chart2/source/view/charttypes/Splines.cxx | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
New commits: commit e6442b39836f9856aa7b87d1a840158f0cb7d9c4 Author: Andreas Heinisch <[email protected]> AuthorDate: Wed May 12 10:33:14 2021 +0200 Commit: Andreas Heinisch <[email protected]> CommitDate: Sat Jun 26 10:38:12 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 <[email protected]> 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 _______________________________________________ Libreoffice-commits mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/libreoffice-commits
