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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+//
+//  CPUSetDiff1D.cpp
+//  MNN
+//
+//  Created by MNN on 2019/6/11.
+//  Copyright © 2018 Alibaba. All rights reserved.
+//
+
+#include "backend/cpu/CPUSetDiff1D.hpp"
+namespace MNN {
+ErrorCode CPUSetDiff1D::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
+    auto input  = inputs[0];
+    auto remove = inputs[1];
+    if (input->getType().code != halide_type_int || remove->getType().code != halide_type_int) {
+        return NOT_SUPPORT;
+    }
+    auto output     = outputs[0];
+    auto outputPtr  = output->host<int32_t>();
+    auto inputPtr   = input->host<int32_t>();
+    auto removePtr  = remove->host<int32_t>();
+    auto removeSize = remove->elementSize();
+    auto inputSize  = input->elementSize();
+    int outputSize  = 0;
+    for (int i = 0; i < inputSize; ++i) {
+        auto value = inputPtr[i];
+        bool valid = true;
+        for (int j = 0; j < removeSize; ++j) {
+            if (value == removePtr[j]) {
+                valid = false;
+                break;
+            }
+        }
+        if (valid) {
+            outputPtr[outputSize++] = value;
+        }
+    }
+    output->setLength(0, outputSize);
+    return NO_ERROR;
+}
+class CPUSetDiff1DCreator : public CPUBackend::Creator {
+public:
+    virtual Execution *onCreate(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
+                                const MNN::Op *op, Backend *backend) const {
+        return new CPUSetDiff1D(backend);
+    }
+};
+
+REGISTER_CPU_OP_CREATOR(CPUSetDiff1DCreator, OpType_SetDiff1D);
+
+}; // namespace MNN