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BitMaskClear
DescriptionPerforms
a bitwise mask clear operation.
ReturnsA number,
bitwise cleared, with length bits beginning at start.
Function syntaxBitMaskClear(number, start, length)
Parameters
Parameter
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Description
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number
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32-bit signed integer
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start
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Integer, in the range 0-31, inclusive; start
bit for mask
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length
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Integer, in the range 0-31, inclusive; length
of mask
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UsageBit functions
operate on 32-bit signed integers, in the range -2147483648 – 2147483647.
Example<h3>BitMaskClear Example</h3>
<p>Returns number bitwise cleared with length bits beginning from start.</p>
<p>BitMaskClear(255, 4, 4): <cfoutput>#BitMaskClear(255, 4, 4)#</cfoutput></p>
<p>BitMaskClear(255, 0, 4): <cfoutput>#BitMaskClear(255, 0, 4)#</cfoutput></p>
<p>BitMaskClear(128, 0, 7): <cfoutput>#BitMaskClear(128, 0, 7)#</cfoutput></p>
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