diff options
| author | Johan B. C. Engelen <jbc.engelen@swissonline.ch> | 2008-07-03 20:06:40 +0000 |
|---|---|---|
| committer | johanengelen <johanengelen@users.sourceforge.net> | 2008-07-03 20:06:40 +0000 |
| commit | e07de7ce18ff4cc440dc8947d61825122afea062 (patch) | |
| tree | 9ffdd823777582d6b5b8d3de135a03da42041402 /src/2geom/sbasis.cpp | |
| parent | Patch so Inkscape will compile on Solaris 10 from LP https://bugs.launchpad.n... (diff) | |
| download | inkscape-e07de7ce18ff4cc440dc8947d61825122afea062.tar.gz inkscape-e07de7ce18ff4cc440dc8947d61825122afea062.zip | |
update 2geom (svn rev1433)
(bzr r6134)
Diffstat (limited to 'src/2geom/sbasis.cpp')
| -rw-r--r-- | src/2geom/sbasis.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/2geom/sbasis.cpp b/src/2geom/sbasis.cpp index d7a3972e1..377238d92 100644 --- a/src/2geom/sbasis.cpp +++ b/src/2geom/sbasis.cpp @@ -33,8 +33,8 @@ #include <cmath> -#include "sbasis.h" -#include "isnan.h" +#include <2geom/sbasis.h> +#include <2geom/isnan.h> namespace Geom{ @@ -258,6 +258,8 @@ SBasis integral(SBasis const &c) { SBasis derivative(SBasis const &a) { SBasis c; c.resize(a.size(), Linear(0,0)); + if(a.isZero()) + return c; for(unsigned k = 0; k < a.size()-1; k++) { double d = (2*k+1)*(a[k][1] - a[k][0]); @@ -278,6 +280,7 @@ SBasis derivative(SBasis const &a) { } void SBasis::derive() { // in place version + if(isZero()) return; for(unsigned k = 0; k < size()-1; k++) { double d = (2*k+1)*((*this)[k][1] - (*this)[k][0]); |