diff options
Diffstat (limited to 'Help/guide/tutorial/Step9/tutorial.cxx')
| -rw-r--r-- | Help/guide/tutorial/Step9/tutorial.cxx | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Help/guide/tutorial/Step9/tutorial.cxx b/Help/guide/tutorial/Step9/tutorial.cxx index 3286bc8..b3c6a4f 100644 --- a/Help/guide/tutorial/Step9/tutorial.cxx +++ b/Help/guide/tutorial/Step9/tutorial.cxx @@ -1,7 +1,6 @@ // A simple program that computes the square root of a number #include <cmath> #include <iostream> -#include <sstream> #include <string> #include "TutorialConfig.h" @@ -21,13 +20,14 @@ int main(int argc, char* argv[]) return 1; } - double inputValue = std::stod(argv[1]); + // convert input to double + const double inputValue = std::stod(argv[1]); // which square root function should we use? #ifdef USE_MYMATH - double outputValue = mysqrt(inputValue); + const double outputValue = mysqrt(inputValue); #else - double outputValue = sqrt(inputValue); + const double outputValue = sqrt(inputValue); #endif std::cout << "The square root of " << inputValue << " is " << outputValue |