Created
April 11, 2016 02:57
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| int CDate::operator-(const CDate d)const{ | |
| int days; | |
| int nm = (_Month + 9) % 12; // | |
| int ny = _Year - nm / 10; | |
| int nd = 365 * ny + ny / 4 - ny / 100 + ny / 400 + (nm * 306 + 5) / 10 + (_Day - 1); | |
| int nm1 = (d._Month + 9) % 12; | |
| int ny1 = d._Year - nm1 / 10; | |
| int nd1 = 365 * ny1 + ny1 / 4 - ny1 / 100 + ny1 / 400 + (nm1 * 365 + 5) / 10 + (d._Day - 1); | |
| days = nd - nd1; | |
| return days; | |
| } |
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