GeodesicEngineHeat.h

/*
 * Copyright 2025 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#ifndef LAGRANGE_GEODESIC_WITH_GEOMETRYCENTRAL
    #error "GeodesicEngineHeat requires the lagrange::geodesic::geometrycentral component"
#endif
 
#include <lagrange/geodesic/GeodesicEngine.h>
 
namespace lagrange::geodesic {

template <typename Scalar, typename Index>
class GeodesicEngineHeat : public GeodesicEngine<Scalar, Index>
{
public:
    using Super = GeodesicEngine<Scalar, Index>; 
    using Mesh = typename Super::Mesh; 
 
public:
    explicit GeodesicEngineHeat(Mesh& mesh);
 
    virtual ~GeodesicEngineHeat();
    GeodesicEngineHeat(GeodesicEngineHeat&&);
    GeodesicEngineHeat& operator=(GeodesicEngineHeat&&);
    GeodesicEngineHeat(const GeodesicEngineHeat&) = delete;
    GeodesicEngineHeat& operator=(const GeodesicEngineHeat&) = delete;

    SingleSourceGeodesicResult single_source_geodesic(
        const SingleSourceGeodesicOptions& options) override;
 
protected:
    struct Impl;
    lagrange::value_ptr<Impl> m_impl;
};

template <typename Scalar, typename Index>
GeodesicEngineHeat<Scalar, Index> make_heat_engine(SurfaceMesh<Scalar, Index>& mesh)
{
    return GeodesicEngineHeat<Scalar, Index>(mesh);
}
 
} // namespace lagrange::geodesic