ENH: 'static' is added to template definitions

patented/vtkMarchingCubes.cxx

@@ -116,7 +116,7 @@ void vtkMarchingCubes::GenerateValues(int numContours, float r1, float r2)
 // Calculate the gradient using central difference.
 // NOTE: We calculate the negative of the gradient for efficiency
 template <class T>
-void ComputePointGradient(int i, int j, int k, T *s, int dims[3], 
+static void ComputePointGradient(int i, int j, int k, T *s, int dims[3], 
                           int sliceSize, float aspectRatio[3], float n[3])
 {
   float sp, sm;
@@ -186,7 +186,7 @@ void ComputePointGradient(int i, int j, int k, T *s, int dims[3],
 // Contouring filter specialized for volumes and "short int" data values.  
 //
 template <class T>
-void ContourVolume(T *scalars, int dims[3], float origin[3], float aspectRatio[3],
+static void ContourVolume(T *scalars, int dims[3], float origin[3], float aspectRatio[3],
 		   vtkPointLocator *locator, vtkScalars *newScalars, 
                    vtkFloatVectors *newGradients, vtkFloatNormals *newNormals, 
                    vtkCellArray *newPolys, float *values, int numValues)

patented/vtkMarchingSquares.cxx

@@ -132,7 +132,7 @@ void vtkMarchingSquares::SetImageRange(int imin, int imax, int jmin, int jmax,
 // Contouring filter specialized for images
 //
 template <class T>
-void ContourImage(T *scalars, vtkScalars *newScalars, int roi[6], int dir[3],
+static void ContourImage(T *scalars, vtkScalars *newScalars, int roi[6], int dir[3],
                   int start[2], int end[2], int offset[3], float ar[3], 
                   float origin[3], float *values, int numValues, 
                   vtkPointLocator *p, vtkCellArray *lines)

patented/vtkSliceCubes.cxx

@@ -69,7 +69,7 @@ void vtkSliceCubes::Update()
 // Calculate the gradient using central difference.
 // NOTE: We calculate the negative of the gradient for efficiency
 template <class T>
-void ComputePointGradient(int i, int j, int k, int dims[3], 
+static void ComputePointGradient(int i, int j, int k, int dims[3], 
                           float aspectRatio[3], float n[3],
                           T *s0, T *s1, T *s2)
 {
@@ -139,7 +139,7 @@ void ComputePointGradient(int i, int j, int k, int dims[3],
 }
 
 template <class T, class S>
-int Contour(T *slice, S *scalars, int imageRange[2], int dims[3], float origin[3],
+static int Contour(T *slice, S *scalars, int imageRange[2], int dims[3], float origin[3],
             float aspectRatio[3], float value, float xmin[3], float xmax[3],
             FILE *outFP, vtkVolumeReader *reader, int debug)
 {