smoothstep.h

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/*
 *  SPDX-FileCopyrightText: Copyright 2021, Siavash Ameli <sameli@berkeley.edu>
 *  SPDX-License-Identifier: BSD-3-Clause
 *  SPDX-FileType: SOURCE
 *
 *  This program is free software: you can redistribute it and/or modify it
 *  under the terms of the license found in the LICENSE.txt file in the root
 *  directory of this source tree.
 */
 
 
#ifndef FUNCTIONS_SMOOTHSTEP_H_
#define FUNCTIONS_SMOOTHSTEP_H_
 
// =======
// Headers
// =======
 
#include "./functions.h"
 
 
// ===========
// Smooth Step
// ===========
 
 
class SmoothStep : public Function
{
    public:
        SmoothStep(double alpha_);
        virtual float function(const float lambda_) const;
        virtual double function(const double lambda_) const;
        virtual long double function(const long double lambda_) const;
        double alpha;
};
 
#endif  // FUNCTIONS_SMOOTHSTEP_H_