/usr/include/oce/math_FunctionSet.hxx is in liboce-foundation-dev 0.17.2-2.
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_FunctionSet_HeaderFile
#define _math_FunctionSet_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <math_Vector.hxx>
//! This abstract class describes the virtual functions associated to
//! a set on N Functions of M independant variables.
class math_FunctionSet
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT virtual void Delete() ;
Standard_EXPORT virtual ~math_FunctionSet(){Delete();}
//! Returns the number of variables of the function.
Standard_EXPORT virtual Standard_Integer NbVariables() const = 0;
//! Returns the number of equations of the function.
Standard_EXPORT virtual Standard_Integer NbEquations() const = 0;
//! Computes the values <F> of the functions for the
//! variable <X>.
//! returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Value (const math_Vector& X, math_Vector& F) = 0;
//! Returns the state of the function corresponding to the
//! latestcall of any methods associated with the function.
//! This function is called by each of the algorithms
//! described later which define the function Integer
//! Algorithm::StateNumber(). The algorithm has the
//! responsibility to call this function when it has found
//! a solution (i.e. a root or a minimum) and has to maintain
//! the association between the solution found and this
//! StateNumber.
//! Byu default, this method returns 0 (which means for the
//! algorithm: no state has been saved). It is the
//! responsibility of the programmer to decide if he needs
//! to save the current state of the function and to return
//! an Integer that allows retrieval of the state.
Standard_EXPORT virtual Standard_Integer GetStateNumber() ;
protected:
private:
};
#endif // _math_FunctionSet_HeaderFile
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