if (NOT WIN32)
add_subdirectory(detail)
endif(NOT WIN32)

function(math_library TARGET)
    # math_library is a function to create math library. 
    # The interface is the same as cc_library. 
    # But it handle split GPU/CPU code and link some common library.
    set(cc_srcs)
    set(cu_srcs)
    set(hip_srcs)
    set(math_common_deps device_context framework_proto)
    set(multiValueArgs DEPS)
    cmake_parse_arguments(math_library "${options}" "${oneValueArgs}"
            "${multiValueArgs}" ${ARGN})

    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${TARGET}.cc)
        list(APPEND cc_srcs ${TARGET}.cc)
    endif()
    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${TARGET}.cu)
        list(APPEND cu_srcs ${TARGET}.cu)
    endif()
    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${TARGET}.hip.cu)
        list(APPEND hip_srcs ${TARGET}.hip.cu)
    endif()

    list(LENGTH cc_srcs cc_srcs_len)
    if (WITH_GPU)
        nv_library(${TARGET} SRCS ${cc_srcs} ${cu_srcs} DEPS ${math_library_DEPS} ${math_common_deps})
    elseif (WITH_AMD_GPU)
        hip_library(${TARGET} SRCS ${cc_srcs} ${hip_srcs} DEPS ${math_library_DEPS} ${math_common_deps})
    elseif(${cc_srcs_len} GREATER 0)
        cc_library(${TARGET} SRCS ${cc_srcs} DEPS ${math_library_DEPS} ${math_common_deps})
    endif()
endfunction()

# please add new math_library in alphabetical order
math_library(concat)
math_library(context_project DEPS im2col math_function)
math_library(cross_entropy)
math_library(cos_sim_functor)
math_library(depthwise_conv)
math_library(im2col)

if (NOT WIN32) # windows do not support avx functions yet.
math_library(gru_compute DEPS activation_functions math_function)
math_library(lstm_compute DEPS activation_functions)
# TODO(TJ): ugly workaround, clean me
cc_library(cpu_lstm_compute SRCS cpu_lstm_compute.cc DEPS activation_functions cblas)
endif (NOT WIN32)

cc_library(blas SRCS blas.cc DEPS cblas framework_proto device_context)
math_library(math_function DEPS blas)
math_library(maxouting)
math_library(pooling)
math_library(selected_rows_functor DEPS selected_rows math_function)
math_library(sequence2batch)
math_library(sequence_padding)
math_library(sequence_pooling DEPS math_function)
math_library(sequence_scale)
math_library(softmax DEPS math_function)
if (NOT WIN32)
math_library(matrix_bit_code)
endif (NOT WIN32)
math_library(unpooling)
math_library(vol2col)

cc_test(math_function_test SRCS math_function_test.cc DEPS math_function)
cc_test(selected_rows_functor_test SRCS selected_rows_functor_test.cc DEPS selected_rows_functor)
cc_test(im2col_test SRCS im2col_test.cc DEPS im2col)
cc_test(vol2col_test SRCS vol2col_test.cc DEPS vol2col)
cc_test(sequence_padding_test SRCS sequence_padding_test.cc DEPS sequence_padding)
if(WITH_GPU)
    nv_test(math_function_gpu_test SRCS math_function_test.cu DEPS math_function)
    nv_test(selected_rows_functor_gpu_test SRCS selected_rows_functor_test.cu DEPS selected_rows_functor math_function)
endif()
cc_test(concat_test SRCS concat_test.cc DEPS concat)
cc_test(cpu_vec_test SRCS cpu_vec_test.cc DEPS blas cpu_info)