOMASK_ENV
feenableexcept(oldExcepts);
# endif