C / C++ / MFC

const std::string s1("non unicode");
const std::wstring s2("unicode");

const size_t bytesize1 = s1.size() * sizeof(char);
const size_t bytesize2 = s2.size() * sizeof(wchar_t);

typedef std::basic_string< int >    IntStr;
 
int                 iValue = 1024;
IntStr              isInt( &iValue );
const std::wstring  s2( L"unicode" );
const std::string   s1( "non unicode" );
const size_t        stByteSize1 = s1.size() * sizeof( std::string::value_type );   // 11
const size_t        stByteSize2 = s2.size() * sizeof( std::wstring::value_type );  // 14
const size_t        stByteSize3 = isInt.size() * sizeof( IntStr::value_type );     // 4

const size_t stByteSize1 = s1.size() * sizeof(std::string::value_type);
const size_t stByteSize2 = s2.size() * sizeof(std::wstring::value_type);

const std::string::size_type stByteSize1 = s1.size() * sizeof(std::string::value_type);
const std::wstring::size_type stByteSize2 = s2.size() * sizeof(std::wstring::value_type);

James R. Twine wrote:

typedef std::basic_string< int > IntStr;

for(int i = 0; i < height; i++)<br />
{<br />
delete[] ImagePro[i];<br />
}<br />
delete[] ImagePro;

<br />
template < typename T ><br />
T **Allocate2DArray( int nRows, int nCols)<br />
{<br />
    T **ppi;<br />
    T *pool;<br />
    T *curPtr;<br />
    //(step 1) allocate memory for array of elements of column<br />
<br />
    ppi = new T*[nRows];<br />
<br />
    //(step 2) allocate memory for array of elements of each row<br />
    pool = new T [nRows * nCols];<br />
<br />
    // Now point the pointers in the right place<br />
    curPtr = pool;<br />
    for( int i = 0; i < nRows; i++)<br />
    {<br />
        *(ppi + i) = curPtr;<br />
         curPtr += nCols;<br />
    }<br />
    return ppi;<br />
}<br />
<br />
template < typename T ><br />
void Free2DArray(T** Array)<br />
{<br />
    delete [] *Array;<br />
    delete [] Array;<br />
}<br />
<br />
int main()<br />
{<br />
    double **d = Allocate2DArray<double>(10000, 10000);<br />
    d[0][0] = 10.0;<br />
    d[1][1] = 20.0;<br />
    d[9999][9999] = 2345.09;<br />
    Free2DArray(d);<br />
}<br />

Arrun wrote:

ImagePro = new double*[width];
for(int i = 0; i < height; i++)

Arrun wrote:

for(int i = 0; i < height; i++)
{
delete ImagePro[i];
}
delete ImagePro;

for(int i = 0; i < height; i++)
    delete [] ImagePro[i];
 
delete [] ImagePro;

"Take only what you need and leave the land as you found it." - Native American Proverb