is_strictly_upper_triangular.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_FUNCTORS_IS_STRICTLY_UPPER_TRIANGULAR_H
#define pRC_CORE_FUNCTORS_IS_STRICTLY_UPPER_TRIANGULAR_H
 
#include <prc/core/basic/basics.hpp>
 
namespace pRC
{
    struct IsStrictlyUpperTriangular
    {
        template<class X>
            requires requires { isStrictlyUpperTriangular(declval<X>()); }
        constexpr decltype(auto) operator()(X &&a) const
        {
            return isStrictlyUpperTriangular(forward<X>(a));
        }
 
        template<class X, class XT>
            requires requires {
                isStrictlyUpperTriangular(declval<X>(), declval<XT>());
            }
        constexpr decltype(auto) operator()(X &&a, XT &&tolerance) const
        {
            return isStrictlyUpperTriangular(forward<X>(a),
                forward<XT>(tolerance));
        }
    };
}
#endif // pRC_CORE_FUNCTORS_IS_STRICTLY_UPPER_TRIANGULAR_H