chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
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+//
+//  ChannelShuffleTest.cpp
+//  MNNTests
+//
+//  Created by MNN on 2021/10/22.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include <MNN/expr/Expr.hpp>
+#include <MNN/expr/ExprCreator.hpp>
+#include "MNNTestSuite.h"
+#include "TestUtils.h"
+
+using namespace MNN::Express;
+class ChannelShuffleTest : public MNNTestCase {
+public:
+    virtual ~ChannelShuffleTest() = default;
+    virtual bool run(int precision) {
+        auto input = _Input({1, 1, 2, 4}, NHWC);
+        // set input data
+        const float inpudata[] = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0};
+        auto inputPtr          = input->writeMap<float>();
+        memcpy(inputPtr, inpudata, 8 * sizeof(float));
+        auto output = _ChannelShuffle(input, 2);
+        output = _Convert(output, NHWC);
+        const std::vector<float> expectedOutput = {0.0, 2.0, 1.0, 3.0, 4.0, 6.0, 5.0, 7.0};
+        auto gotOutput                        = output->readMap<float>();
+        if (!checkVector<float>(gotOutput, expectedOutput.data(), 8, 1e-5)) {
+            MNN_ERROR("ChannelShuffleTest test failed!\n");
+            return false;
+        }
+        return true;
+    }
+};
+MNNTestSuiteRegister(ChannelShuffleTest, "op/channel_shuffle");