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License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
111 lines
3.2 KiB
Plaintext
111 lines
3.2 KiB
Plaintext
-- Created on: 1991-05-13
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-- Created by: Laurent PAINNOT
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-- Copyright (c) 1991-1999 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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class FunctionRoots from math
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---Purpose:
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-- This class implements an algorithm which finds all the real roots of
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-- a function with derivative within a given range.
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-- Knowledge of the derivative is required.
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uses FunctionWithDerivative from math,
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SequenceOfReal from TColStd,
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SequenceOfInteger from TColStd,
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OStream from Standard
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raises RangeError from Standard,
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NotDone from StdFail
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is
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Create(F: in out FunctionWithDerivative; A, B: Real;
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NbSample: Integer; EpsX, EpsF, EpsNull, K : Real= 0.0)
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---Purpose: Calculates all the real roots of a function F-K within the range
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-- A..B. whithout conditions on A and B
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-- A solution X is found when
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-- abs(Xi - Xi-1) <= Epsx and abs(F(Xi)-K) <= EpsF.
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-- The function is considered as null between A and B if
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-- abs(F-K) <= EpsNull within this range.
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returns FunctionRoots;
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IsDone(me)
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---Purpose: Returns true if the computations are successful, otherwise returns false.
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---C++: inline
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returns Boolean
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is static;
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IsAllNull(me)
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---Purpose:
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-- returns true if the function is considered as null between A and B.
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-- Exceptions
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-- StdFail_NotDone if the algorithm fails (and IsDone returns false).
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---C++: inline
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returns Boolean
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raises NotDone
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is static;
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NbSolutions(me)
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---Purpose: Returns the number of solutions found.
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-- Exceptions
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-- StdFail_NotDone if the algorithm fails (and IsDone returns false).
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---C++: inline
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returns Integer
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raises NotDone
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is static;
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Value(me; Nieme: in Integer)
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---Purpose: Returns the Nth value of the root of function F.
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-- Exceptions
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-- StdFail_NotDone if the algorithm fails (and IsDone returns false).
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---C++: inline
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returns Real
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raises NotDone, RangeError
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is static;
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StateNumber(me; Nieme: in Integer)
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---Purpose:
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-- returns the StateNumber of the Nieme root.
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-- Exception RangeError is raised if Nieme is < 1
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-- or Nieme > NbSolutions.
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---C++: inline
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returns Integer
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raises NotDone
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is static;
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Dump(me; o: in out OStream)
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---Purpose: Prints on the stream o information on the current state
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-- of the object.
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is static;
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fields
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Done: Boolean;
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AllNull: Boolean;
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Sol: SequenceOfReal from TColStd;
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NbStateSol: SequenceOfInteger from TColStd;
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end FunctionRoots;
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