commit 13a2ca25e4b16a6ac310c03ec9b543c774a0df6c
author Caolán McNamara <caolanm@redhat.com> Mon Apr 17 09:38:45 2023 +0100
committer Caolán McNamara <caolanm@redhat.com> Mon Apr 17 17:03:26 2023 +0200
tree 94b3810c3deea8ed87bd60d3201e73996df6221d
parent 7773932ba7c4bafeed7fba0a5d87f75eed09f850

Resolves: tdf#146068 don't crash when MA(central) lacks data

Change-Id: I2c9b78f4d1a963bb71abb21068e61e6983ade777
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/150484
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx

diff --git a/chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx b/chart2/source/tools/MovingAverageRegressionCurveCalculator.cxx
index 6236f73..6726d9d 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;