if(WITH_GPU) nv_library(math_function SRCS math_function.cc math_function.cu im2col.cc im2col.cu DEPS cblas device_context operator) nv_library(softmax SRCS softmax.cc softmax.cu DEPS operator) nv_library(cross_entropy SRCS cross_entropy.cc cross_entropy.cu DEPS operator) else() cc_library(math_function SRCS math_function.cc im2col.cc DEPS cblas device_context operator) cc_library(softmax SRCS softmax.cc DEPS operator) cc_library(cross_entropy SRCS cross_entropy.cc DEPS operator) endif() nv_test(math_function_test SRCS math_function_test.cc DEPS math_function tensor) cc_test(im2col_test SRCS im2col_test.cc DEPS math_function tensor)