Equation.h

#ifndef BIORBD_UTILS_EQUATION_H
#define BIORBD_UTILS_EQUATION_H
 
#include <vector>
#include <map>
#include "biorbdConfig.h"
#include "Utils/String.h"
 
namespace biorbd {
namespace utils {
 
class BIORBD_API Equation : public biorbd::utils::String
{
public:
    Equation();
 
    Equation(const char *string);
 
    Equation(const biorbd::utils::String &string);
 
    Equation(const std::basic_string<char> &string);
 
    static std::vector<biorbd::utils::Equation> splitIntoEquation(
            biorbd::utils::Equation wholeEq,
            const std::map<biorbd::utils::Equation, double>& variables);
 
    static double evaluateEquation(
            std::vector<biorbd::utils::Equation> wholeEq);
 
    static double evaluateEquation(
            biorbd::utils::Equation wholeEq);
 
    static double evaluateEquation(
            biorbd::utils::Equation wholeEq,
            const std::map<biorbd::utils::Equation, double>& variables);
 
    static void replaceCste(
            std::vector<biorbd::utils::Equation> &eq);
 
    static void replaceVar(
            biorbd::utils::Equation &eq,
            const std::map<biorbd::utils::Equation, double>& variables);
 
protected:
    static double evaluateEquation(
            std::vector<biorbd::utils::Equation> eq,
            unsigned int math);
 
    static std::vector<biorbd::utils::Equation> prepareMathSymbols();
};
 
}}
 
#endif // BIORBD_UTILS_EQUATION_H