is_finite.hpp

Go to the documentation of this file.

// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_VALUE_FUNCTIONS_IS_FINITE_H
#define pRC_CORE_VALUE_FUNCTIONS_IS_FINITE_H
 
#include <cmath>
 
#include <prc/core/value/type_traits.hpp>
 
namespace pRC
{
    template<class T, If<IsFloat<T>> = 0>
    static inline constexpr auto isFinite([[maybe_unused]] T const &a)
    {
#if !defined(__FINITE_MATH_ONLY__) || __FINITE_MATH_ONLY__ == 0
        using std::isfinite;
        return isfinite(a());
#else
        return true;
#endif // ! __FINITE_MATH_ONLY__
    }
 
    template<class T, If<IsInteger<T>> = 0>
    static inline constexpr auto isFinite(T const &)
    {
        return true;
    }
}
#endif // pRC_CORE_VALUE_FUNCTIONS_IS_FINITE_H