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author | DongHun Kwak <dh0128.kwak@samsung.com> | 2021-10-08 09:14:18 +0900 |
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committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2021-10-08 09:14:18 +0900 |
commit | d40909a98298a97d879ceeb3b29dcdc858e85628 (patch) | |
tree | 0a9255654a9376c5e9f29aa53d15f0ae173751a0 /Tests/Tutorial/Complete/MathFunctions | |
parent | c5223aaf98b2d10aee32aa614519ee7a23698998 (diff) | |
download | cmake-d40909a98298a97d879ceeb3b29dcdc858e85628.tar.gz cmake-d40909a98298a97d879ceeb3b29dcdc858e85628.tar.bz2 cmake-d40909a98298a97d879ceeb3b29dcdc858e85628.zip |
Imported Upstream version 3.16.0upstream/3.16.0
Diffstat (limited to 'Tests/Tutorial/Complete/MathFunctions')
6 files changed, 0 insertions, 176 deletions
diff --git a/Tests/Tutorial/Complete/MathFunctions/CMakeLists.txt b/Tests/Tutorial/Complete/MathFunctions/CMakeLists.txt deleted file mode 100644 index 161ad6449..000000000 --- a/Tests/Tutorial/Complete/MathFunctions/CMakeLists.txt +++ /dev/null @@ -1,68 +0,0 @@ - -# add the library that runs -add_library(MathFunctions MathFunctions.cxx) - -# state that anybody linking to us needs to include the current source dir -# to find MathFunctions.h, while we don't. -target_include_directories(MathFunctions - INTERFACE - $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> - $<INSTALL_INTERFACE:include> - ) - -# should we use our own math functions -option(USE_MYMATH "Use tutorial provided math implementation" ON) -if(USE_MYMATH) - - # 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) - - # 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 - ) - - # library that just does sqrt - add_library(SqrtLibrary STATIC - mysqrt.cxx - ${CMAKE_CURRENT_BINARY_DIR}/Table.h - ) - - # state that we depend on our binary dir to find Table.h - target_include_directories(SqrtLibrary PRIVATE - ${CMAKE_CURRENT_BINARY_DIR} - ) - - set_target_properties(SqrtLibrary PROPERTIES - POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS} - ) - - target_compile_definitions(SqrtLibrary PRIVATE - "$<$<BOOL:${HAVE_LOG}>:HAVE_LOG>" - "$<$<BOOL:${HAVE_EXP}>:HAVE_EXP>" - ) - target_link_libraries(MathFunctions PRIVATE SqrtLibrary) -endif() - -target_compile_definitions(MathFunctions PRIVATE "$<$<BOOL:${USE_MYMATH}>:USE_MYMATH>") - -# define the symbol stating we are using the declspec(dllexport) when -# building on windows -target_compile_definitions(MathFunctions PRIVATE "EXPORTING_MYMATH") - -# setup the version numbering -set_property(TARGET MathFunctions PROPERTY VERSION "1.0.0") -set_property(TARGET MathFunctions PROPERTY SOVERSION "1") - -install(TARGETS MathFunctions - DESTINATION lib - EXPORT MathFunctionsTargets) -install(FILES MathFunctions.h DESTINATION include) diff --git a/Tests/Tutorial/Complete/MathFunctions/MakeTable.cxx b/Tests/Tutorial/Complete/MathFunctions/MakeTable.cxx deleted file mode 100644 index ee585568c..000000000 --- a/Tests/Tutorial/Complete/MathFunctions/MakeTable.cxx +++ /dev/null @@ -1,25 +0,0 @@ -// A simple program that builds a sqrt table -#include <cmath> -#include <fstream> -#include <iostream> - -int main(int argc, char* argv[]) -{ - // make sure we have enough arguments - if (argc < 2) { - return 1; - } - - std::ofstream fout(argv[1], std::ios_base::out); - const bool fileOpen = fout.is_open(); - if (fileOpen) { - fout << "double sqrtTable[] = {" << std::endl; - for (int i = 0; i < 10; ++i) { - fout << sqrt(static_cast<double>(i)) << "," << std::endl; - } - // close the table with a zero - fout << "0};" << std::endl; - fout.close(); - } - return fileOpen ? 0 : 1; // return 0 if wrote the file -} diff --git a/Tests/Tutorial/Complete/MathFunctions/MathFunctions.cxx b/Tests/Tutorial/Complete/MathFunctions/MathFunctions.cxx deleted file mode 100644 index 5351184be..000000000 --- a/Tests/Tutorial/Complete/MathFunctions/MathFunctions.cxx +++ /dev/null @@ -1,18 +0,0 @@ - -#include "MathFunctions.h" -#include <cmath> - -#ifdef USE_MYMATH -# include "mysqrt.h" -#endif - -namespace mathfunctions { -double sqrt(double x) -{ -#ifdef USE_MYMATH - return detail::mysqrt(x); -#else - return std::sqrt(x); -#endif -} -} diff --git a/Tests/Tutorial/Complete/MathFunctions/MathFunctions.h b/Tests/Tutorial/Complete/MathFunctions/MathFunctions.h deleted file mode 100644 index 3fb547b4a..000000000 --- a/Tests/Tutorial/Complete/MathFunctions/MathFunctions.h +++ /dev/null @@ -1,14 +0,0 @@ - -#if defined(_WIN32) -# if defined(EXPORTING_MYMATH) -# define DECLSPEC __declspec(dllexport) -# else -# define DECLSPEC __declspec(dllimport) -# endif -#else // non windows -# define DECLSPEC -#endif - -namespace mathfunctions { -double DECLSPEC sqrt(double x); -} diff --git a/Tests/Tutorial/Complete/MathFunctions/mysqrt.cxx b/Tests/Tutorial/Complete/MathFunctions/mysqrt.cxx deleted file mode 100644 index 96d94212d..000000000 --- a/Tests/Tutorial/Complete/MathFunctions/mysqrt.cxx +++ /dev/null @@ -1,45 +0,0 @@ -#include "MathFunctions.h" -#include <iostream> - -// include the generated table -#include "Table.h" - -#include <cmath> - -namespace mathfunctions { -namespace detail { -// a hack square root calculation using simple operations -double mysqrt(double x) -{ - if (x <= 0) { - return 0; - } - - // if we have both log and exp then use them -#if defined(HAVE_LOG) && defined(HAVE_EXP) - double result = exp(log(x) * 0.5); - std::cout << "Computing sqrt of " << x << " to be " << result << " using log" - << std::endl; -#else - // use the table to help find an initial value - double result = x; - if (x >= 1 && x < 10) { - result = sqrtTable[static_cast<int>(x)]; - } - - // if we have both log and exp then use them - - // do ten iterations - for (int i = 0; i < 10; ++i) { - if (result <= 0) { - result = 0.1; - } - double delta = x - (result * result); - result = result + 0.5 * delta / result; - std::cout << "Computing sqrt of " << x << " to be " << result << std::endl; - } -#endif - return result; -} -} -} diff --git a/Tests/Tutorial/Complete/MathFunctions/mysqrt.h b/Tests/Tutorial/Complete/MathFunctions/mysqrt.h deleted file mode 100644 index e1c42ef0c..000000000 --- a/Tests/Tutorial/Complete/MathFunctions/mysqrt.h +++ /dev/null @@ -1,6 +0,0 @@ - -namespace mathfunctions { -namespace detail { -double mysqrt(double x); -} -} |