TAPsD1Array.cpp

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/******************************************************************************
TAPsD1Array.cpp

Simple Data Structure (cpp file).

SUKITTI PUNAK   (08/25/2008)
******************************************************************************/
#include "TAPsD1Array.hpp"
// Using Inclusion Model (i.e. definitions are included in declarations)
//                       (this name.cpp is included in name.hpp)
// Each friend is defined directly inside its declaration.

BEGIN_NAMESPACE_TAPs__DS
//=============================================================================
//-----------------------------------------------------------------------------
template <typename T>
D1Array<T>::D1Array ( unsigned int size, unsigned int stride )
    : m_atData( NULL), m_uiSize( size ), m_uiStride( stride )
{
    if ( size == 0 ) {
        std::cerr << "ERROR (D1Array Ctor): Size is less than one!" << std::endl;
        exit( -1 );
    }
    if ( stride == 0 ) {
        std::cerr << "ERROR (D1Array Ctor): Stride is less than one!" << std::endl;
        exit( -1 );
    }
    if ( !(m_atData = new T[size * stride]) ) {
        std::cerr << "ERROR (D1Array Ctor): Cannot allocate data for D1Array<" << typeid(T).name() 
                    << "> with size ("<< m_uiSize << ") and stride (" << m_uiStride << ")!" << std::endl;
        exit( -1 );
    }
}
//-----------------------------------------------------------------------------
template <typename T>
D1Array<T>::~D1Array ()
{
    if ( m_atData ) {
        delete [] m_atData;
    }
}
//-----------------------------------------------------------------------------
template <typename T>
bool D1Array<T>::Resize ( unsigned int size, unsigned int stride )
{
    if ( size == 0 ) {
        std::cerr << "ERROR (D1Array Ctor): Size is less than one!" << std::endl;
        return false;
    }
    if ( stride == 0 ) {
        std::cerr << "ERROR (D1Array Ctor): Stride is less than one!" << std::endl;
        return false;
    }
    T * newArray = new T[size * stride];
    if ( !newArray ) {
        std::cerr << "ERROR (D1Array Ctor): Cannot allocate data for D1Array<" << typeid(T).name() 
                    << "> with size ("<< m_uiSize << ") and stride (" << m_uiStride << ")!" << std::endl;
        return false;
    }
    unsigned int max = m_uiSize*m_uiStride;
    if ( max < size*stride )    max = size*stride;
    for ( unsigned int i = 0; i < max; ++i ) {
        newArray[i] = m_atData[i];
    }
    delete [] m_atData;
    m_atData    = newArray;
    m_uiSize    = size;
    m_uiStride  = stride;
    return true;
}
//-----------------------------------------------------------------------------
template <typename T>
std::string D1Array<T>::StrInfo () const
{
    std::ostringstream ss;
    ss << "D1Array<" << typeid(T).name() << "> with size ("<< m_uiSize << ") and stride (" << m_uiStride << ").";
    return ss.str();
}   
//-----------------------------------------------------------------------------
template <typename T>
std::string D1Array<T>::StrArrayData () const
{
    std::ostringstream ss;
    ss << "D1Array<" << typeid(T).name() << "> with size ("<< m_uiSize << ") and stride (" << m_uiStride << ").\n";
    ss << std::fixed;
    for ( unsigned int i = 0, p = 0; i < m_uiSize; ++i ) {
        ss << "\t# " << i << ":";
        for ( unsigned int s = 0; s < m_uiStride; ++s ) {
            ss << "\t" << std::setprecision(6) << m_atData[p++];
        }
        ss << "\n";
    }
    return ss.str();
}   
//-----------------------------------------------------------------------------
template <typename T>
inline D1Array<T> & D1Array<T>::operator= ( D1Array<T> const & obj )
{   
    if ( m_atData ) {
        delete [] m_atData;
    }
    m_uiSize   = obj.m_uiSize;
    m_uiStride = obj.m_uiStride;
    if ( !m_atData = new T[size * stride] ) {
        std::cerr << "ERROR (D1Array Assignment Operator): Cannot allocate data for D1Array<" << typeid(T).name() 
                    << "> with size ("<< m_uiSize << ") and stride (" << m_uiStride << ")!" << std::endl;
        exit( -1 );
    }
    return *this;
}
//-----------------------------------------------------------------------------
//=============================================================================
END_NAMESPACE_TAPs__DS
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