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pcdet/ops/pointnet2/pointnet2_stack/src/voxel_query_gpu.h

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+#ifndef _STACK_VOXEL_QUERY_GPU_H
+#define _STACK_VOXEL_QUERY_GPU_H
+
+#include <torch/serialize/tensor.h>
+#include <vector>
+#include <cuda.h>
+#include <cuda_runtime_api.h>
+
+int voxel_query_wrapper_stack(int M, int R1, int R2, int R3, int nsample, float radius, 
+    int z_range, int y_range, int x_range, at::Tensor new_xyz_tensor, at::Tensor xyz_tensor, 
+    at::Tensor new_coords_tensor, at::Tensor point_indices_tensor, at::Tensor idx_tensor);
+
+
+void voxel_query_kernel_launcher_stack(int M, int R1, int R2, int R3, int nsample,
+    float radius, int z_range, int y_range, int x_range, const float *new_xyz, 
+    const float *xyz, const int *new_coords, const int *point_indices, int *idx);
+
+
+#endif