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ConstantSeries.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: 1.2 $
00022 // $Date: 2003/02/14 23:00:59 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/domain/pattern/ConstantSeries.cpp,v $
00024 
00025 // File: ~/domain/pattern/ConstantSeries.C
00026 //
00027 // Written: fmk 
00028 // Created: 07/99
00029 // Revision: A
00030 //
00031 // Purpose: This file contains the class definition for ConstantSeries.
00032 // ConstantSeries is a concrete class. A ConstantSeries object provides
00033 // a linear time series. the factor is given by the pseudoTime and 
00034 // a constant factor provided in the constructor.
00035 //
00036 // What: "@(#) ConstantSeries.C, revA"
00037 
00038 
00039 #include <ConstantSeries.h>
00040 #include <Vector.h>
00041 #include <Channel.h>
00042 #include <classTags.h>
00043 
00044 ConstantSeries::ConstantSeries(double theFactor)
00045   :TimeSeries(TSERIES_TAG_ConstantSeries),
00046    cFactor(theFactor)
00047 {
00048   // does nothing
00049 }
00050 
00051 
00052 ConstantSeries::~ConstantSeries()
00053 {
00054   // does nothing
00055 }
00056 
00057 int
00058 ConstantSeries::sendSelf(int commitTag, Channel &theChannel)
00059 {
00060   int dbTag = this->getDbTag();
00061 
00062   Vector data(1);
00063   data(0) = cFactor;
00064   int result = theChannel.sendVector(dbTag,commitTag, data);
00065   if (result < 0) {
00066     opserr << "ConstantSeries::sendSelf() - channel failed to send data\n";
00067     return result;
00068   }
00069   return 0;
00070 }
00071 
00072 
00073 int 
00074 ConstantSeries::recvSelf(int commitTag, Channel &theChannel, 
00075                        FEM_ObjectBroker &theBroker)
00076 {
00077   int dbTag = this->getDbTag();
00078   Vector data(1);
00079   int result = theChannel.recvVector(dbTag,commitTag, data);
00080   if (result < 0) {
00081     opserr << "ConstantSeries::sendSelf() - channel failed to receive data\n";
00082     cFactor = 1.0;
00083     return result;
00084   }
00085   cFactor = data(0);
00086 
00087   return 0;    
00088 }
00089 
00090 
00091 void
00092 ConstantSeries::Print(OPS_Stream &s, int flag)
00093 {
00094     s << "Constant Series: factor: " << cFactor << "\n";
00095 
00096 }

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