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
@@ -0,0 +1,55 @@
+//
+//  ConvertTest.cpp
+//  MNNTests
+//
+//  Created by MNN on 2019/01/15.
+//  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 ConvertTest : public MNNTestCase {
+public:
+    virtual ~ConvertTest() = default;
+    virtual bool run(int precision) {
+        auto input = _Input({4, 1, 1, 3}, NHWC);
+        input->setName("input_tensor");
+        // set input data
+        const float inpudata[] = {1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f, 11.0f, 12.0f};
+        auto inputPtr          = input->writeMap<float>();
+        memcpy(inputPtr, inpudata, 12 * sizeof(float));
+        input->unMap();
+        auto output                             = _Convert(input, NC4HW4);
+        const std::vector<float> expectedOutput = {1.0f, 2.0f, 3.0f, 0.0f, 4.0f,  5.0f,  6.0f,  0.0f,
+                                                   7.0f, 8.0f, 9.0f, 0.0f, 10.0f, 11.0f, 12.0f, 0.0f};
+        {
+            auto gotOutput = output->readMap<float>();
+            if (!checkVector<float>(gotOutput, expectedOutput.data(), 16, 0.01)) {
+                FUNC_PRINT(1);
+                MNN_ERROR("ConvertTest test failed!\n");
+                for (int i = 0; i < 16; ++i) {
+                    MNN_PRINT("Correct: %f - Compute: %f\n", expectedOutput[i], gotOutput[i]);
+                }
+                return false;
+            }
+        }
+        output = _Convert(output, NHWC);
+        {
+            auto gotOutput = output->readMap<float>();
+            if (!checkVector<float>(gotOutput, inpudata, 12, 0.01)) {
+                FUNC_PRINT(1);
+                MNN_ERROR("ConvertTest test failed!\n");
+                for (int i = 0; i < 12; ++i) {
+                    MNN_PRINT("Correct: %f - Compute: %f\n", inpudata[i], gotOutput[i]);
+                }
+                return false;
+            }
+        }
+        return true;
+    }
+};
+MNNTestSuiteRegister(ConvertTest, "op/convert");