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101 lines
3.4 KiB
Plaintext
Executable File
101 lines
3.4 KiB
Plaintext
Executable File
-- Created on: 1997-10-29
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-- Created by: Roman BORISOV
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-- Copyright (c) 1997-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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class ProfileMatrix from FEmTool inherits SparseMatrix from FEmTool
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---Purpose: Symmetric Sparse ProfileMatrix useful for 1D Finite
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-- Element methods
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uses
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HArray1OfInteger from TColStd,
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Array1OfInteger from TColStd,
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Array2OfInteger from TColStd,
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HArray1OfReal from TColStd,
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Vector from math
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raises
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NotDone from StdFail,
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NotImplemented from Standard,
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OutOfRange from Standard
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is
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Create(FirstIndexes : Array1OfInteger)
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returns mutable ProfileMatrix from FEmTool;
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Init(me: mutable; Value : Real);
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ChangeValue(me: mutable; I, J : Integer)
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---C++: return &
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returns Real
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raises OutOfRange;
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Decompose(me : mutable)
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---Purpose: To make a Factorization of <me>
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returns Boolean;
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Solve(me; B : Vector; X : in out Vector)
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---Purpose: Direct Solve of AX = B
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raises NotDone from StdFail; -- if <me> is not decomposed
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Prepare(me : mutable)
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---Purpose: Make Preparation to iterative solve
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returns Boolean
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raises NotImplemented from Standard;
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Solve(me; B : Vector;
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Init : Vector;
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X : out Vector;
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Residual : out Vector;
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Tolerance : Real = 1.0e-8;
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NbIterations: Integer = 50)
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---Purpose: Iterative solve of AX = B
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raises NotDone from StdFail; -- if <me> is not prepared;
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Multiplied(me; X: Vector; MX : in out Vector);
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---Purpose: returns the product of a SparseMatrix by a vector.
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-- An exception is raised if the dimensions are different
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RowNumber(me)
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---Purpose: returns the row range of a matrix.
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returns Integer;
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ColNumber(me)
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---Purpose: returns the column range of the matrix.
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returns Integer;
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IsInProfile(me; i, j : Integer)
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returns Boolean;
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-- for debug
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OutM(me);
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OutS(me);
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fields
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profile : Array2OfInteger; -- Like MPOSIT in Fortran
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ProfileMatrix : HArray1OfReal; -- Like AMATRI in Fortran
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SMatrix : HArray1OfReal; -- Like SMATRI in Fortran
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NextCoeff : HArray1OfInteger; -- Like POSUIV in Fortran
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IsDecomp : Boolean;
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end ProfileMatrix;
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