sarrayops2.hpp

C++ Templates 完全导引范例

/* The following code example is taken from the book
 * "C++ Templates - The Complete Guide"
 * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
 *
 * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
// additive assignment of SArray
template<class T>
SArray<T>& SArray<T>::operator+= (SArray<T> const& b)
{
    for (size_t k = 0; k<size(); ++k) {
        (*this)[k] += b[k];
    }
    return *this;
}

// multiplicative assignment of SArray
template<class T>
SArray<T>& SArray<T>::operator*= (SArray<T> const& b)
{
    for (size_t k = 0; k<size(); ++k) {
        (*this)[k] *= b[k];
    }
    return *this;
}

// multiplicative assignment of scalar
template<class T>
SArray<T>& SArray<T>::operator*= (T const& s)
{
    for (size_t k = 0; k<size(); ++k) {
        (*this)[k] *= s;
    }
    return *this;
}