Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

Tests/Tutorial/Step5/MathFunctions/MakeTable.cxx

@@ -2,34 +2,31 @@
 #include <math.h>
 #include <stdio.h>
 
-int main (int argc, char *argv[])
+int main(int argc, char* argv[])
 {
   int i;
   double result;
 
   // make sure we have enough arguments
-  if (argc < 2)
-    {
+  if (argc < 2) {
     return 1;
-    }
+  }
 
   // open the output file
-  FILE *fout = fopen(argv[1],"w");
-  if (!fout)
-    {
+  FILE* fout = fopen(argv[1], "w");
+  if (!fout) {
     return 1;
-    }
+  }
 
   // create a source file with a table of square roots
-  fprintf(fout,"double sqrtTable[] = {\n");
-  for (i = 0; i < 10; ++i)
-    {
+  fprintf(fout, "double sqrtTable[] = {\n");
+  for (i = 0; i < 10; ++i) {
     result = sqrt(static_cast<double>(i));
-    fprintf(fout,"%g,\n",result);
-    }
+    fprintf(fout, "%g,\n", result);
+  }
 
   // close the table with a zero
-  fprintf(fout,"0};\n");
+  fprintf(fout, "0};\n");
   fclose(fout);
   return 0;
 }

Tests/Tutorial/Step5/MathFunctions/mysqrt.cxx

@@ -10,10 +10,9 @@
 // a hack square root calculation using simple operations
 double mysqrt(double x)
 {
-  if (x <= 0)
-    {
+  if (x <= 0) {
     return 0;
-    }
+  }
 
   double result;
 
@@ -22,23 +21,20 @@ double mysqrt(double x)
 
   // use the table to help find an initial value
   result = x;
-  if (x >= 1 && x < 10)
-    {
+  if (x >= 1 && x < 10) {
     result = sqrtTable[static_cast<int>(x)];
-    }
+  }
 
   // do ten iterations
   int i;
-  for (i = 0; i < 10; ++i)
-    {
-    if (result <= 0)
-      {
+  for (i = 0; i < 10; ++i) {
+    if (result <= 0) {
       result = 0.1;
-      }
-    delta = x - (result*result);
-    result = result + 0.5*delta/result;
-    fprintf(stdout,"Computing sqrt of %g to be %g\n",x,result);
     }
+    delta = x - (result * result);
+    result = result + 0.5 * delta / result;
+    fprintf(stdout, "Computing sqrt of %g to be %g\n", x, result);
+  }
 
   return result;
 }

Tests/Tutorial/Step5/tutorial.cxx

@@ -8,31 +8,26 @@
 #include "MathFunctions.h"
 #endif
 
-int main (int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-  if (argc < 2)
-    {
-    fprintf(stdout,"%s Version %d.%d\n",
-            argv[0],
-            Tutorial_VERSION_MAJOR,
+  if (argc < 2) {
+    fprintf(stdout, "%s Version %d.%d\n", argv[0], Tutorial_VERSION_MAJOR,
             Tutorial_VERSION_MINOR);
-    fprintf(stdout,"Usage: %s number\n",argv[0]);
+    fprintf(stdout, "Usage: %s number\n", argv[0]);
     return 1;
-    }
+  }
 
   double inputValue = atof(argv[1]);
   double outputValue = 0;
 
-  if(inputValue >= 0)
-    {
+  if (inputValue >= 0) {
 #ifdef USE_MYMATH
     outputValue = mysqrt(inputValue);
 #else
     outputValue = sqrt(inputValue);
 #endif
-    }
+  }
 
-  fprintf(stdout,"The square root of %g is %g\n",
-          inputValue, outputValue);
+  fprintf(stdout, "The square root of %g is %g\n", inputValue, outputValue);
   return 0;
 }