InterpolateKernel.h

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//
//    Based on Pointnet2 Library (MIT License):
//    https://github.com/sshaoshuai/Pointnet2.PyTorch
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//    Copyright (c) 2019 Shaoshuai Shi
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#pragma once
 
void three_nn_launcher(int b,
                       int n,
                       int m,
                       const float *unknown,
                       const float *known,
                       float *dist2,
                       int *idx);
 
void three_interpolate_launcher(int b,
                                int c,
                                int m,
                                int n,
                                const float *points,
                                const int *idx,
                                const float *weight,
                                float *out);
 
void three_interpolate_grad_launcher(int b,
                                     int c,
                                     int n,
                                     int m,
                                     const float *grad_out,
                                     const int *idx,
                                     const float *weight,
                                     float *grad_points);