Add PyCuAmpcor support

CMakeLists.txt

@@ -10,7 +10,8 @@ endif()
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/.cmake)
 
-find_package(Python 3.5 REQUIRED COMPONENTS Interpreter Development)
+find_package(Python 3.5 REQUIRED COMPONENTS Interpreter Development
+                        OPTIONAL_COMPONENTS NumPy)
 find_package(FFTW REQUIRED)
 find_package(Motif)
 find_package(OpenMP REQUIRED COMPONENTS C CXX Fortran)

contrib/CMakeLists.txt

@@ -5,7 +5,7 @@ add_subdirectory(frameUtils)
 #add_subdirectory(unwUtils)
 add_subdirectory(downsample_unwrapper)
 
-#add_subdirectory(PyCuAmpcor)
+add_subdirectory(PyCuAmpcor)
 add_subdirectory(splitSpectrum)
 add_subdirectory(alos2filter)
 add_subdirectory(alos2proc)

contrib/PyCuAmpcor/CMakeLists.txt

@@ -0,0 +1,47 @@
+# Early exit if prereqs not available
+if(NOT CMAKE_CUDA_COMPILER OR
+   NOT TARGET GDAL::GDAL OR
+   NOT TARGET Python::NumPy)
+    return()
+endif()
+
+set(CMAKE_CUDA_STANDARD 11)
+set(CMAKE_CUDA_STANDARD_REQUIRED TRUE)
+
+cython_add_module(PyCuAmpcor
+    src/PyCuAmpcor.pyx
+    src/GDALImage.cu
+    src/SConscript
+    src/SlcImage.cu
+    src/cuAmpcorChunk.cu
+    src/cuAmpcorController.cu
+    src/cuAmpcorParameter.cu
+    src/cuArrays.cu
+    src/cuArraysCopy.cu
+    src/cuArraysPadding.cu
+    src/cuCorrFrequency.cu
+    src/cuCorrNormalization.cu
+    src/cuCorrTimeDomain.cu
+    src/cuDeramp.cu
+    src/cuEstimateStats.cu
+    src/cuOffset.cu
+    src/cuOverSampler.cu
+    src/cuSincOverSampler.cu
+    )
+target_include_directories(PyCuAmpcor PRIVATE
+    src
+    ${CMAKE_CUDA_IMPLICIT_INCLUDE_DIRECTORIES} # <cuda_runtime.h>
+    )
+target_link_directories(PyCuAmpcor PRIVATE
+    ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES} # cufft
+    )
+target_link_libraries(PyCuAmpcor PRIVATE
+    GDAL::GDAL
+    Python::NumPy
+    cufft
+    )
+
+InstallSameDir(
+    __init__.py
+    PyCuAmpcor
+    )