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Date: Sat, 3 Dec 2005 02:59:31 +0100 (CET)
From: "David Bertoni (JIRA)" <xalan-dev@xml.apache.org>
To: xalan-dev@xml.apache.org
Subject: [jira] Assigned: (XALANC-588) Floating point exceptions in
 DoubleSupport::initialize() on Solaris 10 (x86)
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     [ http://issues.apache.org/jira/browse/XALANC-588?page=all ]

David Bertoni reassigned XALANC-588:
------------------------------------

    Assign To: David Bertoni

> Floating point exceptions in DoubleSupport::initialize() on Solaris 10 (x86)
> ----------------------------------------------------------------------------
>
>          Key: XALANC-588
>          URL: http://issues.apache.org/jira/browse/XALANC-588
>      Project: XalanC
>         Type: Bug
>   Components: XalanC
>     Versions: 1.10
>  Environment: Sun Solaris 10, Opteron chipset (x86/i386). XercesC++ 2.7  XalanC 1.10
> $ CC -V
> CC: Sun C++ 5.7 Patch 117831-02 2005/03/30
> $ cc -V
> cc: Sun C 5.7 Patch 117837-04 2005/05/11
> usage: cc [ options] files.  Use 'cc -flags' for details
>     Reporter: Sean Pearce
>     Assignee: David Bertoni

>
> A couple of issues.
> Prior to compiling, XERCESCROOT and XALANCROOT are configured to point the their respective foliders, and the configurations used as follows:
> Xerces: ./runConfigure -p solaris -c cc -x CC -b 64 -P $P4SRCROOT/Tools/libs/64/SUN/xerces-c_2_7_0
> Xalan:   ./runConfigure -p solaris -c cc -x CC -b 64 -P $P4SRCROOT/Tools/libs/64/SUN/xalanc_1_10
> 1) To compile on this platform, the 'solaris' entries in runConfigure had to be changed to use option '-xarch=amd64' in place of '-xarch=v9' (for XercesC and XalanC)
> 2) After building the libraries, our program was crashing in XalanTransformer::initialize(); (after calling XMLPlatformUtils::Initialize(); of course), with a Floating Point Exception (FPE) in:
> void
> DoubleSupport::initialize()
> {
> #if defined(XALAN_NO_STD_NUMERIC_LIMITS)
>     // We initialize this at here because some
>     // platforms have had issues with signals
>     // if we call sqrt(-2.01) during static
>     // initialization.
> #if defined(XALAN_STRICT_ANSI_HEADERS)
>     s_NaN.d = std::sqrt(-2.01);
> #else
>     s_NaN.d = sqrt(-2.01);
> #endif
> #elif !defined(XALAN_NO_STD_NAMESPACE)
>     // There seems to be problems with various standard libraries, so
>     // this is disabled for now.  We need to revisit this when we
>     // update our autoconf/automake system to detect the right value
>     // for NaN at configuration time.
>     // XALAN_STATIC_ASSERT(std::numeric_limits<double>::has_quiet_NaN);
> #endif
> Removing  #define XALAN_NO_STD_NUMERIC_LIMITS from the Include/SolarisDefinitions.hpp fixes this problem.

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