consteig/api/sgn_8hpp_source.html

#ifndef CONSTMATH_SGN_HPP

#define CONSTMATH_SGN_HPP


namespace consteig

{


template <typename T> constexpr T sgn(const T x)

{

    return ( // positive

        x > static_cast<T>(0) ? static_cast<T>(1) :

                              // negative

            x < static_cast<T>(0) ? static_cast<T>(-1)

                                  :

                                  // else

            static_cast<T>(0));

}


} // namespace consteig


#endif

consteig::sgn
constexpr T sgn(const T x)
Signum function: returns +1, -1, or 0.
Definition sgn.hpp:15

consteig::epsilon
constexpr T epsilon()
Machine epsilon for type T.
Definition utilities.hpp:82