Roadway.hpp

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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2026 Caleb Buahin
//
// Licensed 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 CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

 
#ifndef OPENSWMM_ROADWAY_HPP
#define OPENSWMM_ROADWAY_HPP
 
namespace openswmm {
 
namespace roadway {
 
enum class SurfaceType : int {
    PAVED  = 0,
    GRAVEL = 1
};

double getFlow(double head_up, double head_down,
               double road_width, double road_length,
               SurfaceType surface, double& dqdh);

double getDischargeCoeff(double hw_ratio, SurfaceType surface);

double getSubmergenceFactor(double ht_ratio, SurfaceType surface);
 
} // namespace roadway
} // namespace openswmm
 
#endif // OPENSWMM_ROADWAY_HPP