MultiplyHigh function

Multiplies two 64-bit integers to produce a 128-bit integer and gets the high 64 bits.

Syntax

LONGLONG WINAPI MultiplyHigh(
  _In_ LONG64 Multiplier,
  _In_ LONG64 Multiplicand
);

Parameters

Multiplier [in]

The first integer.

Multiplicand [in]

The second integer.

Return value

The high 64 bits of the product.

Requirements