Function group_points_wrapper_fast

model/lib/pointnet2/src/group_points.cpp:24–34

int group_points_wrapper_fast(int b, int c, int n, int npoints, int nsample, 
    at::Tensor points_tensor, at::Tensor idx_tensor, at::Tensor out_tensor) {

    const float *points = points_tensor.data<float>();
    const int *idx = idx_tensor.data<int>();
    float *out = out_tensor.data<float>();

    cudaStream_t stream = at::cuda::getCurrentCUDAStream().stream();
    group_points_kernel_launcher_fast(b, c, n, npoints, nsample, points, idx, out, stream);
    return 1;
}