gentoo-overlay/sci-visualization/veusz/files/fix_spline.patch

# Upstream patch that fixes spline interpolation:
# https://github.com/veusz/veusz/commit/b4223800744034880fd1ca1165853636b31e576c
diff -Naur old/veusz/helpers/src/qtloops/beziers.cpp new/veusz/helpers/src/qtloops/beziers.cpp
--- old/veusz/helpers/src/qtloops/beziers.cpp	2017-09-23 11:10:46.000000000 +0300
+++ new/veusz/helpers/src/qtloops/beziers.cpp	2018-08-04 21:27:01.000000000 +0300
@@ -1013,8 +1013,8 @@
     return 0;
   }
 
-  // factor of 0.1 introduced by JSS to stop more hooks
-  double const allowed = L2(b - a)*0.1 + tolerance;
+  // factor of 0.2 introduced by JSS to stop more hooks
+  double const allowed = L2(b - a)*0.2 + tolerance;
   return dist / allowed;
   /** \todo 
    * effic: Hooks are very rare.  We could start by comparing