?? sales.cpp
字號:
// sales.cpp -- Sales implementation
#include "sales.h"
Sales::bad_index::bad_index(int ix, const char * s )
: std::logic_error(s), bi(ix)
{
}
Sales::Sales(int yy)
{
year = yy;
for (int i = 0; i < MONTHS; ++i)
gross[i] = 0;
}
Sales::Sales(int yy, const double * gr, int n)
{
year = yy;
int lim = (n < MONTHS)? n : MONTHS;
int i;
for (i = 0; i < lim; ++i)
gross[i] = gr[i];
// for i > n and i < MONTHS
for ( ; i < MONTHS; ++i)
gross[i] = 0;
}
double Sales::operator[](int i) const throw(std::logic_error)
{
if(i < 0 || i >= MONTHS)
throw bad_index(i);
return gross[i];
}
double & Sales::operator[](int i) throw(std::logic_error)
{
if(i < 0 || i >= MONTHS)
throw bad_index(i);
return gross[i];
}
LabeledSales::nbad_index::nbad_index(const char * lb, int ix,
const char * s ) : Sales::bad_index(ix, s)
{
std::strcpy(lbl, lb);
}
LabeledSales::LabeledSales(const char * lb, int yy)
: Sales(yy)
{
std::strcpy(label, lb);
}
LabeledSales::LabeledSales(const char * lb, int yy, const double * gr, int n)
: Sales(yy, gr, n)
{
std::strcpy(label, lb);
}
double LabeledSales::operator[](int i) const throw(std::logic_error)
{
if(i < 0 || i >= MONTHS)
throw nbad_index(Label(), i);
return Sales::operator[](i);
}
double & LabeledSales::operator[](int i) throw(std::logic_error)
{
if(i < 0 || i >= MONTHS)
throw nbad_index(Label(), i);
return Sales::operator[](i);
}
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