is_approx.hpp

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