diff options
Diffstat (limited to 'Help/guide/tutorial/Step2/MathFunctions')
5 files changed, 38 insertions, 1 deletions
diff --git a/Help/guide/tutorial/Step2/MathFunctions/CMakeLists.txt b/Help/guide/tutorial/Step2/MathFunctions/CMakeLists.txt index b7779b7..c468b0e 100644 --- a/Help/guide/tutorial/Step2/MathFunctions/CMakeLists.txt +++ b/Help/guide/tutorial/Step2/MathFunctions/CMakeLists.txt @@ -1,2 +1,7 @@ # TODO 1: Add a library called MathFunctions # Hint: You will need the add_library command + +# TODO 7: Create a variable USE_MYMATH using option and set default to ON + +# TODO 8: If USE_MYMATH is ON, use target_compile_definitions to pass +# USE_MYMATH as a precompiled definition to our source files diff --git a/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.cxx b/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.cxx new file mode 100644 index 0000000..781d0ec --- /dev/null +++ b/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.cxx @@ -0,0 +1,15 @@ +#include "MathFunctions.h" + +// TODO 11: include cmath + +// TODO 10: Wrap the mysqrt include in a precompiled ifdef based on USE_MYMATH +#include "mysqrt.h" + +namespace mathfunctions { +double sqrt(double x) +{ + // TODO 9: If USE_MYMATH is defined, use detail::mysqrt. + // Otherwise, use std::sqrt. + return detail::mysqrt(x); +} +} diff --git a/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.h b/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.h index cd36bcc..d5c2f22 100644 --- a/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.h +++ b/Help/guide/tutorial/Step2/MathFunctions/MathFunctions.h @@ -1 +1,5 @@ -double mysqrt(double x); +#pragma once + +namespace mathfunctions { +double sqrt(double x); +} diff --git a/Help/guide/tutorial/Step2/MathFunctions/mysqrt.cxx b/Help/guide/tutorial/Step2/MathFunctions/mysqrt.cxx index 1e4d97a..ba0ac64 100644 --- a/Help/guide/tutorial/Step2/MathFunctions/mysqrt.cxx +++ b/Help/guide/tutorial/Step2/MathFunctions/mysqrt.cxx @@ -1,5 +1,9 @@ +#include "mysqrt.h" + #include <iostream> +namespace mathfunctions { +namespace detail { // a hack square root calculation using simple operations double mysqrt(double x) { @@ -20,3 +24,5 @@ double mysqrt(double x) } return result; } +} +} diff --git a/Help/guide/tutorial/Step2/MathFunctions/mysqrt.h b/Help/guide/tutorial/Step2/MathFunctions/mysqrt.h new file mode 100644 index 0000000..593d41e --- /dev/null +++ b/Help/guide/tutorial/Step2/MathFunctions/mysqrt.h @@ -0,0 +1,7 @@ +#pragma once + +namespace mathfunctions { +namespace detail { +double mysqrt(double x); +} +} |