wehub-resource-sync
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright (c) 2026 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <ATen/Functions.h>
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#include <ATen/core/TensorBody.h>
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#include <ATen/cuda/EmptyTensor.h>
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#include <ATen/native/cuda/Resize.h>
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#include <ATen/ops/tensor.h>
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#include <c10/core/Layout.h>
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#include <c10/core/ScalarType.h>
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#include <c10/core/SymInt.h>
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#include <c10/core/TensorOptions.h>
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#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
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#include <c10/cuda/CUDAFunctions.h>
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#include <c10/cuda/CUDAGuard.h>
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#endif
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#include "ATen/ATen.h"
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#include "gtest/gtest.h"
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#include "paddle/phi/common/float16.h"
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#include "torch/all.h"
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TEST(ATenReshapeTest, BasicReshape) {
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// create a 2x3 tensor
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auto tensor = torch::arange(6, torch::kFloat32).view({2, 3});
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// use torch::reshape to reshape it to 3x2
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auto reshaped = torch::reshape(tensor, {3, 2});
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// verify the shape
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EXPECT_EQ(reshaped.size(0), 3);
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EXPECT_EQ(reshaped.size(1), 2);
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// verify the data content remains the same
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EXPECT_FLOAT_EQ(reshaped[0][0].item<float>(), 0.0f);
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EXPECT_FLOAT_EQ(reshaped[0][1].item<float>(), 1.0f);
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EXPECT_FLOAT_EQ(reshaped[1][0].item<float>(), 2.0f);
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EXPECT_FLOAT_EQ(reshaped[1][1].item<float>(), 3.0f);
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EXPECT_FLOAT_EQ(reshaped[2][0].item<float>(), 4.0f);
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EXPECT_FLOAT_EQ(reshaped[2][1].item<float>(), 5.0f);
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// verify the total number of elements remains the same
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EXPECT_EQ(tensor.numel(), reshaped.numel());
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}
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