Subversion Repositories OpenSees

/* ****************************************************************** **

**    OpenSees - Open System for Earthquake Engineering Simulation    **

**          Pacific Earthquake Engineering Research Center            **

**                                                                    **

**                                                                    **

** (C) Copyright 1999, The Regents of the University of California    **

** All Rights Reserved.                                               **

**                                                                    **

** Commercial use of this program without express permission of the   **

** University of California, Berkeley, is strictly prohibited.  See   **

** file 'COPYRIGHT'  in main directory for information on usage and   **

** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **

**                                                                    **

** Developed by:                                                      **

**   Frank McKenna (fmckenna@ce.berkeley.edu)                         **

**   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **

**   Filip C. Filippou (filippou@ce.berkeley.edu)                     **

**                                                                    **

** ****************************************************************** */

// $Revision: 1.7 $

// $Date: 2004-04-12 19:11:31 $

// $Source: /usr/local/cvs/OpenSees/SRC/matrix/ID.cpp,v $

// Written: fmk 

// Revision: A

//

// Description: This file contains the class implementation for ID.

//

// What: "@(#) ID.C, revA"

#include "ID.h"

#include <stdlib.h>

int ID::ID_NOT_VALID_ENTRY = 0;

// ID():

//      Standard constructor, sets size = 0;

ID::ID()

  :sz(0), data(0), arraySize(0), fromFree(0)

{

}

// ID(int size):

//      Constructor used to allocate a ID of size size.

ID::ID(int size)

  :sz(size), data(0), arraySize(size), fromFree(0)

{

#ifdef _G3DEBUG

  if (sz <= 0) {

    opserr << "ID::ID(int) - size " << size << " specified <= 0\n";

    sz = 1;

    arraySize = 1;

  }

#endif    

  // create the space for the data & check space was available

  //  data = (int *)malloc(size*sizeof(int));

  data = new int[size];

  if (data == 0) {

    opserr << "ID::ID(int): ran out of memory with size " << size << endln;

    exit(-1);

  }

  // zero the data

  for (int i=0; i<size; i++)

    data[i] = 0;

}

// ID(int size):

//      Constructor used to allocate a ID of size size.

ID::ID(int size, int arraySz)

  :sz(size), data(0), arraySize(arraySz), fromFree(0)

{

#ifdef _G3DEBUG

  if (sz < 0) {

    opserr << "ID::ID(size, arraySize) - size " << size << " specified < 0\n";

    sz = 0;

  }

  if (arraySz <= 0) {

    opserr << "ID::ID(size, arraySize) - arraySize " << arraySz << " specified < 0\n";

    if (sz != 0)

      arraySz = sz;

    else

      arraySz = 1;

  }

  if (arraySz < sz) {

    opserr << "ID::ID(size, arraySize) - arraySize " << arraySz  << " specified < " << size << endln;

    arraySz = sz;

  }

#endif    

  // create the space

  //  data = (int *)malloc(arraySize*sizeof(int));

  data = new int[arraySize];

  if (data == 0) {

    opserr << "ID::ID(int, int): ran out of memory with arraySize: " << arraySize << endln;

    exit(-1);

  }

  // zero the data

  for (int i=0; i<arraySize; i++)

    data[i] = 0;

}

ID::ID(int *d, int size, bool cleanIt)

  :sz(size), data(d), arraySize(size), fromFree(1)

{

  if (d == 0) { // OOPS must have been other constructor we wanted

    sz = 0;

    data = 0;

    arraySize = size;

    fromFree = 0;

    // create the space

    if (arraySize != 0) {

      data = (int *)malloc(arraySize*sizeof(int));

      if (data == 0) {

        opserr << "ID::ID(int, int): ran out of memory with arraySize " << arraySize << endln;

        exit(-1);

      }

    }

    // zero the data

    for (int i=0; i<arraySize; i++)

      data[i] = 0;

  }

  if (cleanIt == true)

    fromFree = 0;

}

// ID(const ID&):

//      Constructor to init a ID from another.

ID::ID(const ID &other)

  :sz(other.sz), data(0), arraySize(other.arraySize), fromFree(0)

{

  // create the space

  //  data = (int *)malloc(arraySize*sizeof(int));

  data = new int[arraySize];

  if (data == 0) {

    opserr << "ID::ID(ID): ran out of memory with arraySize " << arraySize << endln,

    exit(-1);

  }

  // copy the data 

  for (int i=0; i<sz; i++)

    data[i] = other.data[i];

}      

// ~ID():

//      destructor, deletes the [] data

ID::~ID()

{

  if (data != 0 && fromFree == 0)

    //    free((void *)data);

    delete [] data;

}

int

ID::setData(int *newData, int size, bool cleanIt){

  if (data != 0 && fromFree == 0)

    //    free((void *)data);

    delete [] data;

  sz = size;

  data = newData;

  if (cleanIt == false)

    fromFree = 1;

  else

    fromFree = 0;

  if (sz <= 0) {

    opserr << "ID::ID(int *, size) - size " << size << " specified <= 0\n";

    sz = 0;

  }

  return 0;

}

void

ID::Zero(void)

{

  for (int i=0; i<sz; i++)

    data[i] =0;

}

int

ID::getLocation(int value) const

{

  // search through ID for the value

  for (int i=0; i<sz; i++)

    if (data[i] == value)

      return i;

  // if we get here the value is not in the array

  return -1;

}

int

ID::removeValue(int value)

{

  int place = -1;

  for (int i=0; i<sz; i++)

    if (data[i] == value) {

      place = i;

      // copy the rest of the components down one in ID

      for (int j=i; j<sz-1; j++)

        data[j] = data[j+1];           

      sz--;

    }

  return place;

}    

int &

ID::operator[](int x)

{

#ifdef _G3DEBUG

  // check if it is inside range [0,sz-1]

  if (x < 0) {

    opserr << "ID::[] - location " << x << " < 0\n";

    return ID_NOT_VALID_ENTRY;

  }

#endif

  // see if quick return

  if (x < sz)

    return data[x];

  /*

   * otherwise we have to enlarge the order of the ID

   */

  // see if we can just enlarge the array

  // without having to go get more space

  if (x < arraySize) {

    for (int i=sz; i<x; i++)

      data[i] = 0;

    sz = x+1;

    return data[x];

  }

  // otherwise we go get more space

  if (x >= arraySize) {

    int newArraySize = arraySize * 2;

    if (newArraySize < x)

      newArraySize = x;

    //    int *newData = (int *)malloc(newArraySize*sizeof(int));    

    int *newData = new int[newArraySize];

    if (newData != 0) {

      // copy the old

      for (int i=0; i<sz; i++)

        newData[i] = data[i];

      // zero the new

      for (int j=sz; j<arraySize; j++)

        newData[j] = 0;

      sz = x+1;

      // release the memory held by the old

      //      free((void *)data);           

      delete [] data;

      data = newData;

      arraySize = newArraySize;

      return newData[x];

    }

    else {

      // we could not allocate more mem .. leave the current size

      opserr << "ID::[]): ran out of memory with arraySize " << arraySize << endln;

      return ID_NOT_VALID_ENTRY;

    }

  }

  // we should never get here, but some compilers need this line

  return ID_NOT_VALID_ENTRY;   

}

// ID &operator=(const ID  &V):

//      the assignment operator, This is assigned to be a copy of V. if sizes

//      are not compatable this.data [] is deleted. The data pointers will not

//      point to the same area in mem after the assignment.

//

ID &

ID::operator=(const ID &V)

{

    // first check we are not trying v = v

    if (this != &V) {

        // check size compatability, if different delete

        // old and make room for new.

        if (sz != V.sz) {

            if (arraySize < V.sz) {

                arraySize = V.sz;

                if (data != 0)

                  //free((void *)data);

                  delete [] data;

                //              data = (int *)malloc(arraySize*sizeof(int));            

                data = new int[arraySize];

                // check we got the memory requested

                if (data == 0) {

                    opserr << "WARNING ID::=(ID) - ran out of memory ";

                    opserr << "for new array of size" << arraySize << endln;

                    sz = 0;

                    arraySize = 0;

                }

            }

            sz = V.sz;

        }

        // copy the data

        for (int i=0; i<sz; i++)

            data[i] = V(i);

    }

    return *this;

}

// friend OPS_Stream &operator<<(OPS_Stream &s, const ID &V)

//      A function is defined to allow user to print the IDs using OPS_Streams.

OPS_Stream &operator<<(OPS_Stream &s, const ID &V)

{

    for (int i=0; i<V.Size(); i++)

    {

        s << V(i) << " ";

    }

    return s << endln;

}

// friend istream &operator>>(istream &s, ID &V)

//      A function is defined to allow user to input the data into a ID which has already

//      been constructed with data, i.e. ID(int) or ID(const ID &) constructors.

/*

istream &operator>>(istream &s, ID &V)

{

    for (int i=0; i<V.Size(); i++)

        s >> V(i);

    return s;

}

*/