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2026-07-13 13:33:03 +08:00

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//
// PReLUTest.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 PreluTest : public MNNTestCase {
public:
virtual ~PreluTest() = default;
virtual bool run(int precision) {
auto input = _Input({1, 4, 1, 1}, NCHW);
input->setName("input_tensor");
// set input data
const float inpudata[] = {-1.0, 2.0, -3.0, 4.0};
auto inputPtr = input->writeMap<float>();
memcpy(inputPtr, inpudata, 4 * sizeof(float));
input->unMap();
input = _Convert(input, NC4HW4);
auto output = _PRelu(input, {3.0, 1.5, 1.5, 1.5});
output = _Convert(output, NCHW);
const std::vector<float> expectedOutput = {-3.0, 2.0, -4.5, 4.0};
auto gotOutput = output->readMap<float>();
if (!checkVector<float>(gotOutput, expectedOutput.data(), 4, 0.01)) {
MNN_ERROR("PreluTest test failed!\n");
return false;
}
return true;
}
};
class PreluTestInt8 : public MNNTestCase {
public:
virtual ~PreluTestInt8() = default;
virtual bool run(int precision) {
auto input = _Input({1, 12, 4, 2}, NCHW);
input->setName("input_tensor");
// set input data
input->writeScaleMap(0.02745, -18.714);
const float inpudata[] = {-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
-1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0, -1.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0};
auto inputPtr = input->writeMap<float>();
memcpy(inputPtr, inpudata, 96 * sizeof(float));
input->unMap();
input = _Convert(input, NC4HW4);
auto output = _PRelu(input, {3.0, 1.5, 1.5, 1.5, 3.0, 1.5, 1.5, 1.5, 3.0, 1.5, 1.5, 1.5});
output = _Convert(output, NCHW);
const std::vector<float> expectedOutput = {-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-4.5, -4.5, -4.5, -4.5, -4.5, -4.5, -4.5, -4.5,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-4.5, -4.5, -4.5, -4.5, -4.5, -4.5, -4.5, -4.5,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-4.5, -4.5, -4.5, -4.5, -4.5, -4.5, -4.5, -4.5,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0
};
output->writeScaleMap(0.03333, 7.f);
auto gotOutput = output->readMap<float>();
if (!checkVector<float>(gotOutput, expectedOutput.data(), 96, 0.1)) {
MNN_ERROR("PreluTest test 1 failed!\n");
return false;
}
// prelu: one slope
auto output1 = _PRelu(input, {3.0});
output1 = _Convert(output1, NCHW);
const std::vector<float> expectedOutput1 = {-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-9.0, -9.0, -9.0, -9.0, -9.0, -9.0, -9.0, -9.0,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-9.0, -9.0, -9.0, -9.0, -9.0, -9.0, -9.0, -9.0,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
-3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0, -3.0,
2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0,
-9.0, -9.0, -9.0, -9.0, -9.0, -9.0, -9.0, -9.0,
4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0,
};
output1->writeScaleMap(0.05098, 48.54);
auto gotOutput1 = output1->readMap<float>();
if (!checkVector<float>(gotOutput1, expectedOutput1.data(), 96, 0.1)) {
MNN_ERROR("PreluTest test 2 failed!\n");
return false;
}
return true;
}
};
MNNTestSuiteRegister(PreluTest, "op/prelu");
MNNTestSuiteRegister(PreluTestInt8, "op/preluInt8");