kopia lustrzana https://github.com/vsamy/DiFipp
99 wiersze
3.4 KiB
C++
99 wiersze
3.4 KiB
C++
// Copyright (c) 2019, Vincent SAMY
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// The views and conclusions contained in the software and documentation are those
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// of the authors and should not be interpreted as representing official policies,
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// either expressed or implied, of the FreeBSD Project.
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#pragma once
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#include "BaseFilter.h"
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namespace difi {
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template <typename T>
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class GenericFilter : public BaseFilter<T, GenericFilter<T>> {
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public:
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/*! \brief Filter a new data.
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*
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* This function is practical for online application that does not know the whole signal in advance.
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* \param data New data to filter.
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* \return Filtered data.
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*/
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T stepFilter(const T& data);
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/*! \brief Filter a signal.
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*
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* Filter all data given by the signal.
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* \param data Signal.
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* \return Filtered signal.
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*/
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vectX_t<T> filter(const vectX_t<T>& data);
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void resetFilter() noexcept;
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protected:
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GenericFilter() = default;
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GenericFilter(const vectX_t<T>& aCoeff, const vectX_t<T>& bCoeff, FilterType type = FilterType::Backward)
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: BaseFilter(aCoeff, bCoeff, type)
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{}
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};
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template <typename T>
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class TVGenericFilter : public BaseFilter<T, TVGenericFilter<T>> {
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public:
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/*! \brief Filter a new data.
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*
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* This function is practical for online application that does not know the whole signal in advance.
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* \param data New data to filter.
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* \return Filtered data.
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*/
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T stepFilter(const T& time, const T& data);
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/*! \brief Filter a signal.
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*
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* Filter all data given by the signal.
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* \param data Signal.
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* \return Filtered signal.
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*/
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vectX_t<T> filter(const vectX_t<T>& data, const vectX_t<T>& time);
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void resetFilter() noexcept;
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protected:
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TVGenericFilter() = default;
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TVGenericFilter(size_t differentialOrder, const vectX_t<T>& aCoeff, const vectX_t<T>& bCoeff, FilterType type = FilterType::Backward)
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: BaseFilter()
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, m_diffOrder(differentialOrder)
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{
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Expects(differentialOrder >= 1);
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setCoeffs(aCoeff, bCoeff);
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setType(type);
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}
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private:
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size_t m_diffOrder = 1;
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vectX_t<T> m_timers;
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};
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} // namespace difi
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#include "GenericFilter.tpp" |