BornAgain  1.19.0
Simulate and fit neutron and x-ray scattering at grazing incidence
mathconstants.h
Go to the documentation of this file.
1 // ************************************************************************************************
2 //
3 // qt-mvvm: Model-view-view-model framework for large GUI applications
4 //
5 //! @file mvvm/model/mvvm/utils/mathconstants.h
6 //! @brief Defines class CLASS?
7 //!
8 //! @homepage http://www.bornagainproject.org
9 //! @license GNU General Public License v3 or higher (see COPYING)
10 //! @copyright Forschungszentrum Jülich GmbH 2020
11 //! @authors Gennady Pospelov et al, Scientific Computing Group at MLZ (see CITATION, AUTHORS)
12 //
13 // ************************************************************************************************
14 
15 #ifndef BORNAGAIN_MVVM_MODEL_MVVM_UTILS_MATHCONSTANTS_H
16 #define BORNAGAIN_MVVM_MODEL_MVVM_UTILS_MATHCONSTANTS_H
17 
18 #ifndef M_PI
19 #define M_PI 3.14159265358979323846264338327950288 /* pi */
20 #endif
21 
22 #endif // BORNAGAIN_MVVM_MODEL_MVVM_UTILS_MATHCONSTANTS_H