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Timmy
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Merge pull request #28 from kknox/develop
Logic added to packaging step
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‎README.md‎

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clFFT
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=====
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[![Build Status](https://travis-ci.org/clMathLibraries/clFFT.png)](https://travis-ci.org/clMathLibraries/clFFT)
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clMath is a software library containing FFT and BLAS functions written in OpenCL. In addition to GPU devices, the libraries also support running on CPU devices to facilitate debugging and multicore programming.
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<a href="http://developer.amd.com/tools-and-sdks/heterogeneous-computing/amd-accelerated-parallel-processing-math-libraries/">APPML 1.10</a> is the most current generally available version of the library, and pre-built binaries are available for download on both Linux and Windows platforms.
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[![Build Status](https://travis-ci.org/kknox/clFFT.png)](https://travis-ci.org/kknox/clFFT)
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## Introduction to clFFT
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The FFT is an implementation of the Discrete Fourier Transform (DFT) that makes use of symmetries in the FFT definition to reduce the mathematical intensity required from O(N<sup>2</sup>) to O(N log<sub>2</sub>( N )) when the sequence length N is the product of small prime factors. Currently, there is no standard API for FFT routines. Hardware vendors usually provide a set of high-performance FFTs optimized for their systems: no two vendors employ the same interfaces for their FFT routines. clFFT provides a set of FFT routines that are optimized for AMD graphics processors, but also are functional across CPU and other compute devices.

‎src/library/CMakeLists.txt‎

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LIBRARY DESTINATION lib${SUFFIX_LIB}
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ARCHIVE DESTINATION lib${SUFFIX_LIB}/import
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)
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# For debug builds, include the debug runtimes into the package for testing on non-developer machines
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set( CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_SKIP true )
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set( CMAKE_INSTALL_DEBUG_LIBRARIES true )
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set( CMAKE_INSTALL_DEBUG_LIBRARIES_ONLY true )
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if( WIN32 )
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set( CLFFT_RUNTIME_DESTINATION bin${SUFFIX_BIN} )
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else( )
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set( CLFFT_RUNTIME_DESTINATION lib${SUFFIX_LIB} )
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endif( )
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include( InstallRequiredSystemLibraries )
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# Install necessary runtime files for debug builds
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install( PROGRAMS ${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS}
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CONFIGURATIONS Debug
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DESTINATION ${CLFFT_RUNTIME_DESTINATION} )
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# Install all *.pdb files for debug builds
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install( DIRECTORY ${PROJECT_BINARY_DIR}/staging/
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DESTINATION ${CLFFT_RUNTIME_DESTINATION}
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OPTIONAL
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CONFIGURATIONS Debug
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FILES_MATCHING PATTERN "*.pdb" )
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# Install a snapshot of the source as it was for this build; useful for the .pdb's
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install( DIRECTORY ${PROJECT_SOURCE_DIR}
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DESTINATION ${CLFFT_RUNTIME_DESTINATION}
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OPTIONAL
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CONFIGURATIONS Debug )

‎src/tests/CMakeLists.txt‎

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LIBRARY DESTINATION lib${SUFFIX_LIB}
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ARCHIVE DESTINATION lib${SUFFIX_LIB}/import
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)
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get_target_property( testLocation Test LOCATION )
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configure_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/copyTestDependencies.cmake.in"
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"${CMAKE_CURRENT_BINARY_DIR}/copyTestDependencies.cmake"
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@ONLY
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)
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# Register script at run at install time to analyze the executable and copy dependencies into package
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install( SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/copyTestDependencies.cmake")
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‎src/tests/copyTestDependencies.cmake.in‎

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# Customized install script for fftw test program; analyzes all the shared library dependencies and installs
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# the dependencies into the package
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include( GetPrerequisites )
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# message( testLocation ": @testLocation@" )
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# The Microsoft IDE presents a challenge because the full configuration is not known at cmake time
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# This logic allows us to 'substitute' the proper confguration at install time
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if( "${CMAKE_INSTALL_CONFIG_NAME}" MATCHES "Debug" )
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string( REPLACE "\$(Configuration)" "Debug" fixedTestLocation "@testLocation@" )
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elseif( "${CMAKE_INSTALL_CONFIG_NAME}" MATCHES "Release" )
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string( REPLACE "\$(Configuration)" "Release" fixedTestLocation "@testLocation@" )
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elseif( "${CMAKE_INSTALL_CONFIG_NAME}" MATCHES "MinSizeRel" )
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string( REPLACE "\$(Configuration)" "MinSizeRel" fixedTestLocation "@testLocation@" )
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elseif( "${CMAKE_INSTALL_CONFIG_NAME}" MATCHES "RelwithDebInfo" )
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string( REPLACE "\$(Configuration)" "RelwithDebInfo" fixedTestLocation "@testLocation@" )
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endif( )
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# message( fixedTestLocation ": ${fixedTestLocation}" )
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# Get the directory that the test executable resides in; this helps get_prerequisites( ) find dependent libraries
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get_filename_component( testName "${fixedTestLocation}" NAME )
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string( REPLACE ${testName} "" testDir ${fixedTestLocation} )
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string( REGEX REPLACE "/+$" "" testDir ${testDir} )
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# message( testDir ": ${testDir}" )
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set( installPath "" )
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if( WIN32 )
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set( installPath "${CMAKE_INSTALL_PREFIX}/bin@SUFFIX_BIN@" )
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else( )
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set( installPath "${CMAKE_INSTALL_PREFIX}/lib@SUFFIX_LIB@" )
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endif( )
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# Only search for dependencies that have ROOT defined
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set( depList "" )
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if( EXISTS "@FFTW_ROOT@" )
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list( APPEND depList "@FFTW_ROOT@/lib@SUFFIX_LIB@" )
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endif( )
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if( EXISTS "@GTEST_ROOT@" )
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list( APPEND depList "@GTEST_ROOT@/lib@SUFFIX_LIB@" )
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endif( )
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if( EXISTS "${testDir}" )
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list( APPEND depList "${testDir}" )
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endif( )
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# message( STATUS "depList: ${depList}" )
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# This retrieves a list of shared library dependencies from the target; they are not full path names
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# Skip system dependencies and skip recursion
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get_prerequisites( ${fixedTestLocation} testDependencies 1 0 "" "${depList}" )
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# Loop on queried library dependencies and copy them into package
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foreach( dep ${testDependencies} )
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# This converts the dependency into a full path
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gp_resolve_item( "${fixedTestLocation}" "${dep}" "" "${depList}" dep_test_path )
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# In linux, the dep_test_path may point to a symbolic link, we also need to copy real file
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get_filename_component( dep_realpath "${dep_test_path}" REALPATH )
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get_filename_component( dep_name "${dep_test_path}" NAME )
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# message( STATUS "depName: ${dep_name}" )
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# message( STATUS "depFullPath: ${dep_test_path}" )
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# message( STATUS "dep_realpath: ${dep_realpath}" )
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if( NOT EXISTS ${installPath}/${dep_name} )
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file( INSTALL ${dep_test_path} ${dep_realpath}
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USE_SOURCE_PERMISSIONS
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DESTINATION ${installPath}
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)
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endif( )
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endforeach( )

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