Date Calendar::adjust(const Date& d,
BusinessDayConvention c) const {
QL_REQUIRE(d != Date(), "null date");
if (c == Unadjusted)
return d;
Date d1 = d;
if (c == Following || c == ModifiedFollowing) {
while (isHoliday(d1))
d1++;
if (c == ModifiedFollowing) {
if (d1.month() != d.month()) {
return adjust(d,Preceding);
}
}
} else if (c == Preceding || c == ModifiedPreceding) {
while (isHoliday(d1))
d1--;
if (c == ModifiedPreceding && d1.month() != d.month()) {
return adjust(d,Following);
}
} else {
QL_FAIL("unknown business-day convention");
}
return d1;
}
void Date::shift ( void ){//Shift this date to previous working days (useful for benchmarks)
if ( ! set() )
return ;
while(isHoliday(*this)||isweekend()){
date->tm_mday -= 1 ;
mktime ( date );
}
}
int main(int argc,char **argv) {
_Bool holiday = isHoliday(7);
if(holiday) {
printf("Today is holiday.\n");
} else {
printf("Today is not holiday.\n");
}
int age=30;
if(age > 18) {
printf("you are old enough to get a work.\n");
} else {
printf("you should go to school.\n");
}
int day=6;
switch(day) {
case 1:
printf("Today is Monday.\n");
break;
case 2:
printf("Today is Tuesday.\n");
break;
case 3:
printf("Today is Wednesday.\n");
break;
case 4:
printf("Today is Thursday.\n");
break;
case 5:
printf("Today is Friday.\n");
break;
case 6:
printf("Today is Saturday.\n");
break;
case 7:
printf("Today is Sunday.\n");
break;
default:
printf("Today is Unknown Day.\n");
break;
}
for(day=0;day<10;day++) {
print_day(day);
}
}
Date Calendar::advance(const Date& d,
Integer n, TimeUnit unit,
BusinessDayConvention c,
bool endOfMonth) const {
QL_REQUIRE(d!=Date(), "null date");
if (n == 0) {
return adjust(d,c);
} else if (unit == Days) {
Date d1 = d;
if (n > 0) {
while (n > 0) {
d1++;
while (isHoliday(d1))
d1++;
n--;
}
} else {
while (n < 0) {
d1--;
while(isHoliday(d1))
d1--;
n++;
}
}
return d1;
} else if (unit == Weeks) {
Date d1 = d + n*unit;
return adjust(d1,c);
} else {
Date d1 = d + n*unit;
// we are sure the unit is Months or Years
if (endOfMonth && isEndOfMonth(d))
return Calendar::endOfMonth(d1);
return adjust(d1, c);
}
}
