Multiplies two 32-bit values and then divides the 64-bit result by a third 32-bit value
#include <WinAPIMisc.au3>
_WinAPI_MulDiv ( $iNumber, $iNumerator, $iDenominator )
| $iNumber | Specifies the multiplicand |
| $iNumerator | Specifies the multiplier |
| $iDenominator | Specifies the number by which the result of the multiplication is to be divided |
| Success: | The result of the multiplication and division |
| Failure: | (-1), if either an overflow occurred or $iDenominator was 0 |
If the result is a positive half integer (ends in .5), it is rounded up.
If the result is a negative half integer, it is rounded down.
Search MulDiv in MSDN Library.