fix

CMakeLists.txt

@@ -15,7 +15,7 @@ endif()
 find_package(Python3 COMPONENTS Development)
 find_package(Torch REQUIRED)
 
-#file(GLOB HEADERS csrc/sparse.h)
+file(GLOB HEADERS csrc/sparse.h)
 file(GLOB OPERATOR_SOURCES csrc/cpu/*.h csrc/cpu/*.cpp csrc/*.cpp)
 if(WITH_CUDA)
   file(GLOB OPERATOR_SOURCES ${OPERATOR_SOURCES} csrc/cuda/*.h csrc/cuda/*.cu)

csrc/sparse.h

@@ -21,6 +21,7 @@ std::tuple<torch::Tensor, torch::Tensor, torch::Tensor>
 subgraph(torch::Tensor idx, torch::Tensor rowptr, torch::Tensor row,
          torch::Tensor col);
 
+std::tuple<torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor>
 sample_adj(torch::Tensor rowptr, torch::Tensor col, torch::Tensor rowcount,
            torch::Tensor idx, int64_t num_neighbors, bool replace);