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 +1,36 @@
+//
+//  ThresholdTest.cpp
+//  MNNTests
+//
+//  Created by MNN on 2020/07/27.
+//  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 ThresholdTest : public MNNTestCase {
+public:
+    virtual ~ThresholdTest() = default;
+    virtual bool run(int precision) {
+        auto input = _Input({4}, NCHW);
+        input->setName("input_tensor");
+        // set input data
+        const float inpudata[] = {-2.0, 0.0, 2.0, 3.0};
+        auto inputPtr          = input->writeMap<float>();
+        memcpy(inputPtr, inpudata, 4 * sizeof(float));
+        input->unMap();
+        auto output                             = _Threshold(input, 2.0);
+        const std::vector<float> expectedOutput = {0.0, 0.0, 0.0, 1.0};
+        auto gotOutput                          = output->readMap<float>();
+        if (!checkVector<float>(gotOutput, expectedOutput.data(), 4, 0.01)) {
+            MNN_ERROR("ThresholdTest test failed!\n");
+            return false;
+        }
+        return true;
+    }
+};
+MNNTestSuiteRegister(ThresholdTest, "op/threshold");