summaryrefslogtreecommitdiffstats
path: root/Help/guide/tutorial/Step10/tutorial.cxx
diff options
context:
space:
mode:
authorMarkus Ferrell <markus.ferrell@kitware.com>2022-07-20 17:24:40 (GMT)
committerMarkus Ferrell <markus.ferrell@kitware.com>2022-08-08 21:15:48 (GMT)
commitccba87b05b022cc021580b65ae51bbae0002fadb (patch)
treee90c94d2bb65845b23c483dae801cfbd8cf498d3 /Help/guide/tutorial/Step10/tutorial.cxx
parentad20e7b2ae6e698b6778f0572f1a03fdf1fcacda (diff)
downloadCMake-ccba87b05b022cc021580b65ae51bbae0002fadb.zip
CMake-ccba87b05b022cc021580b65ae51bbae0002fadb.tar.gz
CMake-ccba87b05b022cc021580b65ae51bbae0002fadb.tar.bz2
Tutorial: Move step 10 to step 4
Shifts steps 4-9 to 5-10.
Diffstat (limited to 'Help/guide/tutorial/Step10/tutorial.cxx')
-rw-r--r--Help/guide/tutorial/Step10/tutorial.cxx15
1 files changed, 12 insertions, 3 deletions
diff --git a/Help/guide/tutorial/Step10/tutorial.cxx b/Help/guide/tutorial/Step10/tutorial.cxx
index 37a0333..b3c6a4f 100644
--- a/Help/guide/tutorial/Step10/tutorial.cxx
+++ b/Help/guide/tutorial/Step10/tutorial.cxx
@@ -1,11 +1,15 @@
// A simple program that computes the square root of a number
+#include <cmath>
#include <iostream>
-#include <sstream>
#include <string>
-#include "MathFunctions.h"
#include "TutorialConfig.h"
+// should we include the MathFunctions header?
+#ifdef USE_MYMATH
+# include "MathFunctions.h"
+#endif
+
int main(int argc, char* argv[])
{
if (argc < 2) {
@@ -19,7 +23,12 @@ int main(int argc, char* argv[])
// convert input to double
const double inputValue = std::stod(argv[1]);
- const double outputValue = mathfunctions::sqrt(inputValue);
+ // which square root function should we use?
+#ifdef USE_MYMATH
+ const double outputValue = mysqrt(inputValue);
+#else
+ const double outputValue = sqrt(inputValue);
+#endif
std::cout << "The square root of " << inputValue << " is " << outputValue
<< std::endl;