exponential.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 <cmath>  // exp
#include "./exponential.h"
 
 
// ===========
// Exponential
// ===========
 
 
Exponential::Exponential(double coeff_)
{
    this->coeff = coeff_;
}
 
 
// ====================
// Exponential function (float)
// ====================
 
 
float Exponential::function(const float lambda_) const
{
    return std::exp(lambda_ * static_cast<float>(this->coeff));
}
 
 
// ====================
// Exponential function (double)
// ====================
 
 
double Exponential::function(const double lambda_) const
{
    return std::exp(lambda_ * static_cast<double>(this->coeff));
}
 
 
// ====================
// Exponential function (long double)
// ====================
 
 
long double Exponential::function(const long double lambda_) const
{
    return std::exp(lambda_ * static_cast<long double>(this->coeff));
}