chart2/source/view/charttypes/Splines.cxx | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
New commits:
commit d3280eb3b47472ab3fc6946d475a7b9c6c55c381
Author: Andreas Heinisch <andreas.heini...@yahoo.de>
AuthorDate: Wed May 12 10:33:14 2021 +0200
Commit: Xisco Fauli <xiscofa...@libreoffice.org>
CommitDate: Wed Jul 7 15:24:33 2021 +0200
tdf#110993 - Corrected spline calculation
The algorithm in Numerical Recipies in C, 2nd edition in Section 3.3,
page 166 states a division rather than a multiplication.
Change-Id: I2530c506bc48726539e3de99016892e50d6bb87e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115465
Tested-by: Jenkins
Reviewed-by: Andreas Heinisch <andreas.heini...@yahoo.de>
(cherry picked from commit e6442b39836f9856aa7b87d1a840158f0cb7d9c4)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117974
Reviewed-by: Xisco Fauli <xiscofa...@libreoffice.org>
diff --git a/chart2/source/view/charttypes/Splines.cxx
b/chart2/source/view/charttypes/Splines.cxx
index 774d5fc1d7ac..338179b2827c 100644
--- a/chart2/source/view/charttypes/Splines.cxx
+++ b/chart2/source/view/charttypes/Splines.cxx
@@ -198,7 +198,7 @@ void lcl_SplineCalculation::Calculate()
( m_fYpN - ( m_aPoints[ n ].second - m_aPoints[ n - 1 ].second ) /
xDiff );
}
- m_aSecDerivY[ n ] = ( un - qn * u[ n - 1 ] ) * ( qn * m_aSecDerivY[ n - 1
] + 1.0 );
+ m_aSecDerivY[ n ] = ( un - qn * u[ n - 1 ] ) / ( qn * m_aSecDerivY[ n - 1
] + 1.0 );
// note: the algorithm in [1] iterates from n-1 to 0, but as size_type
// may be (usually is) an unsigned type, we can not write k >= 0, as this
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