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Diffstat (limited to 'Tests/Tutorial/Step2/tutorial.cxx')
-rw-r--r-- | Tests/Tutorial/Step2/tutorial.cxx | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Tests/Tutorial/Step2/tutorial.cxx b/Tests/Tutorial/Step2/tutorial.cxx new file mode 100644 index 0000000..e1f9cd8 --- /dev/null +++ b/Tests/Tutorial/Step2/tutorial.cxx @@ -0,0 +1,33 @@ +// A simple program that computes the square root of a number +#include <stdio.h> +#include <math.h> +#include "TutorialConfig.h" + +#ifdef USE_MYMATH +#include "MathFunctions.h" +#endif + +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]); + +#ifdef USE_MYMATH + double outputValue = mysqrt(inputValue); +#else + double outputValue = sqrt(inputValue); +#endif + + fprintf(stdout,"The square root of %g is %g\n", + inputValue, outputValue); + return 0; +} |