crash when first two curve points are at x=0, fixes #2888

2015-09-01 18:09:46 +02:00
parent 11d382d998
commit 98c1221908
1 changed files with 4 additions and 0 deletions
--- a/rtengine/diagonalcurves.cc
+++ b/rtengine/diagonalcurves.cc
@@ -70,6 +70,10 @@ DiagonalCurve::DiagonalCurve (const std::vector<double>& p, int poly_pn)
                identity = false;
            }

+            if(x[0] == 0.f && x[1] == 0.f)
+                // Avoid crash when first two points are at x = 0 (git Issue 2888)
+                x[1] = 0.5f;
+
            if (!identity) {
                if (kind == DCT_Spline && N > 2) {
                    spline_cubic_set ();