2 files changed, 20 insertions, 28 deletions

diff --git a/Tests/Tutorial/Step4/MathFunctions/mysqrt.cxx b/Tests/Tutorial/Step4/MathFunctions/mysqrt.cxx
index bbd08fa..6ca264f 100644
--- a/Tests/Tutorial/Step4/MathFunctions/mysqrt.cxx
+++ b/Tests/Tutorial/Step4/MathFunctions/mysqrt.cxx
@@ -7,33 +7,30 @@
 // a hack square root calculation using simple operations
 double mysqrt(double x)
 {
-  if (x <= 0)
-    {
+  if (x <= 0) {
     return 0;
-    }
+  }
 
   double result;
 
-  // if we have both log and exp then use them
-#if defined(HAVE_LOG) && defined (HAVE_EXP)
-  result = exp(log(x)*0.5);
-  fprintf(stdout,"Computing sqrt of %g to be %g using log\n",x,result);
+// if we have both log and exp then use them
+#if defined(HAVE_LOG) && defined(HAVE_EXP)
+  result = exp(log(x) * 0.5);
+  fprintf(stdout, "Computing sqrt of %g to be %g using log\n", x, result);
 #else
   double delta;
   result = 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);
+  }
 #endif
   return result;
 }
diff --git a/Tests/Tutorial/Step4/tutorial.cxx b/Tests/Tutorial/Step4/tutorial.cxx
index af88dad..2fae364 100644
--- a/Tests/Tutorial/Step4/tutorial.cxx
+++ b/Tests/Tutorial/Step4/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;
 }