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/** @file
Math worker functions.
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "BaseLibInternals.h"
/**
Returns the value of the highest bit set in a 32-bit value. Equivalent to
1 << log2(x).
This function computes the value of the highest bit set in the 32-bit value
specified by Operand. If Operand is zero, then zero is returned.
@param Operand The 32-bit operand to evaluate.
@return 1 << HighBitSet32(Operand)
@retval 0 Operand is zero.
**/
UINT32
EFIAPI
GetPowerOfTwo32 (
IN UINT32 Operand
)
{
if (0 == Operand) {
return 0;
}
return 1ul << HighBitSet32 (Operand);
}
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