Add draft class for containing layout information after slicing

Core/Computation/ProcessedLayout.cpp

+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      Core/Computation/ProcessedLayout.cpp
+//! @brief     Implements class ProcessedLayout.
+//!
+//! @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)
+//
+// ************************************************************************** //
+
+#include "ProcessedLayout.h"

Core/Computation/ProcessedLayout.h

+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      Core/Computation/ProcessedLayout.h
+//! @brief     Defines class ProcessedLayout.
+//!
+//! @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 PROCESSEDLAYOUT_H
+#define PROCESSEDLAYOUT_H
+
+#include <memory>
+#include <vector>
+
+class FormFactorCoherentSum;
+class IInterferenceFunction;
+
+//! Data structure that contains preprocessed data for a single layout.
+//!
+//! If particles in the layout crossed the limits of the layer slices, these particles will
+//! be sliced themselves.
+//!
+//! @ingroup algorithms_internal
+
+class ProcessedLayout
+{
+public:
+
+private:
+    std::vector<FormFactorCoherentSum> m_formfactors;
+    std::unique_ptr<IInterferenceFunction> mP_iff;
+};
+
+#endif // PROCESSEDLAYOUT_H