trimmed result array so that result._nonZeroValues only contains NonZeroCount elements instead of _nonZeroValues.Length

src/Numerics/LinearAlgebra/Complex/SparseVector.cs

@@ -749,10 +749,11 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
                     sparseResult.NonZerosCount = NonZerosCount;
                     sparseResult._nonZeroIndices = new int[NonZerosCount];
                     Buffer.BlockCopy(_nonZeroIndices, 0, sparseResult._nonZeroIndices, 0, NonZerosCount * Constants.SizeOfInt);
-                    sparseResult._nonZeroValues = new Complex[_nonZeroValues.Length];
+                    sparseResult._nonZeroValues = new Complex[NonZerosCount];
+                    Array.Copy(_nonZeroValues, sparseResult._nonZeroValues, NonZerosCount);
                 }
-                
-                Control.LinearAlgebraProvider.ScaleArray(scalar, _nonZeroValues, sparseResult._nonZeroValues);
+
+                Control.LinearAlgebraProvider.ScaleArray(scalar, sparseResult._nonZeroValues, sparseResult._nonZeroValues);
             }
         }
 

src/Numerics/LinearAlgebra/Complex32/SparseVector.cs

@@ -779,10 +779,11 @@ namespace MathNet.Numerics.LinearAlgebra.Complex32
                     sparseResult.NonZerosCount = NonZerosCount;
                     sparseResult._nonZeroIndices = new int[NonZerosCount];
                     Buffer.BlockCopy(_nonZeroIndices, 0, sparseResult._nonZeroIndices, 0, NonZerosCount * Constants.SizeOfInt);
-                    sparseResult._nonZeroValues = new Complex32[_nonZeroValues.Length];
+                    sparseResult._nonZeroValues = new Complex32[NonZerosCount];
+                    Array.Copy(_nonZeroValues, sparseResult._nonZeroValues, NonZerosCount);
                 }
 
-                Control.LinearAlgebraProvider.ScaleArray(scalar, _nonZeroValues, sparseResult._nonZeroValues);
+                Control.LinearAlgebraProvider.ScaleArray(scalar, sparseResult._nonZeroValues, sparseResult._nonZeroValues);
             }
         }
 

src/Numerics/LinearAlgebra/Double/SparseVector.cs

@@ -723,10 +723,11 @@ namespace MathNet.Numerics.LinearAlgebra.Double
                     sparseResult.NonZerosCount = NonZerosCount;
                     sparseResult._nonZeroIndices = new int[NonZerosCount];
                     Buffer.BlockCopy(_nonZeroIndices, 0, sparseResult._nonZeroIndices, 0, NonZerosCount * Constants.SizeOfInt);
-                    sparseResult._nonZeroValues = new double[_nonZeroValues.Length];
+                    sparseResult._nonZeroValues = new double[NonZerosCount];
+                    Buffer.BlockCopy(_nonZeroValues, 0, sparseResult._nonZeroValues, 0, NonZerosCount * Constants.SizeOfDouble);
                 }
 
-                Control.LinearAlgebraProvider.ScaleArray(scalar, _nonZeroValues, sparseResult._nonZeroValues);
+                Control.LinearAlgebraProvider.ScaleArray(scalar, sparseResult._nonZeroValues, sparseResult._nonZeroValues);
             }
         }
 

src/Numerics/LinearAlgebra/Single/SparseVector.cs

@@ -731,10 +731,11 @@ namespace MathNet.Numerics.LinearAlgebra.Single
                     sparseResult.NonZerosCount = NonZerosCount;
                     sparseResult._nonZeroIndices = new int[NonZerosCount];
                     Buffer.BlockCopy(_nonZeroIndices, 0, sparseResult._nonZeroIndices, 0, NonZerosCount * Constants.SizeOfInt);
-                    sparseResult._nonZeroValues = new float[_nonZeroValues.Length];
+                    sparseResult._nonZeroValues = new float[NonZerosCount];
+                    Buffer.BlockCopy(_nonZeroValues, 0, sparseResult._nonZeroValues, 0, NonZerosCount * Constants.SizeOfFloat);
                 }
 
-                Control.LinearAlgebraProvider.ScaleArray(scalar, _nonZeroValues, sparseResult._nonZeroValues);
+                Control.LinearAlgebraProvider.ScaleArray(scalar, sparseResult._nonZeroValues, sparseResult._nonZeroValues);
             }
         }