include/opencascade/MathUtils_GaussKronrodWeights.hxx

0001 // Copyright (c) 2025 OPEN CASCADE SAS
0002 //
0003 // This file is part of Open CASCADE Technology software library.
0004 //
0005 // This library is free software; you can redistribute it and/or modify it under
0006 // the terms of the GNU Lesser General Public License version 2.1 as published
0007 // by the Free Software Foundation, with special exception defined in the file
0008 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0009 // distribution for complete text of the license and disclaimer of any warranty.
0010 //
0011 // Alternatively, this file may be used under the terms of Open CASCADE
0012 // commercial license or contractual agreement.
0013
0014 #ifndef _MathUtils_GaussKronrodWeights_HeaderFile
0015 #define _MathUtils_GaussKronrodWeights_HeaderFile
0016
0017 //! @file MathUtils_GaussKronrodWeights.hxx
0018 //! Wrapper for accessing Gauss-Kronrod quadrature weights.
0019 //! This header isolates the old class math from the new namespace MathUtils.
0020 //! Implementation is in MathUtils_GaussKronrodWeights.cxx to avoid conflicts.
0021
0022 #include <Standard_Macro.hxx>
0023 #include <math_Vector.hxx>
0024
0025 //! Core utilities for modern math solvers.
0026 namespace MathUtils
0027 {
0028
0029 //! Get Gauss-Kronrod points and weights.
0030 //! @param theNbKronrod number of Kronrod points (should be 2n+1)
0031 //! @param thePoints output vector for points
0032 //! @param theWeights output vector for weights
0033 //! @return true if successful
0034 Standard_EXPORT bool GetKronrodPointsAndWeights(int          theNbKronrod,
0035                                                 math_Vector& thePoints,
0036                                                 math_Vector& theWeights);
0037
0038 //! Get ordered Gauss points and weights.
0039 //! @param theNbGauss number of Gauss points
0040 //! @param thePoints output vector for points
0041 //! @param theWeights output vector for weights
0042 //! @return true if successful
0043 Standard_EXPORT bool GetOrderedGaussPointsAndWeights(int          theNbGauss,
0044                                                      math_Vector& thePoints,
0045                                                      math_Vector& theWeights);
0046
0047 } // namespace MathUtils
0048
0049 #endif // _MathUtils_GaussKronrodWeights_HeaderFile