// LONG.CPP - LongArray class implementation

#include "long.h"

LongArray::LongArray( unsigned sz, long defval )
{
  size = sz;
  data = new long[size];
  Init( defval );
}

LongArray::LongArray( const LongArray & L )
{
  size = L.size;
  initv = L.initv;
  data = new long[size];
  for(unsigned i = 0; i < size; i++)
    data[i] = L.data[i];
}

LongArray::~LongArray()
{
  delete [] data;
}

long LongArray::Get( unsigned i ) const
{
  assert( i < size );
  return data[i];
}

unsigned LongArray::GetSize() const
{
  return size;
}

void LongArray::GrowBy( unsigned growBy )
{
  unsigned tsize = size + growBy;
  long * temp = new long[tsize];

  // Copy the existing data.
  unsigned i;
  for(i = 0; i < size; i++)
    temp[i] = data[i];

  // Set new positions to initial values.
  for(i = size; i < tsize; i++)
    temp[i] = initv;

  size = tsize;   // update the size value
  delete [] data; // delete the old array
  data = temp;    // save pointer to new data
}

void LongArray::Init( long defval )
{
  initv = defval;
  for(unsigned i = 0; i < size; i++)
    data[i] = defval;
}

void LongArray::Put( unsigned i, long elt )
{
  assert( i < size );
  data[i] = elt;
}