indicator.cpp

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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.
 */
 
 
// =======
// Headers
// =======
 
#include "./indicator.h"
 
 
// =========
// Indicator
// =========
 
 
Indicator::Indicator(double a_, double b_)
{
    this->a = a_;
    this->b = b_;
}
 
 
// ==================
// Indicator function (float)
// ==================
 
 
float Indicator::function(const float lambda_) const
{
    if ((lambda_ < this->a) || (lambda_ > this->b))
    {
        return 0.0f;
    }
    else
    {
        return 1.0f;
    }
}
 
 
// ==================
// Indicator function (double)
// ==================
 
 
double Indicator::function(const double lambda_) const
{
    if ((lambda_ < this->a) || (lambda_ > this->b))
    {
        return 0.0;
    }
    else
    {
        return 1.0;
    }
}
 
 
// ==================
// Indicator function (long double)
// ==================
 
 
long double Indicator::function(const long double lambda_) const
{
    if ((lambda_ < this->a) || (lambda_ > this->b))
    {
        return 0.0l;
    }
    else
    {
        return 1.0l;
    }
}