From 7bf103ec56b8d58c0d1825e23d0d902bdf1ad3ac Mon Sep 17 00:00:00 2001
From: inter <inter@qq.com>
Date: Sun, 21 Sep 2025 20:19:09 +0800
Subject: [PATCH] Add File

---
 .../pointnet2_stack/src/interpolate_gpu.h     | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 pcdet/ops/pointnet2/pointnet2_stack/src/interpolate_gpu.h

diff --git a/pcdet/ops/pointnet2/pointnet2_stack/src/interpolate_gpu.h b/pcdet/ops/pointnet2/pointnet2_stack/src/interpolate_gpu.h
new file mode 100644
index 0000000..12775ec
--- /dev/null
+++ b/pcdet/ops/pointnet2/pointnet2_stack/src/interpolate_gpu.h
@@ -0,0 +1,39 @@
+#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_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
\ No newline at end of file