Ripples.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Sample/HardParticle/Ripples.h
//! @brief     Declares computations in namespace ripples.
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************** //
 
#ifndef BORNAGAIN_CORE_HARDPARTICLE_RIPPLES_H
#define BORNAGAIN_CORE_HARDPARTICLE_RIPPLES_H
 
#include "Base/Types/Complex.h"
 
//! Computations for elongated particles.
namespace ripples
{
 
complex_t factor_x_box(complex_t q, double l);
complex_t factor_x_Gauss(complex_t q, double l);
complex_t factor_x_Lorentz(complex_t q, double l);
 
complex_t profile_yz_bar(complex_t qy, complex_t qz, double width, double height);
complex_t profile_yz_cosine(complex_t qy, complex_t qz, double width, double height);
complex_t profile_yz_triangular(complex_t qy, complex_t qz, double width, double height,
                                double asymmetry);
 
} // namespace ripples
 
#endif // BORNAGAIN_CORE_HARDPARTICLE_RIPPLES_H