Int32x32To64 macro (winnt.h)
Multiplies two signed 32-bit integers, returning a signed 64-bit integer result. The function performs optimally on 32-bit Windows.
Syntax
void Int32x32To64(
[in] a,
[in] b
);
Parameters
[in] a
The first signed 32-bit integer for the multiplication operation.
[in] b
The second signed 32-bit integer for the multiplication operation.
Return value
None
Remarks
This function is implemented on all platforms by optimal inline code: a single multiply instruction that returns a 64-bit result.
Please note that the function's return value is a 64-bit value, not a LARGE_INTEGER structure.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | winnt.h (include Windows.h) |