Culvert.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_CULVERT_HPP
#define OPENSWMM_CULVERT_HPP
 
#include <vector>
 
namespace openswmm {
 
struct SimulationContext;
struct XSectParams;
 
namespace culvert {

struct CulvertCoeffs {
    double form = 0.0;
    double K = 0.0;
    double M = 0.0;
    double C = 0.0;
    double Y = 0.0;
};

CulvertCoeffs getCoeffs(int culvert_code);

double getInflow(double q0, double y, const XSectParams& xs, double slope, int code, double& dqdh,
                 bool& controls);
 
} // namespace culvert
} // namespace openswmm
 
#endif // OPENSWMM_CULVERT_HPP