1 // Created on: 1995-05-29
2 // Created by: Xavier BENVENISTE
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2012 OPEN CASCADE SAS
6 // The content of this file is subject to the Open CASCADE Technology Public
7 // License Version 6.5 (the "License"). You may not use the content of this file
8 // except in compliance with the License. Please obtain a copy of the License
9 // at http://www.opencascade.org and read it completely before using this file.
11 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14 // The Original Code and all software distributed under the License is
15 // distributed on an "AS IS" basis, without warranty of any kind, and the
16 // Initial Developer hereby disclaims all such warranties, including without
17 // limitation, any warranties of merchantability, fitness for a particular
18 // purpose or non-infringement. Please see the License for the specific terms
19 // and conditions governing the rights and limitations under the License.
22 #ifndef _Standard_Integer_HeaderFile
23 #include <Standard_Integer.hxx>
25 #ifndef _Standard_Real_HeaderFile
26 #include <Standard_Real.hxx>
28 #ifndef _Standard_PrimitiveTypes_HeaderFile
29 #include <Standard_PrimitiveTypes.hxx>
31 #ifndef _AdvApprox_EvaluatorFunction_HeaderFile
32 #define _AdvApprox_EvaluatorFunction_HeaderFile
34 // abv 01.04.2009: the C function pointer converted to a virtual class
35 // in order to get rid of usage of static functions and static data
37 //! Interface for a class implementing a function to be approximated
38 //! by AdvApprox_ApproxAFunction
39 class AdvApprox_EvaluatorFunction
44 AdvApprox_EvaluatorFunction () {}
46 //! Destructor should be declared as virtual
47 virtual ~AdvApprox_EvaluatorFunction () {}
49 //! Function evaluation method to be defined by descendant
50 virtual void Evaluate (Standard_Integer *Dimension,
51 Standard_Real StartEnd[2],
52 Standard_Real *Parameter,
53 Standard_Integer *DerivativeRequest,
54 Standard_Real *Result, // [Dimension]
55 Standard_Integer *ErrorCode) = 0;
57 //! Shortcut for function-call style usage
58 void operator () (Standard_Integer *Dimension,
59 Standard_Real StartEnd[2],
60 Standard_Real *Parameter,
61 Standard_Integer *DerivativeRequest,
62 Standard_Real *Result, // [Dimension]
63 Standard_Integer *ErrorCode)
64 { Evaluate (Dimension, StartEnd, Parameter, DerivativeRequest, Result, ErrorCode); }
68 //! Copy constructor is declared private to forbid copying
69 AdvApprox_EvaluatorFunction (const AdvApprox_EvaluatorFunction&) {}
71 //! Assignment operator is declared private to forbid copying
72 void operator = (const AdvApprox_EvaluatorFunction&) {}