CurrentSource.hpp

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#ifndef _CURRENTSOURCE_HPP_INC_
#define _CURRENTSOURCE_HPP_INC_
#include "CircuitElements/Component.hpp"
#include "Maths/DynamicMatrix.hpp"
 
template<typename T>
struct CurrentSource : public Component<T> {
 public:
    T value = 0;
 
    size_t n1 = 0;
    size_t n2 = 0;
 
    void addStaticStampTo(Stamp<T> & stamp) const {
        // the p means prime ( ' ) and is used for the index - 1
        size_t n1p = n1 - 1;
        size_t n2p = n2 - 1;
 
        if (n1) {
            stamp.s(n1p, 0) += -value;
        }
 
        if (n2) {
            stamp.s(n2p, 0) += value;
        }
    }
 
    void addDCAnalysisStampTo(Stamp<T> & stamp, const Matrix<T> & solutionVector,
                              size_t numCurrents) const {
        addStaticStampTo(stamp);
    }
 
    static void
    addToElements(const std::string & line, CircuitElements<T> & elements,
                  size_t & numNodes, size_t & numCurrents, size_t & numDCCurrents) {
        // std::regex currentSourceRegex( R"(^I(.*?)\s(\d+?)\s(\d+?)\s(.+?)\s?$)" );
        std::regex currentSourceRegex = generateRegex("I", "n n w");
        CurrentSource<T> currentSource;
        std::smatch matches;
 
        std::regex_match(line, matches, currentSourceRegex);
        currentSource.n1 = std::stoi(matches.str(2));
        currentSource.n2 = std::stoi(matches.str(3));
 
        numNodes = std::max(numNodes, std::stoull(matches.str(2)));
        numNodes = std::max(numNodes, std::stoull(matches.str(3)));
 
        if constexpr (std::is_same_v<T, double> || std::is_same_v<T, float>) {
            currentSource.value = std::stod(matches.str(4));
        } else {
            static_assert("Unsupported Type");
        }
 
        elements.staticElements.emplace_back(
            std::make_shared<CurrentSource<T> >(currentSource));
    }
};
 
#endif