STYLE: Replace postfix by prefix increment in C++ for loops

Applied to the src directory, at the GNU bash prompt:

    find . -exec perl -pi -w -e 's/(\s+for \(.*;.*); (\w+)\+\+\)/$1; ++$2)/g;' {} \;

Follow-up to ITK pull request InsightSoftwareConsortium/ITK#2505
commit InsightSoftwareConsortium/ITK@878fa6f
"STYLE: Replace postfix by prefix increment in `for` loops in Examples"

Author: N-Dekker

src/Core/Common/ComputeTimeBetweenPoints/Code.cxx

@@ -25,7 +25,7 @@
 void
 LongFunction()
 {
-  for (int i = 0; i < itk::NumericTraits<int>::max() / 100; i++)
+  for (int i = 0; i < itk::NumericTraits<int>::max() / 100; ++i)
   {
     double a = 0;
     (void)a;

src/Core/Common/ConvertArrayToImage/Code.cxx

@@ -66,13 +66,13 @@ main()
   const double radius2 = radius * radius;
   PixelType *  it = localBuffer;
 
-  for (unsigned int z = 0; z < size[2]; z++)
+  for (unsigned int z = 0; z < size[2]; ++z)
   {
     const double dz = static_cast<double>(z) - static_cast<double>(size[2]) / 2.0;
-    for (unsigned int y = 0; y < size[1]; y++)
+    for (unsigned int y = 0; y < size[1]; ++y)
     {
       const double dy = static_cast<double>(y) - static_cast<double>(size[1]) / 2.0;
-      for (unsigned int x = 0; x < size[0]; x++)
+      for (unsigned int x = 0; x < size[0]; ++x)
       {
         const double dx = static_cast<double>(x) - static_cast<double>(size[0]) / 2.0;
         const double d2 = dx * dx + dy * dy + dz * dz;

src/Core/Common/CovariantVectorNorm/Code.cxx

@@ -45,7 +45,7 @@ main()
   // another way to normalize
   if (vnorm != 0.)
   {
-    for (unsigned int i = 0; i < u.GetNumberOfComponents(); i++)
+    for (unsigned int i = 0; i < u.GetNumberOfComponents(); ++i)
     {
       u[i] /= vnorm;
     }

src/Core/Common/CreateABackwardDifferenceOperator/Code.cxx

@@ -39,7 +39,7 @@ main()
 
   std::cout << backwardDifferenceOperator << std::endl;
 
-  for (unsigned int i = 0; i < 9; i++)
+  for (unsigned int i = 0; i < 9; ++i)
   {
     std::cout << backwardDifferenceOperator.GetOffset(i) << " " << backwardDifferenceOperator.GetElement(i)
               << std::endl;

src/Core/Common/CreateDerivativeKernel/Code.cxx

@@ -31,7 +31,7 @@ main()
 
   std::cout << derivativeOperator << std::endl;
 
-  for (unsigned int i = 0; i < 9; i++)
+  for (unsigned int i = 0; i < 9; ++i)
   {
     std::cout << derivativeOperator.GetOffset(i) << " " << derivativeOperator.GetElement(i) << std::endl;
   }

src/Core/Common/CreateForwardDifferenceKernel/Code.cxx

@@ -31,7 +31,7 @@ main()
 
   std::cout << forwardDifferenceOperator << std::endl;
 
-  for (unsigned int i = 0; i < 9; i++)
+  for (unsigned int i = 0; i < 9; ++i)
   {
     std::cout << forwardDifferenceOperator.GetOffset(i) << " " << forwardDifferenceOperator.GetElement(i) << std::endl;
   }

src/Core/Common/CreateGaussianDerivativeKernel/Code.cxx

@@ -31,7 +31,7 @@ main()
 
   std::cout << gaussianDerivativeOperator << std::endl;
 
-  for (unsigned int i = 0; i < 9; i++)
+  for (unsigned int i = 0; i < 9; ++i)
   {
     std::cout << gaussianDerivativeOperator.GetOffset(i) << " " << gaussianDerivativeOperator.GetElement(i)
               << std::endl;

src/Core/Common/CreateGaussianKernel/Code.cxx

@@ -31,7 +31,7 @@ main()
 
   std::cout << gaussianOperator << std::endl;
 
-  for (unsigned int i = 0; i < 9; i++)
+  for (unsigned int i = 0; i < 9; ++i)
   {
     std::cout << gaussianOperator.GetOffset(i) << " " << gaussianOperator.GetElement(i) << std::endl;
   }

src/Core/Common/CreateLaplacianKernel/Code.cxx

@@ -30,7 +30,7 @@ main()
 
   std::cout << laplacianOperator << std::endl;
 
-  for (unsigned int i = 0; i < laplacianOperator.GetSize()[0] * laplacianOperator.GetSize()[1]; i++)
+  for (unsigned int i = 0; i < laplacianOperator.GetSize()[0] * laplacianOperator.GetSize()[1]; ++i)
   {
     std::cout << laplacianOperator.GetOffset(i) << " " << laplacianOperator.GetElement(i) << std::endl;
   }

src/Core/Common/CreateSobelKernel/Code.cxx

@@ -29,7 +29,7 @@ main()
 
   std::cout << sobelOperator << std::endl;
 
-  for (unsigned int i = 0; i < 9; i++)
+  for (unsigned int i = 0; i < 9; ++i)
   {
     std::cout << sobelOperator.GetElement(i) << std::endl;
   }