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math_GlobOptMin - new global optimization minimization algorithm Extrema_GlobOptFuncCC, Extrema_ExtCC, Extrema_ExtCC2d - implementation of GlobOptMin algorithm to extrema curve / curve Extrema_CurveCache - deleted as obsolete code ChFi3d_Builder.cxx - fixed processing of extrema math_NewtonMinimum.cxx - fixed step to avoid incorrect behavior Test cases modification to meet new behavior.
105 lines
3.6 KiB
Plaintext
105 lines
3.6 KiB
Plaintext
-- Created on: 1995-07-18
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-- Created by: Modelistation
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-- Copyright (c) 1995-1999 Matra Datavision
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-- Copyright (c) 1999-2014 OPEN CASCADE SAS
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--
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-- This file is part of Open CASCADE Technology software library.
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--
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-- This library is free software; you can redistribute it and/or modify it under
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-- the terms of the GNU Lesser General Public License version 2.1 as published
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-- by the Free Software Foundation, with special exception defined in the file
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-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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-- distribution for complete text of the license and disclaimer of any warranty.
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--
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-- Alternatively, this file may be used under the terms of Open CASCADE
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-- commercial license or contractual agreement.
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generic class GenExtCC from Extrema
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(Curve1 as any;
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Tool1 as any; -- as ToolCurve(Curve1)
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Curve2 as any;
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Tool2 as any; -- as ToolCurve(Curve2)
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ArrayOfPnt as Transient from Standard; -- as returned by Extrema_CurveCache::Points()
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POnC as any;
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Pnt as any;
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Vec as any)
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---Purpose: It calculates all the distance between two curves.
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-- These distances can be maximum or minimum.
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uses SequenceOfReal from TColStd,
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Vector from math
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raises InfiniteSolutions from StdFail,
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NotDone from StdFail,
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OutOfRange from Standard
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is
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Create returns GenExtCC;
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---Purpose: Calculates all the distances as above
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-- between Uinf and Usup for C1 and between Vinf and Vsup
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-- for C2.
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Create (C1: Curve1; C2: Curve2) returns GenExtCC;
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---Purpose: It calculates all the distances.
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-- The function F(u,v)=distance(C1(u),C2(v)) has an
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-- extremum when gradient(f)=0. The algorithm uses
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-- Evtushenko's global optimization solver..
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Create (C1: Curve1; C2: Curve2; Uinf, Usup, Vinf, Vsup: Real) returns GenExtCC;
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---Purpose: Calculates all the distances as above
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-- between Uinf and Usup for C1 and between Vinf and Vsup
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-- for C2.
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SetParams(me: in out; C1: Curve1; C2: Curve2; Uinf, Usup, Vinf, Vsup: Real)
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---Purpose: Set params in case of empty constructor is usage.
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is static;
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Perform(me: in out) is static;
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---Purpose: Performs calculations.
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IsDone (me) returns Boolean
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---Purpose: Returns True if the distances are found.
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is static;
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NbExt (me) returns Integer
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---Purpose: Returns the number of extremum distances.
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raises NotDone from StdFail,
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-- if IsDone(me)=False.
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InfiniteSolutions from StdFail
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-- if IsParallel(me)= True.
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is static;
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SquareDistance (me; N: Integer =1) returns Real
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---Purpose: Returns the value of the Nth square extremum distance.
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raises NotDone from StdFail,
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-- if IsDone(me)=False.
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InfiniteSolutions from StdFail,
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-- if IsParallel(me)= True and N > 1.
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OutOfRange
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-- if N < 1 or N > NbExt(me)
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is static;
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Points (me; N: Integer; P1,P2: out POnC)
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---Purpose: Returns the points of the Nth extremum distance.
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-- P1 is on the first curve, P2 on the second one.
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raises NotDone from StdFail,
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-- if IsDone(me)=False.
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InfiniteSolutions from StdFail,
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-- if IsParallel(me)= True.
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OutOfRange
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-- if N < 1 or N > NbExt(me)
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is static;
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fields
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myLowBorder : Vector from math;
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myUppBorder : Vector from math;
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mySolCount : Integer from Standard;
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myPoints1 : SequenceOfReal from TColStd;
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myPoints2 : SequenceOfReal from TColStd;
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myC : Address from Standard [2];
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myDone : Boolean;
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end GenExtCC;
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