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-rw-r--r--chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx b/chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx
index 6236f73b398d..6726d9d78b36 100644
--- a/chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx
+++ b/chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx
@@ -84,6 +84,8 @@ void MovingAverageRegressionCurveCalculator::calculateValuesCentral(
RegressionCalculationHelper::tDoubleVectorPair aValues)
{
const size_t aSize = aValues.first.size();
+ if (aSize == 0)
+ return;
for (size_t i = mPeriod - 1; i < aSize; ++i)
{
double yAvg = 0.0;