30 lines
980 B
C
30 lines
980 B
C
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#ifndef _SAMPLING_GPU_H
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#define _SAMPLING_GPU_H
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#include <torch/serialize/tensor.h>
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#include <ATen/cuda/CUDAContext.h>
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#include<vector>
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int gather_points_wrapper_fast(int b, int c, int n, int npoints,
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at::Tensor points_tensor, at::Tensor idx_tensor, at::Tensor out_tensor);
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void gather_points_kernel_launcher_fast(int b, int c, int n, int npoints,
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const float *points, const int *idx, float *out);
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int gather_points_grad_wrapper_fast(int b, int c, int n, int npoints,
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at::Tensor grad_out_tensor, at::Tensor idx_tensor, at::Tensor grad_points_tensor);
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void gather_points_grad_kernel_launcher_fast(int b, int c, int n, int npoints,
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const float *grad_out, const int *idx, float *grad_points);
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int farthest_point_sampling_wrapper(int b, int n, int m,
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at::Tensor points_tensor, at::Tensor temp_tensor, at::Tensor idx_tensor);
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void farthest_point_sampling_kernel_launcher(int b, int n, int m,
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const float *dataset, float *temp, int *idxs);
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#endif
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