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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
// Created on: 1991-05-14
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// Created by: Laurent PAINNOT
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _math_GaussSingleIntegration_HeaderFile
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#define _math_GaussSingleIntegration_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_OStream.hxx>
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class StdFail_NotDone;
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class math_Function;
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//! This class implements the integration of a function of a single variable
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//! between the parameter bounds Lower and Upper.
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//! Warning: Order must be inferior or equal to 61.
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class math_GaussSingleIntegration
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT math_GaussSingleIntegration();
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//! The Gauss-Legendre integration with N = Order points of integration,
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//! is done on the function F between the bounds Lower and Upper.
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Standard_EXPORT math_GaussSingleIntegration(math_Function& F, const Standard_Real Lower, const Standard_Real Upper, const Standard_Integer Order);
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//! The Gauss-Legendre integration with N = Order points of integration and
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//! given tolerance = Tol is done on the function F between the bounds
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//! Lower and Upper.
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Standard_EXPORT math_GaussSingleIntegration(math_Function& F, const Standard_Real Lower, const Standard_Real Upper, const Standard_Integer Order, const Standard_Real Tol);
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//! returns True if all has been correctly done.
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Standard_Boolean IsDone() const;
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//! returns the value of the integral.
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Standard_Real Value() const;
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//! Prints information on the current state of the object.
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Standard_EXPORT void Dump (Standard_OStream& o) const;
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protected:
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private:
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//! perfoms actual computation
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Standard_EXPORT void Perform (math_Function& F, const Standard_Real Lower, const Standard_Real Upper, const Standard_Integer Order);
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Standard_Real Val;
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Standard_Boolean Done;
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};
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#include <math_GaussSingleIntegration.lxx>
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#endif // _math_GaussSingleIntegration_HeaderFile
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