32 lines
940 B
C++
32 lines
940 B
C++
#pragma once
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#include <memory>
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#include <cmath>
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#include "SparseVector.h"
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namespace MbD {
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template <typename T>
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class SparseRow : public SparseVector<T>
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{
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public:
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SparseRow(){}
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SparseRow(size_t n) : SparseVector<T>(n) {}
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SparseRow(std::initializer_list<std::pair<const size_t, T>> list) : SparseVector<T>{ list } {}
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SparseRow(std::initializer_list<std::initializer_list<T>> list) : SparseVector<T>{ list } {}
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std::shared_ptr<SparseRow<double>> timesconditionedWithTol(double scaling, double tol);
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};
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using SpRowDsptr = std::shared_ptr<SparseRow<double>>;
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template<>
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inline std::shared_ptr<SparseRow<double>> SparseRow<double>::timesconditionedWithTol(double scaling, double tol)
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{
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auto answer = std::make_shared<SparseRow<double>>(this->size());
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for (auto const& keyValue : *this)
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{
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auto val = keyValue.second * scaling;
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if (std::abs(val) >= tol) (*answer)[keyValue.first] = val;
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}
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return answer;
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}
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}
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