2f88bd3a12
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
36 lines
755 B
C
36 lines
755 B
C
/** @file
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Math worker functions.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "BaseLibInternals.h"
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/**
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Returns the value of the highest bit set in a 64-bit value. Equivalent to
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1 << log2(x).
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This function computes the value of the highest bit set in the 64-bit value
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specified by Operand. If Operand is zero, then zero is returned.
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@param Operand The 64-bit operand to evaluate.
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@return 1 << HighBitSet64(Operand)
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@retval 0 Operand is zero.
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**/
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UINT64
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EFIAPI
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GetPowerOfTwo64 (
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IN UINT64 Operand
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)
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{
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if (Operand == 0) {
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return 0;
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}
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return LShiftU64 (1, (UINTN)HighBitSet64 (Operand));
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}
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