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| author | Betsy McPhail <betsy.mcphail@kitware.com> | 2019-07-26 16:46:08 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2019-08-19 15:49:05 (GMT) |
| commit | a36731c63460a41caae596b6dcbc75771a810549 (patch) | |
| tree | 28c38e2c540d20eacbcf58cbadc5694c8cda82bf /Help/guide/tutorial/Step7 | |
| parent | df9cdf629c5211282dcab2e4751f69032e25a244 (diff) | |
| download | CMake-a36731c63460a41caae596b6dcbc75771a810549.zip CMake-a36731c63460a41caae596b6dcbc75771a810549.tar.gz CMake-a36731c63460a41caae596b6dcbc75771a810549.tar.bz2 | |
Tutorial: Improve Step 6
* Print message when using the table
* Remove duplicated comment
* Remove HAVE_LOG and HAVE_EXP checks, use generated table instead
Diffstat (limited to 'Help/guide/tutorial/Step7')
| -rw-r--r-- | Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt | 11 | ||||
| -rw-r--r-- | Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx | 3 |
2 files changed, 1 insertions, 13 deletions
diff --git a/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt b/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt index 8cc3ae3..9ede4b3 100644 --- a/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt +++ b/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt @@ -24,17 +24,6 @@ target_include_directories(MathFunctions PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ) -# does this system provide the log and exp functions? -include(CheckSymbolExists) -set(CMAKE_REQUIRED_LIBRARIES "m") -check_symbol_exists(log "math.h" HAVE_LOG) -check_symbol_exists(exp "math.h" HAVE_EXP) - -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 eade98c..2ae60c6 100644 --- a/Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx +++ b/Help/guide/tutorial/Step7/MathFunctions/mysqrt.cxx @@ -4,8 +4,6 @@ // include the generated table #include "Table.h" -#include <cmath> - // a hack square root calculation using simple operations double mysqrt(double x) { @@ -16,6 +14,7 @@ double mysqrt(double x) // use the table to help find an initial value 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)]; } |