sigmoidal_projection_utils.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   license: OptimizationApplication/license.txt
//
//  Main author:     Reza Najian Asl,
//                   Suneth Warnakulasuriya
//
 
#pragma once
 
// System includes
#include <vector>
 
// Project includes
#include "includes/define.h"
#include "expression/container_expression.h"
 
// Application includes
 
namespace Kratos
{
 
 
class KRATOS_API(OPTIMIZATION_APPLICATION) SigmoidalProjectionUtils
{
public:
 
    using IndexType = std::size_t;
 
 
    template<class TContainerType>
    static ContainerExpression<TContainerType> ProjectForward(
        const ContainerExpression<TContainerType>& rInputExpression,
        const std::vector<double>& rXValues,
        const std::vector<double>& rYValues,
        const double Beta,
        const int PenaltyFactor);
 
    template<class TContainerType>
    static ContainerExpression<TContainerType> ProjectBackward(
        const ContainerExpression<TContainerType>& rInputExpression,
        const std::vector<double>& rXValues,
        const std::vector<double>& rYValues,
        const double Beta,
        const int PenaltyFactor);
 
    template<class TContainerType>
    static ContainerExpression<TContainerType> CalculateForwardProjectionGradient(
        const ContainerExpression<TContainerType>& rInputExpression,
        const std::vector<double>& rXValues,
        const std::vector<double>& rYValues,
        const double Beta,
        const int PenaltyFactor);
 
};
 
}