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MultiplyHigh function (winnt.h)

  • Article

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

Syntax

LONGLONG MultiplyHigh(
  [in] LONG64 Multiplier,
  [in] LONG64 Multiplicand
);

Parameters

[in] Multiplier

The first integer.

[in] Multiplicand

The second integer.

Return value

The high 64 bits of the product.

Requirements

Requirement Value
Target Platform Windows
Header winnt.h