SpinResolvedBasisTransformable.hpp

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// This file is part of GQCG-GQCP.
//
// Copyright (C) 2017-2020  the GQCG developers
//
// GQCG-GQCP is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GQCG-GQCP is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GQCG-GQCP.  If not, see <http://www.gnu.org/licenses/>.
 
#pragma once
 
 
#include "Basis/Transformations/BasisTransformable.hpp"
 
 
namespace GQCP {
 
 
template <typename Type>
class SpinResolvedBasisTransformable:
    public BasisTransformable<Type> {
 
public:
    // The type of the transformation for which the basis transformation should be defined.
    using Transformation = typename BasisTransformableTraits<Type>::Transformation;
 
 
public:
    /*
     *  MARK: Conforming to `BasisTransformable`
     */
 
    Type transformed(const Transformation& T) const override {
 
        // Transform the components of 'this' with the components of the transformation matrix.
        const auto alpha_transformed = static_cast<const Type&>(*this).alpha().transformed(T.alpha());
        const auto beta_transformed = static_cast<const Type&>(*this).beta().transformed(T.beta());
 
        return Type {alpha_transformed, beta_transformed};
    }
};
 
 
}  // namespace GQCP