include/opencascade/math_GaussSetIntegration.hxx

0001 // Created on: 1996-01-22
0002 // Created by: Philippe MANGIN
0003 // Copyright (c) 1996-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _math_GaussSetIntegration_HeaderFile
0018 #define _math_GaussSetIntegration_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <math_Vector.hxx>
0024 #include <math_IntegerVector.hxx>
0025 #include <Standard_OStream.hxx>
0026 class math_FunctionSet;
0027
0028
0029 //! -- This class implements the integration of a set of N
0030 //! functions of M  variables variables between the
0031 //! parameter bounds Lower[a..b] and Upper[a..b].
0032 //! Warning: - The case M>1 is not implemented.
0033 class math_GaussSetIntegration
0034 {
0035 public:
0036
0037   DEFINE_STANDARD_ALLOC
0038
0039
0040
0041   //! The Gauss-Legendre integration with Order = points of
0042   //! integration for each unknown, is done on the function F
0043   //! between the bounds Lower and Upper.
0044   Standard_EXPORT math_GaussSetIntegration(math_FunctionSet& F, const math_Vector& Lower, const math_Vector& Upper, const math_IntegerVector& Order);
0045
0046   //! returns True if all has been correctly done.
0047     Standard_Boolean IsDone() const;
0048
0049   //! returns the value of the integral.
0050     const math_Vector& Value() const;
0051
0052   //! Prints information on the current state of the object.
0053   Standard_EXPORT void Dump (Standard_OStream& o) const;
0054
0055
0056
0057
0058 protected:
0059
0060
0061
0062
0063
0064 private:
0065
0066
0067
0068   math_Vector Val;
0069   Standard_Boolean Done;
0070
0071
0072 };
0073
0074
0075 #include <math_GaussSetIntegration.lxx>
0076
0077
0078
0079
0080
0081 #endif // _math_GaussSetIntegration_HeaderFile