Fixed index that would cause crash with two point, two derivative interpolation. Added static_cast.

2 files changed, 2 insertions, 2 deletions

diff --git a/unsupported/Eigen/src/Splines/SplineFitting.h b/unsupported/Eigen/src/Splines/SplineFitting.h
index 85de38b25..d3c245fa9 100644
--- a/unsupported/Eigen/src/Splines/SplineFitting.h
+++ b/unsupported/Eigen/src/Splines/SplineFitting.h
@@ -128,7 +128,7 @@ namespace Eigen
 
     newKnotIndex = -1;
   
-    ParameterVectorType temporaryParameters(numParameters);
+    ParameterVectorType temporaryParameters(numParameters + 1);
     KnotVectorType derivativeKnots(numInternalDerivatives);
     for (unsigned int i = 0; i < numAverageKnots - 1; ++i)
     {
diff --git a/unsupported/test/splines.cpp b/unsupported/test/splines.cpp
index 0b43eefb8..97665af96 100644
--- a/unsupported/test/splines.cpp
+++ b/unsupported/test/splines.cpp
@@ -252,7 +252,7 @@ void check_global_interpolation_with_derivatives2d()
   VectorXd derivativeIndices(numPoints);
 
   for (Eigen::DenseIndex i = 0; i < numPoints; ++i)
-    derivativeIndices(i) = i;
+      derivativeIndices(i) = static_cast<double>(i);
 
   const Spline2d spline = SplineFitting<Spline2d>::InterpolateWithDerivatives(
     points, derivatives, derivativeIndices, degree);