empty functions

torch_scatter/src/cuda.c

+#include <THC/THC.h>
+
+#define scatter_(NAME) TH_CONCAT_4(scatter_, NAME, _cuda_, Real)
+#define index_backward TH_CONCAT_2(index_backward_cuda_, Real)
+
+extern THCState *state;
+
+#include "generic/cuda.c"
+#include "THCGenerateAllTypes.h"

torch_scatter/src/generic/cuda.c

+#ifndef THC_GENERIC_FILE
+#define THC_GENERIC_FILE "generic/cuda.c"
+#else
+
+void scatter_(mul)(int dim, THCTensor *output, THCudaLongTensor *index, THCTensor *input) {
+}
+
+void scatter_(div)(int dim, THCTensor *output, THCudaLongTensor *index, THCTensor *input) {
+}
+
+void scatter_(mean)(int dim, THCTensor *output, THCudaLongTensor *index, THCTensor *input, THCTensor *num_output) {
+}
+
+void scatter_(max)(int dim, THCTensor *output, THCudaLongTensor *index, THCTensor *input, THCudaLongTensor *arg_output) {
+}
+
+void scatter_(min)(int dim, THCTensor *output, THCudaLongTensor *index, THCTensor *input, THCudaLongTensor *arg_output) {
+}
+
+void index_backward(int dim, THCTensor *output, THCudaLongTensor *index, THCTensor *grad, THCudaLongTensor *arg_grad) {
+}
+
+#endif