COMP: Style, change template variable name

From `N` to `VN` to comply with style

Author: phcerdan

include/itkInd2Sub.h

@@ -37,33 +37,33 @@ namespace itk
  *
  * @return FixedArray with subindexes: [i,j,k, ...
  */
-template <unsigned int N>
-FixedArray<unsigned int, N>
-Ind2Sub(const unsigned int & linear_index, const FixedArray<unsigned int, N> & ns)
+template <unsigned int VN>
+FixedArray<unsigned int, VN>
+Ind2Sub(const unsigned int & linear_index, const FixedArray<unsigned int, VN> & ns)
 {
-  for (unsigned int d = 0; d < N; ++d)
+  for (unsigned int d = 0; d < VN; ++d)
   {
     if (ns[d] == 0)
       throw std::runtime_error("itk::Ind2Sub: input size cannot be zero");
   }
 
   // accumulative product.
-  FixedArray<unsigned int, N> cumprod;
-  unsigned int                accum = 1;
+  FixedArray<unsigned int, VN> cumprod;
+  unsigned int                 accum = 1;
   cumprod[0] = accum;
-  for (unsigned int d = 1; d < N; ++d)
+  for (unsigned int d = 1; d < VN; ++d)
   {
     accum *= ns[d - 1];
     cumprod[d] = accum;
   }
-  unsigned int max_index = accum * ns[N - 1] - 1;
+  unsigned int max_index = accum * ns[VN - 1] - 1;
   if (linear_index > max_index)
     throw std::runtime_error("itk::Ind2Sub: input index is incompatible with the given size");
 
-  FixedArray<unsigned int, N> out;
-  unsigned int                temp_index(linear_index);
+  FixedArray<unsigned int, VN> out;
+  unsigned int                 temp_index(linear_index);
   // loop well defined. it will go to > N after --0
-  for (unsigned int i = N - 1; i < N; --i)
+  for (unsigned int i = VN - 1; i < VN; --i)
   {
     unsigned int rem = (temp_index) % cumprod[i];
     out[i] = (temp_index - rem) / cumprod[i];
@@ -77,18 +77,18 @@ Ind2Sub(const unsigned int & linear_index, const FixedArray<unsigned int, N> & n
  * @brief Return SubIndex [i,j,k,...] from linear index and matrix size.
  * \sa Ind2Sub
  */
-template <unsigned int N>
-itk::Index<N>
-Ind2Sub(const unsigned int & linear_index, const itk::Size<N> & ns)
+template <unsigned int VN>
+itk::Index<VN>
+Ind2Sub(const unsigned int & linear_index, const itk::Size<VN> & ns)
 {
-  FixedArray<unsigned int, N> ns_array;
-  for (unsigned int d = 0; d < N; ++d)
+  FixedArray<unsigned int, VN> ns_array;
+  for (unsigned int d = 0; d < VN; ++d)
   {
     ns_array[d] = ns[d];
   }
-  FixedArray<unsigned int, N> out_array = Ind2Sub<N>(linear_index, ns_array);
-  itk::Index<N>               out_index;
-  for (unsigned int d = 0; d < N; ++d)
+  FixedArray<unsigned int, VN> out_array = Ind2Sub<VN>(linear_index, ns_array);
+  itk::Index<VN>               out_index;
+  for (unsigned int d = 0; d < VN; ++d)
   {
     out_index[d] = out_array[d];
   }