ENH: step 5

1 files changed, 35 insertions, 0 deletions

diff --git a/Tests/Tutorial/Step5/MathFunctions/MakeTable.cxx b/Tests/Tutorial/Step5/MathFunctions/MakeTable.cxx
new file mode 100644
index 0000000..23fa7d4
--- /dev/null
+++ b/Tests/Tutorial/Step5/MathFunctions/MakeTable.cxx
@@ -0,0 +1,35 @@
+// A simple program that builds a sqrt table 
+#include <stdio.h>
+#include <math.h>
+
+int main (int argc, char *argv[])
+{
+  int i;
+  double result;
+
+  // make sure we have enough arguments
+  if (argc < 2)
+    {
+    return 1;
+    }
+  
+  // open the output file
+  FILE *fout = fopen(argv[1],"w");
+  if (!fout)
+    {
+    return 1;
+    }
+  
+  // crate a source file with a tabel fo square roots
+  fprintf(fout,"double sqrtTable[] = {\n");
+  for (i = 0; i < 10; ++i)
+    {
+    result = sqrt(static_cast<double>(i));
+    fprintf(fout,"%g,\n",result);
+    }
+
+  // close the table with a zero
+  fprintf(fout,"0};\n");
+  fclose(fout);
+  return 0;
+}