llMulDiv
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4/8/2010
This function multiplies a by b, adds rnd to the 128-bit result, then divides by c.
Syntax
LONGLONG WINAPI llMulDiv(
LONGLONG a,
LONGLONG b,
LONGLONG c,
LONGLONG rnd
);
Return Value
Returns either the (a * b + rnd)/c calculation or one of the following values.
| Value | Description |
|---|---|
0x7FFFFFFFFFFFFFFF |
Overflow occurred because the result is too large (positive). |
0x8000000000000000 |
Overflow occurred because the result is too large (negative). |
Remarks
Rounding on the division is toward zero. Division by zero is counted as an overflow condition.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |