From 3767f1ca97ac6dcacce110089fd7247669ab8e5b Mon Sep 17 00:00:00 2001 From: Krzysztof Kosi??ski Date: Wed, 15 Jul 2015 20:47:16 +0200 Subject: Update 2Geom to r2421, fix SBasis derivatives. Fixes LP bug #1473317. Fixed bugs: - https://launchpad.net/bugs/1473317 (bzr r14248) --- src/2geom/sbasis.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'src/2geom/sbasis.cpp') diff --git a/src/2geom/sbasis.cpp b/src/2geom/sbasis.cpp index 4f1df621e..42d92d7b8 100644 --- a/src/2geom/sbasis.cpp +++ b/src/2geom/sbasis.cpp @@ -328,9 +328,9 @@ SBasis derivative(SBasis const &a) { } int k = a.size()-1; double d = (2*k+1)*(a[k][1] - a[k][0]); - if(d == 0) + if (d == 0 && k > 0) { c.pop_back(); - else { + } else { c[k][0] = d; c[k][1] = d; } @@ -351,9 +351,9 @@ void SBasis::derive() { // in place version } int k = size()-1; double d = (2*k+1)*((*this)[k][1] - (*this)[k][0]); - if(d == 0) + if (d == 0 && k > 0) { pop_back(); - else { + } else { (*this)[k][0] = d; (*this)[k][1] = d; } -- cgit v1.2.3