diff options
Diffstat (limited to 'Tests/Tutorial')
-rw-r--r-- | Tests/Tutorial/Step1/CMakeLists.txt | 19 | ||||
-rw-r--r-- | Tests/Tutorial/Step1/TutorialConfig.h.in | 4 | ||||
-rw-r--r-- | Tests/Tutorial/Step1/tutorial.cxx | 22 | ||||
-rw-r--r-- | Tests/Tutorial/Step2/CMakeLists.txt | 30 | ||||
-rw-r--r-- | Tests/Tutorial/Step2/MathFunctions/CMakeLists.txt | 1 | ||||
-rw-r--r-- | Tests/Tutorial/Step2/MathFunctions/MathFunctions.h | 1 | ||||
-rw-r--r-- | Tests/Tutorial/Step2/MathFunctions/mysqrt.cxx | 29 | ||||
-rw-r--r-- | Tests/Tutorial/Step2/TutorialConfig.h.in | 5 | ||||
-rw-r--r-- | Tests/Tutorial/Step2/tutorial.cxx | 33 |
9 files changed, 144 insertions, 0 deletions
diff --git a/Tests/Tutorial/Step1/CMakeLists.txt b/Tests/Tutorial/Step1/CMakeLists.txt new file mode 100644 index 0000000..9691eee --- /dev/null +++ b/Tests/Tutorial/Step1/CMakeLists.txt @@ -0,0 +1,19 @@ +project (Tutorial) + +# The version number. +set (Tutorial_VERSION_MAJOR 1) +set (Tutorial_VERSION_MINOR 0) + +# configure a header file to pass some of the CMake settings +# to the source code +configure_file ( + "${PROJECT_SOURCE_DIR}/TutorialConfig.h.in" + "${PROJECT_BINARY_DIR}/TutorialConfig.h" + ) + +# add the binary tree to the search path for include files +# so that we will find TutorialConfig.h +include_directories("${PROJECT_BINARY_DIR}") + +# add the executable +add_executable(Tutorial tutorial.cxx) diff --git a/Tests/Tutorial/Step1/TutorialConfig.h.in b/Tests/Tutorial/Step1/TutorialConfig.h.in new file mode 100644 index 0000000..5395a06 --- /dev/null +++ b/Tests/Tutorial/Step1/TutorialConfig.h.in @@ -0,0 +1,4 @@ +// the configured options and settings for Tutorial +#define Tutorial_VERSION_MAJOR @Tutorial_VERSION_MAJOR@ +#define Tutorial_VERSION_MINOR @Tutorial_VERSION_MINOR@ + diff --git a/Tests/Tutorial/Step1/tutorial.cxx b/Tests/Tutorial/Step1/tutorial.cxx new file mode 100644 index 0000000..94c65bc --- /dev/null +++ b/Tests/Tutorial/Step1/tutorial.cxx @@ -0,0 +1,22 @@ +// A simple program that computes the square root of a number +#include <stdio.h> +#include <math.h> +#include "TutorialConfig.h" + +int main (int argc, char *argv[]) +{ + if (argc < 2) + { + fprintf(stdout,"%s Version %d.%d\n", + argv[0], + Tutorial_VERSION_MAJOR, + Tutorial_VERSION_MINOR); + fprintf(stdout,"Usage: %s number\n",argv[0]); + return 1; + } + double inputValue = atof(argv[1]); + double outputValue = sqrt(inputValue); + fprintf(stdout,"The square root of %g is %g\n", + inputValue, outputValue); + return 0; +} diff --git a/Tests/Tutorial/Step2/CMakeLists.txt b/Tests/Tutorial/Step2/CMakeLists.txt new file mode 100644 index 0000000..7f12051 --- /dev/null +++ b/Tests/Tutorial/Step2/CMakeLists.txt @@ -0,0 +1,30 @@ +project (Tutorial) + +# The version number. +set (Tutorial_VERSION_MAJOR 1) +set (Tutorial_VERSION_MINOR 0) + +# configure a header file to pass some of the CMake settings +# to the source code +configure_file ( + "${PROJECT_SOURCE_DIR}/TutorialConfig.h.in" + "${PROJECT_BINARY_DIR}/TutorialConfig.h" + ) + +# should we use our own math functions +option(USE_MYMATH "Use tutorial provided math implementation" ON) + +# add the binary tree to the search path for include files +# so that we will find TutorialConfig.h +include_directories ("${PROJECT_BINARY_DIR}") + +# add the MathFunctions library? +if (USE_MYMATH) + include_directories ("${PROJECT_SOURCE_DIR}/MathFunctions") + add_subdirectory (MathFunctions) + set (EXTRA_LIBS ${EXTRA_LIBS} MathFunctions) +endif (USE_MYMATH) + +# add the executable +add_executable (Tutorial tutorial.cxx) +target_link_libraries (Tutorial ${EXTRA_LIBS}) diff --git a/Tests/Tutorial/Step2/MathFunctions/CMakeLists.txt b/Tests/Tutorial/Step2/MathFunctions/CMakeLists.txt new file mode 100644 index 0000000..8b443a6 --- /dev/null +++ b/Tests/Tutorial/Step2/MathFunctions/CMakeLists.txt @@ -0,0 +1 @@ +add_library(MathFunctions mysqrt.cxx) diff --git a/Tests/Tutorial/Step2/MathFunctions/MathFunctions.h b/Tests/Tutorial/Step2/MathFunctions/MathFunctions.h new file mode 100644 index 0000000..cd36bcc --- /dev/null +++ b/Tests/Tutorial/Step2/MathFunctions/MathFunctions.h @@ -0,0 +1 @@ +double mysqrt(double x); diff --git a/Tests/Tutorial/Step2/MathFunctions/mysqrt.cxx b/Tests/Tutorial/Step2/MathFunctions/mysqrt.cxx new file mode 100644 index 0000000..76b8e2d --- /dev/null +++ b/Tests/Tutorial/Step2/MathFunctions/mysqrt.cxx @@ -0,0 +1,29 @@ +#include <stdio.h> +#include "MathFunctions.h" + +// a hack square root calculation using simple operations +double mysqrt(double x) +{ + if (x <= 0) + { + return 0; + } + + double result; + double delta; + result = x; + + // do ten iterations + int i; + for (i = 0; i < 10; ++i) + { + if (result <= 0) + { + result = 0.1; + } + delta = x - (result*result); + result = result + 0.5*delta/result; + fprintf(stdout,"Computing sqrt of %g to be %g\n",x,result); + } + return result; +} diff --git a/Tests/Tutorial/Step2/TutorialConfig.h.in b/Tests/Tutorial/Step2/TutorialConfig.h.in new file mode 100644 index 0000000..25a0602 --- /dev/null +++ b/Tests/Tutorial/Step2/TutorialConfig.h.in @@ -0,0 +1,5 @@ +// the configured options and settings for Tutorial +#define Tutorial_VERSION_MAJOR @Tutorial_VERSION_MAJOR@ +#define Tutorial_VERSION_MINOR @Tutorial_VERSION_MINOR@ +#cmakedefine USE_MYMATH + 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; +} |