TrilinearDevoxelizeKernel.h

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// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
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//
//    Based on PVCNN Library (MIT License):
//    https://github.com/mit-han-lab/pvcnn
//
// Copyright (c) 2018 Zhijian Liu, Haotian Tang, Yujun Lin
//
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#pragma once
 
void TrilinearDevoxelize(int b,
                         int c,
                         int n,
                         int r,
                         int r2,
                         int r3,
                         bool is_training,
                         const float *coords,
                         const float *feat,
                         int *inds,
                         float *wgts,
                         float *outs);
 
void TrilinearDevoxelizeGrad(int b,
                             int c,
                             int n,
                             int r3,
                             const int *inds,
                             const float *wgts,
                             const float *grad_y,
                             float *grad_x);