scalar_traits.h

 
#ifndef __e384f4f7485d447c8d3f33406a0f5f7e
#define __e384f4f7485d447c8d3f33406a0f5f7e
 
#include <complex>
#include <type_traits>
 
namespace lf::base {
 
template <class T, typename = void>
struct IsScalar {
  static constexpr bool value = false;
};
 
template <class T>
struct IsScalar<T, std::enable_if_t<std::is_arithmetic_v<T>>> {
  static constexpr bool value = true;
};
 
template <class T>
struct IsScalar<std::complex<T>, std::enable_if_t<std::is_arithmetic_v<T>>> {
  static constexpr bool value = true;
};
 
template <class T>
inline constexpr bool is_scalar = IsScalar<T>::value;
 
}  // namespace lf::base
 
#endif  // __e384f4f7485d447c8d3f33406a0f5f7e