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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
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
// Created on: 1991-05-13
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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_FunctionWithDerivative_HeaderFile
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#define _math_FunctionWithDerivative_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 <math_Function.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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//! This abstract class describes the virtual functions associated with
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//! a function of a single variable for which the first derivative is
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//! available.
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class math_FunctionWithDerivative : public math_Function
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Computes the value <F>of the function for the variable <X>.
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//! Returns True if the calculation were successfully done,
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//! False otherwise.
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Standard_EXPORT virtual Standard_Boolean Value (const Standard_Real X, Standard_Real& F) = 0;
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//! Computes the derivative <D> of the function
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//! for the variable <X>.
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//! Returns True if the calculation were successfully done,
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//! False otherwise.
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Standard_EXPORT virtual Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D) = 0;
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//! Computes the value <F> and the derivative <D> of the
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//! function for the variable <X>.
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//! Returns True if the calculation were successfully done,
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//! False otherwise.
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Standard_EXPORT virtual Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D) = 0;
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Standard_EXPORT virtual ~math_FunctionWithDerivative();
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protected:
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private:
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};
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#endif // _math_FunctionWithDerivative_HeaderFile
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