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#ifndef _INTERPOLATE_GPU_H
#define _INTERPOLATE_GPU_H
#include <torch/serialize/tensor.h>
#include<vector>
#include <cuda.h>
#include <cuda_runtime_api.h>
void three_nn_wrapper_fast(int b, int n, int m, at::Tensor unknown_tensor,
at::Tensor known_tensor, at::Tensor dist2_tensor, at::Tensor idx_tensor);
void three_nn_kernel_launcher_fast(int b, int n, int m, const float *unknown,
const float *known, float *dist2, int *idx);
void three_interpolate_wrapper_fast(int b, int c, int m, int n, at::Tensor points_tensor,
at::Tensor idx_tensor, at::Tensor weight_tensor, at::Tensor out_tensor);
void three_interpolate_kernel_launcher_fast(int b, int c, int m, int n,
const float *points, const int *idx, const float *weight, float *out);
void three_interpolate_grad_wrapper_fast(int b, int c, int n, int m, at::Tensor grad_out_tensor,
at::Tensor idx_tensor, at::Tensor weight_tensor, at::Tensor grad_points_tensor);
void three_interpolate_grad_kernel_launcher_fast(int b, int c, int n, int m, const float *grad_out,
const int *idx, const float *weight, float *grad_points);
void three_nn_wrapper_stack(at::Tensor unknown_tensor,
at::Tensor unknown_batch_cnt_tensor, at::Tensor known_tensor,
at::Tensor known_batch_cnt_tensor, at::Tensor dist2_tensor, at::Tensor idx_tensor);
void three_interpolate_wrapper_stack(at::Tensor features_tensor,
at::Tensor idx_tensor, at::Tensor weight_tensor, at::Tensor out_tensor);
void three_interpolate_grad_wrapper_stack(at::Tensor grad_out_tensor, at::Tensor idx_tensor,
at::Tensor weight_tensor, at::Tensor grad_features_tensor);
void three_nn_kernel_launcher_stack(int batch_size, int N, int M, const float *unknown,
const int *unknown_batch_cnt, const float *known, const int *known_batch_cnt,
float *dist2, int *idx);
void three_interpolate_kernel_launcher_stack(int N, int channels,
const float *features, const int *idx, const float *weight, float *out);
void three_interpolate_grad_kernel_launcher_stack(int N, int channels, const float *grad_out,
const int *idx, const float *weight, float *grad_features);
#endif
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