1 -- Created on: 1996-02-28
2 -- Created by: Philippe MANGIN
3 -- Copyright (c) 1996-1999 Matra Datavision
4 -- Copyright (c) 1999-2014 OPEN CASCADE SAS
6 -- This file is part of Open CASCADE Technology software library.
8 -- This library is free software; you can redistribute it and/or modify it under
9 -- the terms of the GNU Lesser General Public License version 2.1 as published
10 -- by the Free Software Foundation, with special exception defined in the file
11 -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 -- distribution for complete text of the license and disclaimer of any warranty.
14 -- Alternatively, this file may be used under the terms of Open CASCADE
15 -- commercial license or contractual agreement.
17 deferred class MultipleVarFunctionWithHessian from math
18 inherits MultipleVarFunctionWithGradient from math
22 uses Matrix from math,
27 ---Purpose: returns the number of variables of the function.
29 returns Integer is deferred;
32 Value(me: in out; X: Vector; F: out Real)
33 ---Purpose: computes the values of the Functions <F> for the
35 -- Returns True if the computation was done successfully,
38 returns Boolean is deferred;
41 Gradient(me: in out; X: Vector; G: out Vector)
42 ---Purpose:computes the gradient <G> of the functions for the
44 -- Returns True if the computation was done successfully,
47 returns Boolean is deferred;
50 Values(me: in out; X: Vector; F: out Real; G: out Vector)
51 ---Purpose: computes the value <F> and the gradient <G> of the
52 -- functions for the variable <X>.
53 -- Returns True if the computation was done successfully,
56 returns Boolean is deferred;
58 Values(me: in out; X: Vector; F: out Real; G: out Vector; H: out Matrix)
59 ---Purpose: computes the value <F>, the gradient <G> and the
60 -- hessian <H> of the functions for the variable <X>.
61 -- Returns True if the computation was done
62 -- successfully, False otherwise.
64 returns Boolean is deferred;
66 end MultipleVarFunctionWithHessian;