102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
#include "../sources/OnePoleFilter.h"
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#include "catch2/catch.hpp"
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#include "cnpy.h"
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#include "gsl/gsl-lite.hpp"
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#include <string>
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#include <filesystem>
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using namespace Catch::literals;
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template<class Type>
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void testInputOutput(const std::filesystem::path& inputNumpyFile, const std::filesystem::path& outputNumpyFile, Type gain)
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{
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const auto input = cnpy::npy_load(inputNumpyFile.string());
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REQUIRE( input.word_size == 8 );
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const auto inputSpan = gsl::make_span(input.data<double>(), input.shape[0]);
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const auto output = cnpy::npy_load(outputNumpyFile.string());
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REQUIRE( output.word_size == 8 );
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const auto outputSpan = gsl::make_span(output.data<double>(), output.shape[0]);
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auto size = std::min(outputSpan.size(), inputSpan.size());
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REQUIRE( size > 0 );
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std::vector<Type> inputData;
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std::vector<Type> expectedData;
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inputData.reserve(size);
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expectedData.reserve(size);
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for (auto& data: inputSpan)
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inputData.push_back(static_cast<Type>(data));
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for (auto& data: outputSpan)
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expectedData.push_back(static_cast<Type>(data));
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OnePoleFilter filter { gain };
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std::vector<Type> outputData (size);
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filter.processLowpass(inputData, outputData);
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for (size_t i = 0; i < size; ++i)
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REQUIRE( outputData[i] == Approx(expectedData[i]) );
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filter.reset();
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std::fill(outputData.begin(), outputData.end(), 0.0);
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std::vector<Type> gains(size);
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std::fill(gains.begin(), gains.end(), gain);
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filter.processLowpassVariableGain(inputData, outputData, gains);
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for (size_t i = 0; i < size; ++i)
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REQUIRE( outputData[i] == Approx(expectedData[i]) );
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}
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TEST_CASE("[OnePoleFilter] Float")
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{
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testInputOutput<float>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.1.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.1.npy",
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0.1f
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);
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testInputOutput<float>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.3.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.3.npy",
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0.3f
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);
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testInputOutput<float>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.5.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.5.npy",
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0.5f
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);
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testInputOutput<float>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.7.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.7.npy",
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0.7f
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);
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testInputOutput<float>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.9.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.9.npy",
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0.9f
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);
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}
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TEST_CASE("[OnePoleFilter] Double")
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{
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testInputOutput<double>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.1.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.1.npy",
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0.1f
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);
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testInputOutput<double>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.3.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.3.npy",
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0.3f
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);
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testInputOutput<double>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.5.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.5.npy",
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0.5f
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);
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testInputOutput<double>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.7.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.7.npy",
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0.7f
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);
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testInputOutput<double>(
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_input_gain_0.9.npy",
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std::filesystem::current_path() / "tests/TestFiles/OnePoleFilter/OPF_output_gain_0.9.npy",
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0.9f
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);
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}
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