diff options
Diffstat (limited to 'Help/guide/tutorial/Step7')
| -rw-r--r-- | Help/guide/tutorial/Step7/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | Help/guide/tutorial/Step7/CTestConfig.cmake | 7 | ||||
| -rw-r--r-- | Help/guide/tutorial/Step7/License.txt | 2 | ||||
| -rw-r--r-- | Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt | 43 | ||||
| -rw-r--r-- | Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx | 17 |
5 files changed, 40 insertions, 31 deletions
diff --git a/Help/guide/tutorial/Step7/CMakeLists.txt b/Help/guide/tutorial/Step7/CMakeLists.txt index 82d00c8..3ac5cd6 100644 --- a/Help/guide/tutorial/Step7/CMakeLists.txt +++ b/Help/guide/tutorial/Step7/CMakeLists.txt @@ -37,7 +37,7 @@ install(FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h" ) # enable testing -enable_testing() +include(CTest) # does the application run add_test(NAME Runs COMMAND Tutorial 25) diff --git a/Help/guide/tutorial/Step7/CTestConfig.cmake b/Help/guide/tutorial/Step7/CTestConfig.cmake new file mode 100644 index 0000000..73efdb1 --- /dev/null +++ b/Help/guide/tutorial/Step7/CTestConfig.cmake @@ -0,0 +1,7 @@ +set(CTEST_PROJECT_NAME "CMakeTutorial") +set(CTEST_NIGHTLY_START_TIME "00:00:00 EST") + +set(CTEST_DROP_METHOD "http") +set(CTEST_DROP_SITE "my.cdash.org") +set(CTEST_DROP_LOCATION "/submit.php?project=CMakeTutorial") +set(CTEST_DROP_SITE_CDASH TRUE) diff --git a/Help/guide/tutorial/Step7/License.txt b/Help/guide/tutorial/Step7/License.txt deleted file mode 100644 index c62d00b..0000000 --- a/Help/guide/tutorial/Step7/License.txt +++ /dev/null @@ -1,2 +0,0 @@ -This is the open source License.txt file introduced in -CMake/Tutorial/Step7... diff --git a/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt b/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt index 9ede4b3..42e098a 100644 --- a/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt +++ b/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt @@ -1,29 +1,34 @@ -# first we add the executable that generates the table -add_executable(MakeTable MakeTable.cxx) - -# add the command to generate the source code -add_custom_command( - OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/Table.h - COMMAND MakeTable ${CMAKE_CURRENT_BINARY_DIR}/Table.h - DEPENDS MakeTable - ) - -# add the main library -add_library(MathFunctions - mysqrt.cxx - ${CMAKE_CURRENT_BINARY_DIR}/Table.h - ) +add_library(MathFunctions mysqrt.cxx) # state that anybody linking to us needs to include the current source dir # to find MathFunctions.h, while we don't. -# state that we depend on Tutorial_BINARY_DIR but consumers don't, as the -# TutorialConfig.h include is an implementation detail -# state that we depend on our binary dir to find Table.h target_include_directories(MathFunctions INTERFACE ${CMAKE_CURRENT_SOURCE_DIR} - PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ) +# does this system provide the log and exp functions? +include(CheckCXXSourceCompiles) +check_cxx_source_compiles(" + #include <cmath> + int main() { + std::log(1.0); + return 0; + } +" HAVE_LOG) +check_cxx_source_compiles(" + #include <cmath> + int main() { + std::exp(1.0); + return 0; + } +" HAVE_EXP) + +# add compile definitions +if(HAVE_LOG AND HAVE_EXP) + target_compile_definitions(MathFunctions + PRIVATE "HAVE_LOG" "HAVE_EXP") +endif() + # install rules install(TARGETS MathFunctions DESTINATION lib) install(FILES MathFunctions.h DESTINATION include) diff --git a/Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx b/Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx index 7d80ee9..7eecd26 100644 --- a/Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx +++ b/Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx @@ -1,10 +1,8 @@ +#include <cmath> #include <iostream> #include "MathFunctions.h" -// include the generated table -#include "Table.h" - // a hack square root calculation using simple operations double mysqrt(double x) { @@ -12,12 +10,13 @@ double mysqrt(double x) return 0; } - // use the table to help find an initial value + // if we have both log and exp then use them +#if defined(HAVE_LOG) && defined(HAVE_EXP) + double result = std::exp(std::log(x) * 0.5); + std::cout << "Computing sqrt of " << x << " to be " << result + << " using log and exp" << std::endl; +#else double result = x; - if (x >= 1 && x < 10) { - std::cout << "Use the table to help find an initial value " << std::endl; - result = sqrtTable[static_cast<int>(x)]; - } // do ten iterations for (int i = 0; i < 10; ++i) { @@ -28,6 +27,6 @@ double mysqrt(double x) result = result + 0.5 * delta / result; std::cout << "Computing sqrt of " << x << " to be " << result << std::endl; } - +#endif return result; } |