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-- File: FunctionSet.cdl
-- Created: Mon May 13 15:21:04 1991
-- Author: Laurent PAINNOT
-- <lpa@topsn3>
--Copyright: Matra Datavision 1991
deferred class FunctionSet from math
---Purpose:
-- This abstract class describes the virtual functions associated to
-- a set on N Functions of M independant variables.
uses Vector from math
is
Delete(me:out) is virtual;
---C++: alias "Standard_EXPORT virtual ~math_FunctionSet(){Delete();}"
NbVariables(me)
---Purpose: Returns the number of variables of the function.
returns Integer
is deferred;
NbEquations(me)
---Purpose: Returns the number of equations of the function.
returns Integer
is deferred;
Value(me: in out; X: Vector; F: out Vector)
---Purpose: Computes the values <F> of the functions for the
-- variable <X>.
-- returns True if the computation was done successfully,
-- False otherwise.
returns Boolean
is deferred;
GetStateNumber(me: in out)
---Purpose: 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.
returns Integer
is virtual;
end FunctionSet;
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