arrayfire · pavanky · Feb 26, 2016 · Dec 19, 2015 · Dec 19, 2015 · Dec 20, 2015
diff --git a/.gitignore b/.gitignore
@@ -11,3 +11,4 @@ GPATH
 include/af/version.h
 src/backend/version.hpp
 docs/details/examples.dox
+/TAGS
diff --git a/.gitmodules b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "test/gtest"]
 	path = test/gtest
 	url = https://chromium.googlesource.com/external/googletest
+[submodule "src/backend/cpu/threads"]
+	path = src/backend/cpu/threads
+	url = https://github.com/alltheflops/threads.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,4 +1,4 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12)
 PROJECT(ARRAYFIRE)
 
 SET_PROPERTY(GLOBAL PROPERTY USE_FOLDERS ON)
@@ -9,7 +9,6 @@ INCLUDE(AFInstallDirs)
 
 OPTION(BUILD_TEST "Build Tests" ON)
 OPTION(BUILD_EXAMPLES "Build Examples" ON)
-OPTION(BUILD_GTEST "Download gtest and check for updates. Necessary if you change compilers" ON)
 
 OPTION(BUILD_CPU "Build ArrayFire with a CPU backend" ON)
 
@@ -31,9 +30,6 @@ OPTION(BUILD_DOCS "Create ArrayFire Documentation" OFF)
 OPTION(WITH_COVERAGE "Added code coverage flags" OFF)
 
 OPTION(BUILD_NONFREE "Build ArrayFire nonfree algorithms" OFF)
-OPTION(BUILD_SIFT "Build ArrayFire nonfree algorithms" OFF)
-
-MARK_AS_ADVANCED(BUILD_SIFT)
 
 OPTION(BUILD_UNIFIED "Build Backend-Independent ArrayFire API" ON)
 
@@ -91,17 +87,18 @@ IF(BUILD_GRAPHICS)
 
 ENDIF(BUILD_GRAPHICS)
 
-IF(BUILD_NONFREE)
-  MESSAGE(WARNING "Building With NONFREE ON requires the following patents")
-  SET(BUILD_SIFT ON)
-ENDIF(BUILD_NONFREE)
+IF(${BUILD_NONFREE})
+    MESSAGE(WARNING "Building With NONFREE ON requires the following patents")
+    SET(BUILD_NONFREE_SIFT ON CACHE BOOL "Build ArrayFire with SIFT")
+    MARK_AS_ADVANCED(BUILD_NONFREE_SIFT)
+ELSE(${BUILD_NONFREE})
+    UNSET(BUILD_NONFREE_SIFT CACHE) # BUILD_NONFREE_SIFT cannot be built without BUILD_NONFREE
+ENDIF(${BUILD_NONFREE})
 
-IF(BUILD_SIFT)
-  ADD_DEFINITIONS(-DAF_BUILD_SIFT)
+IF(${BUILD_NONFREE_SIFT})
+  ADD_DEFINITIONS(-DAF_BUILD_NONFREE_SIFT)
 
-  IF (NOT BUILD_NONFREE)
-    MESSAGE(WARNING "Building with SIFT requires the following patents")
-  ENDIF()
+  MESSAGE(WARNING "Building with SIFT requires the following patents")
 
   MESSAGE("Method and apparatus for identifying scale invariant features"
     "in an image and use of same for locating an object in an image,\" David"
@@ -110,7 +107,7 @@ IF(BUILD_SIFT)
     "further details, contact David Lowe (lowe@cs.ubc.ca) or the"
     "University-Industry Liaison Office of the University of British"
     "Columbia.")
-ENDIF(BUILD_SIFT)
+ENDIF(${BUILD_NONFREE_SIFT})
 
 INCLUDE_DIRECTORIES(
     "${CMAKE_CURRENT_SOURCE_DIR}/include"
@@ -154,6 +151,10 @@ ELSE(${UNIX}) #Windows
         # http://www.kitware.com/blog/home/post/434
         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP /Gm-")
         SET(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} /MP /Gm-")
+
+        # Builds that contain debug info require /bigobj
+        SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /bigobj")
+        SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /bigobj")
     ENDIF(MSVC)
 ENDIF()
 
@@ -223,7 +224,7 @@ ENDIF(FORGE_FOUND AND NOT USE_SYSTEM_FORGE)
 SET(INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include")
 SET(BACKEND_DIR "src/backend/\${lowerbackend}")
 CONFIGURE_FILE(
-    ${CMAKE_CURRENT_SOURCE_DIR}/ArrayFireConfig.cmake.in
+    ${CMAKE_MODULE_PATH}/ArrayFireConfig.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/ArrayFireConfig.cmake
     @ONLY)
 
@@ -233,11 +234,11 @@ STRING(REGEX REPLACE "[^/]+" ".." reldir "${AF_INSTALL_CMAKE_DIR}")
 SET(INCLUDE_DIR "\${CMAKE_CURRENT_LIST_DIR}/${reldir}/include")
 set(BACKEND_DIR)
 CONFIGURE_FILE(
-    ${CMAKE_CURRENT_SOURCE_DIR}/ArrayFireConfig.cmake.in
+    ${CMAKE_MODULE_PATH}/ArrayFireConfig.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/Install/ArrayFireConfig.cmake
     @ONLY)
 CONFIGURE_FILE(
-    ${CMAKE_CURRENT_SOURCE_DIR}/ArrayFireConfigVersion.cmake.in
+    ${CMAKE_MODULE_PATH}/ArrayFireConfigVersion.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/ArrayFireConfigVersion.cmake
     @ONLY)
 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/Install/ArrayFireConfig.cmake
@@ -265,4 +266,4 @@ ENDIF(APPLE)
 ##
 # Packaging
 ##
-include(${CMAKE_CURRENT_SOURCE_DIR}/CPack.cmake)
+include(${CMAKE_MODULE_PATH}/CPackConfig.cmake)
diff --git a/ArrayFireConfig.cmake.in → CMakeModules/ArrayFireConfig.cmake.in b/ArrayFireConfig.cmake.in → CMakeModules/ArrayFireConfig.cmake.in
diff --git a/ArrayFireConfigVersion.cmake.in → CMakeModules/ArrayFireConfigVersion.cmake.in b/ArrayFireConfigVersion.cmake.in → CMakeModules/ArrayFireConfigVersion.cmake.in
diff --git a/CPack.cmake → CMakeModules/CPackConfig.cmake b/CPack.cmake → CMakeModules/CPackConfig.cmake
@@ -1,6 +1,6 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 
-include("${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/Version.cmake")
+INCLUDE("${CMAKE_MODULE_PATH}/Version.cmake")
 
 # CPack package generation
 #SET(CPACK_GENERATOR "TGZ;STGZ")

diff --git a/CMakeModules/FindCBLAS.cmake b/CMakeModules/FindCBLAS.cmake
@@ -53,19 +53,48 @@ SET(CBLAS_ROOT_DIR CACHE STRING
 INCLUDE(CheckTypeSize)
 CHECK_TYPE_SIZE("void*" SIZE_OF_VOIDP)
 
-SET(CBLAS_LIB_DIR)
+IF (NOT INTEL_MKL_ROOT_DIR)
+  SET(INTEL_MKL_ROOT_DIR $ENV{INTEL_MKL_ROOT})
+ENDIF()
 
-SET(CBLAS_ROOT_DIR "${INTEL_MKL_ROOT_DIR}")
+IF(NOT CBLAS_ROOT_DIR)
 
-IF(CBLAS_ROOT_DIR)
-    IF(INTEL_MKL_ROOT_DIR)
-      IF ("${SIZE_OF_VOIDP}" EQUAL 8)
-        SET(CBLAS_LIB_DIR "${INTEL_MKL_ROOT_DIR}/lib/intel64")
-      ELSE()
-        SET(CBLAS_LIB_DIR "${INTEL_MKL_ROOT_DIR}/lib/ia32")
-      ENDIF()
+  IF (ENV{CBLASDIR})
+    SET(CBLAS_ROOT_DIR $ENV{CBLASDIR})
+    IF ("${SIZE_OF_VOIDP}" EQUAL 8)
+        SET(CBLAS_LIB64_DIR "${CBLAS_ROOT_DIR}/lib64")
+    ELSE()
+        SET(CBLAS_LIB32_DIR "${CBLAS_ROOT_DIR}/lib")
+    ENDIF()
+  ENDIF()
+
+  IF (ENV{CBLAS_ROOT_DIR})
+    SET(CBLAS_ROOT_DIR $ENV{CBLAS_ROOT_DIR})
+    IF ("${SIZE_OF_VOIDP}" EQUAL 8)
+        SET(CBLAS_LIB64_DIR "${CBLAS_ROOT_DIR}/lib64")
+    ELSE()
+        SET(CBLAS_LIB32_DIR "${CBLAS_ROOT_DIR}/lib")
     ENDIF()
-    SET(CBLAS_INCLUDE_DIR "${INTEL_MKL_ROOT_DIR}/include")
+  ENDIF()
+
+  IF (INTEL_MKL_ROOT_DIR)
+    SET(CBLAS_ROOT_DIR ${INTEL_MKL_ROOT_DIR})
+    IF(APPLE)
+        IF ("${SIZE_OF_VOIDP}" EQUAL 8)
+            SET(CBLAS_LIB64_DIR "${CBLAS_ROOT_DIR}/lib")
+        ELSE()
+            SET(CBLAS_LIB32_DIR "${CBLAS_ROOT_DIR}/lib")
+        ENDIF()
+    ELSE(APPLE) # Windows and Linux
+        IF ("${SIZE_OF_VOIDP}" EQUAL 8)
+            SET(CBLAS_LIB64_DIR "${CBLAS_ROOT_DIR}/lib/intel64")
+        ELSE()
+            SET(CBLAS_LIB32_DIR "${CBLAS_ROOT_DIR}/lib/ia32")
+        ENDIF()
+    ENDIF(APPLE)
+  ENDIF()
+
+  SET(CBLAS_INCLUDE_DIR "${CBLAS_ROOT_DIR}/include")
 ENDIF()
 
 # Old CBLAS search
@@ -116,14 +145,14 @@ MACRO(CHECK_ALL_LIBRARIES
           NAMES ${_library}
           PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64
           ENV DYLD_LIBRARY_PATH
-          "{CBLAS_LIB_DIR}"
+          "${CBLAS_LIB_DIR}" "${CBLAS_LIB32_DIR}" "${CBLAS_LIB64_DIR}"
           )
       ELSE(APPLE)
         FIND_LIBRARY(${_prefix}_${_library}_LIBRARY
           NAMES ${_library}
           PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64
           ENV LD_LIBRARY_PATH
-          "${CBLAS_LIB_DIR}"
+          "${CBLAS_LIB_DIR}" "${CBLAS_LIB32_DIR}" "${CBLAS_LIB64_DIR}"
           PATH_SUFFIXES atlas
           )
         IF(NOT ${_prefix}_${library}_LIBRARY)
@@ -132,7 +161,7 @@ MACRO(CHECK_ALL_LIBRARIES
               NAMES ${_library}
               PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64
               ENV LD_LIBRARY_PATH
-              "${CBLAS_LIB_DIR}"
+              "${CBLAS_LIB_DIR}" "${CBLAS_LIB32_DIR}" "${CBLAS_LIB64_DIR}"
               PATH_SUFFIXES atlas
               )
           ENDIF(NOT ${_prefix}_${library}_LIBRARY)
@@ -194,6 +223,23 @@ MACRO(CHECK_ALL_LIBRARIES
   ENDIF(NOT _libraries_work)
 ENDMACRO(CHECK_ALL_LIBRARIES)
 
+# MKL CBLAS library?
+IF(NOT CBLAS_LIBRARIES)
+  CHECK_ALL_LIBRARIES(
+    CBLAS_LIBRARIES
+    CBLAS
+    cblas_dgemm
+    ""
+    "mkl_rt"
+    "mkl_cblas.h"
+    FALSE,
+    TRUE)
+ENDIF(NOT CBLAS_LIBRARIES)
+
+IF(CBLAS_LIBRARIES)
+  SET(MKL_FOUND ON)
+ENDIF()
+
 # Apple CBLAS library?
 IF(NOT CBLAS_LIBRARIES)
   CHECK_ALL_LIBRARIES(

diff --git a/CMakeModules/FindFFTW.cmake b/CMakeModules/FindFFTW.cmake
@@ -24,6 +24,25 @@ IF(NOT FFTW_ROOT AND ENV{FFTWDIR})
     SET(FFTW_ROOT $ENV{FFTWDIR})
 ENDIF()
 
+IF (NOT INTEL_MKL_ROOT_DIR)
+  SET(INTEL_MKL_ROOT_DIR $ENV{INTEL_MKL_ROOT})
+ENDIF()
+
+IF(NOT FFTW_ROOT)
+
+  IF (ENV{FFTWDIR})
+    SET(FFTW_ROOT $ENV{FFTWDIR})
+  ENDIF()
+
+  IF (ENV{FFTW_ROOT_DIR})
+    SET(FFTW_ROOT $ENV{FFTW_ROOT_DIR})
+  ENDIF()
+
+  IF (INTEL_MKL_ROOT_DIR)
+    SET(FFTW_ROOT ${INTEL_MKL_ROOT_DIR})
+  ENDIF()
+ENDIF()
+
 # Check if we can use PkgConfig
 FIND_PACKAGE(PkgConfig)
 
@@ -44,14 +63,14 @@ IF(FFTW_ROOT)
     #find libs
     FIND_LIBRARY(
         FFTW_LIB
-        NAMES "fftw3" "libfftw3-3" "fftw3-3"
+        NAMES "fftw3" "libfftw3-3" "fftw3-3" "mkl_rt"
         PATHS ${FFTW_ROOT}
         PATH_SUFFIXES "lib" "lib64"
         NO_DEFAULT_PATH
         )
     FIND_LIBRARY(
         FFTWF_LIB
-        NAMES "fftw3f" "libfftw3f-3" "fftw3f-3"
+        NAMES "fftw3f" "libfftw3f-3" "fftw3f-3" "mkl_rt"
         PATHS ${FFTW_ROOT}
         PATH_SUFFIXES "lib" "lib64"
         NO_DEFAULT_PATH
@@ -62,18 +81,18 @@ IF(FFTW_ROOT)
         FFTW_INCLUDES
         NAMES "fftw3.h"
         PATHS ${FFTW_ROOT}
-        PATH_SUFFIXES "include"
+        PATH_SUFFIXES "include" "include/fftw"
         NO_DEFAULT_PATH
         )
 ELSE()
     FIND_LIBRARY(
         FFTW_LIB
-        NAMES "fftw3"
+        NAMES "fftw3" "mkl_rt"
         PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
         )
     FIND_LIBRARY(
         FFTWF_LIB
-        NAMES "fftw3f"
+        NAMES "fftw3f" "mkl_rt"
         PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
         )
     FIND_PATH(

diff --git a/CMakeModules/FindGLEWmx.cmake b/CMakeModules/FindGLEWmx.cmake
@@ -55,7 +55,6 @@ ELSE (WIN32)
         /sw/lib
         /opt/local/lib
         ${GLEW_ROOT_DIR}/lib
-        NO_DEFAULT_PATH
         DOC "The GLEWmx library")
 
     SET(PX ${CMAKE_STATIC_LIBRARY_PREFIX})
@@ -72,7 +71,6 @@ ELSE (WIN32)
         /sw/lib
         /opt/local/lib
         ${GLEW_ROOT_DIR}/lib
-        NO_DEFAULT_PATH
         DOC "The GLEWmx library")
     UNSET(PX)
     UNSET(SX)