OpenSees » SRC » analysis » model » simple

SimpleDOF_Iter.cpp

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00001 /* ****************************************************************** **
00002 **    OpenSees - Open System for Earthquake Engineering Simulation    **
00003 **          Pacific Earthquake Engineering Research Center            **
00004 **                                                                    **
00005 **                                                                    **
00006 ** (C) Copyright 1999, The Regents of the University of California    **
00007 ** All Rights Reserved.                                               **
00008 **                                                                    **
00009 ** Commercial use of this program without express permission of the   **
00010 ** University of California, Berkeley, is strictly prohibited.  See   **
00011 ** file 'COPYRIGHT'  in main directory for information on usage and   **
00012 ** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
00013 **                                                                    **
00014 ** Developed by:                                                      **
00015 **   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
00016 **   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
00017 **   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
00018 **                                                                    **
00019 ** ****************************************************************** */
00020                                                                         
00021 // $Revision: 1.1.1.1 $
00022 // $Date: 2000/09/15 08:23:17 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/analysis/model/simple/SimpleDOF_Iter.cpp,v $
00024                                                                         
00025                                                                         
00026 // File: ~/analysis/model/simple/SimpleDOF_Iter.C
00027 //
00028 // Written: fmk 
00029 // Created: Fri Sep 20 15:27:47: 1996
00030 // Revision: A
00031 //
00032 // Description: This file contains the method definitions for class 
00033 // SimpleDOF_Iter. SimpleDOF_Iter is a class for iterating through the 
00034 // DOF_Groups of an simple analysis mdoel. 
00035 
00036 #include "SimpleDOF_Iter.h"
00037 #include "AnalysisModel.h"
00038 
00039 
00040 // SimpleDOF_Iter(AnalysisModel *theModel):
00041 //      constructor that takes the model, just the basic iter
00042 
00043 SimpleDOF_Iter::SimpleDOF_Iter(AnalysisModel &theModel)
00044   :myModel(theModel), currIndex(0), numDone(0)
00045 {
00046 }
00047 
00048 
00049 SimpleDOF_Iter::~SimpleDOF_Iter()
00050 {
00051 }    
00052 
00053 void
00054 SimpleDOF_Iter::reset(void)
00055 {
00056     currIndex = 0;
00057     numDone = 0;
00058 }
00059 
00060 
00061 DOF_Group *
00062 SimpleDOF_Iter::operator()(void)
00063 {
00064   // check if we still have elements in the model
00065   // if not return 0, indicating we are done
00066 
00067   if (numDone >= myModel.numDOF_Grp)
00068     return 0;
00069 
00070   // search through domains ele list till we find the next element
00071   while ((currIndex < myModel.sizeDOF) 
00072          && (myModel.theDOFs[currIndex] == 0))
00073       currIndex++;
00074 
00075   // if not at the end of the list return the element
00076   if (currIndex < myModel.sizeDOF) {
00077       DOF_Group *result = myModel.theDOFs[currIndex];
00078       numDone++; currIndex++;
00079       return(result);
00080   }
00081   return (0);
00082 }
00083 
00084     
00085

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