Logarithm1p.hpp

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#ifndef SXEVAL_OPERATIONS_LOGARITHM1P_HPP
#define SXEVAL_OPERATIONS_LOGARITHM1P_HPP
 
#include "sxeval/AOperation.hpp"
#include <cmath>
 
 
/* DEFINITIONS */
 
namespace sxeval {
namespace operations {
 
template <typename T>
class Logarithm1p : public AOperation<T> {
public:
    static constexpr const char* KEY = "log1p";
    static constexpr const int ARITY_MIN = 1;
    static constexpr const int ARITY_MAX = 1;
 
    inline Logarithm1p(const std::vector<IInstruction<T>*>& args) :
        AOperation<T>(args) {}
 
    void execute() override;
 
    inline std::string toString() const override { return KEY; }
 
};
 
} /* namespace operations */
} /* namespace sxeval */
 
 
/* IMPLEMENTATIONS */
 
template <typename T>
constexpr const char* sxeval::operations::Logarithm1p<T>::KEY;
 
template <typename T>
void sxeval::operations::Logarithm1p<T>::execute() {
    this->_result = static_cast<T>(std::log1p(this->_args.front().get()));
}
 
#endif /* SXEVAL_OPERATIONS_LOGARITHM1P_HPP */