/usr/include/oce/math_FunctionWithDerivative.hxx is in liboce-foundation-dev 0.17.1-1.
This file is owned by root:root, with mode 0o644.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _math_FunctionWithDerivative_HeaderFile
#define _math_FunctionWithDerivative_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <math_Function.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
//! This abstract class describes the virtual functions associated with
//! a function of a single variable for which the first derivative is
//! available.
class math_FunctionWithDerivative : public math_Function
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT virtual void Delete() ;
Standard_EXPORT virtual ~math_FunctionWithDerivative(){Delete();}
//! Computes the value <F>of the function for the variable <X>.
//! Returns True if the calculation were successfully done,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Value (const Standard_Real X, Standard_Real& F) = 0;
//! Computes the derivative <D> of the function
//! for the variable <X>.
//! Returns True if the calculation were successfully done,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D) = 0;
//! Computes the value <F> and the derivative <D> of the
//! function for the variable <X>.
//! Returns True if the calculation were successfully done,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D) = 0;
protected:
private:
};
#endif // _math_FunctionWithDerivative_HeaderFile
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