ScalarTraits.hpp

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#ifndef XPED_SCALAR_TRAITS_H_
#define XPED_SCALAR_TRAITS_H_
 
#include <complex>
 
namespace Xped {
 
template <typename Scalar>
struct ScalarTraits
{};
 
template <>
struct ScalarTraits<double>
{
    typedef double Real;
    typedef std::complex<double> Comp;
    static inline double epsilon() { return 1.e-12; }
    static constexpr bool IS_COMPLEX() { return false; }
};
 
template <typename RealScalar_>
struct ScalarTraits<std::complex<RealScalar_>>
{
    typedef RealScalar_ Real;
    typedef std::complex<RealScalar_> Comp;
    static inline Real epsilon() { return static_cast<Real>(1.e-12); }
    static constexpr bool IS_COMPLEX() { return true; }
};
 
} // namespace Xped
#endif