sc/source/core/tool/interpr3.cxx | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
New commits:
commit 32219f4d88efc5618718a13079ade0561dd0d14b
Author: Eike Rathke <er...@redhat.com>
Date: Tue May 9 14:40:43 2017 +0200
Guard against a failure when compiled with optimization using g++ 4.8.2
i.e. Linux-rpm_deb-x86_71-TDF
Change-Id: I4866eda4f87af3fd9b15ab24f549d1a1c6ae4ee7
diff --git a/sc/source/core/tool/interpr3.cxx b/sc/source/core/tool/interpr3.cxx
index 950648694db6..8937e666c865 100644
--- a/sc/source/core/tool/interpr3.cxx
+++ b/sc/source/core/tool/interpr3.cxx
@@ -2822,7 +2822,14 @@ void ScInterpreter::ScChiTest()
PushError(FormulaError::DivisionByZero);
return;
}
- fChi += sc::divide( (fValX - fValE) * (fValX - fValE),
fValE);
+ // These fTemp values guard against a failure when compiled
+ // with optimization (using g++ 4.8.2 on tinderbox 71-TDF),
+ // where ((fValX - fValE) * (fValX - fValE)) with
+ // fValE==1e+308 should had produced Infinity but did
+ // not, instead the result of divide() then was 1e+308.
+ volatile double fTemp1 = (fValX - fValE) * (fValX - fValE);
+ double fTemp2 = fTemp1;
+ fChi += sc::divide( fTemp2, fValE);
}
else
{
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