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-- File: FunctionWithDerivative.cdl
-- Created: Mon May 13 14:00:19 1991
-- Author: Laurent Painnot
-- <lpa@topsn3>
---Copyright: Matra Datavision 1991, 1992
deferred class FunctionWithDerivative from math
---Purpose:
-- This abstract class describes the virtual functions associated with
-- a function of a single variable for which the first derivative is
-- available.
inherits Function
is
Delete(me:out) is virtual;
---C++: alias "Standard_EXPORT virtual ~math_FunctionWithDerivative(){Delete();}"
Value(me: in out; X: Real; F: out Real)
---Purpose: Computes the value <F>of the function for the variable <X>.
-- Returns True if the calculation were successfully done,
-- False otherwise.
returns Boolean
is deferred;
Derivative(me: in out; X: Real; D: out Real)
---Purpose: Computes the derivative <D> of the function
-- for the variable <X>.
-- Returns True if the calculation were successfully done,
-- False otherwise.
returns Boolean
is deferred;
Values(me: in out; X: Real; F, D: out Real)
---Purpose: 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.
returns Boolean
is deferred;
end FunctionWithDerivative;
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