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-rw-r--r--Tests/Tutorial/Step1/tutorial.cxx23
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diff --git a/Tests/Tutorial/Step1/tutorial.cxx b/Tests/Tutorial/Step1/tutorial.cxx
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+++ b/Tests/Tutorial/Step1/tutorial.cxx
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+// A simple program that computes the square root of a number
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "TutorialConfig.h"
+
+int main (int argc, char *argv[])
+{
+ 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]);
+ return 1;
+ }
+ double inputValue = atof(argv[1]);
+ double outputValue = sqrt(inputValue);
+ fprintf(stdout,"The square root of %g is %g\n",
+ inputValue, outputValue);
+ return 0;
+}