bitMaskClear
Description
Performs a bitwise mask clear operation.
Categories
Related
Syntax
BitMaskClear(number, start, length)
Attributes
| Attribute | Description | Required | Default |
|---|---|---|---|
| length | Integer, in the range 0-31, inclusive; length of mask | ||
| number | 32-bit signed integer | ||
| start | Integer, in the range 0-31, inclusive; start bit for mask |
Returns
A number,
bitwise cleared, with length bits beginning at start.
Usage
Bit functions operate on 32-bit signed integers, in the range -2147483648 – 2147483647.
Example
<h3>BitMaskClear Example</h3> Returns number bitwise cleared with length bits beginning from start.</p> BitMaskClear(255, 4, 4): <cfoutput>#BitMaskClear(255, 4, 4)#</cfoutput></p> BitMaskClear(255, 0, 4): <cfoutput>#BitMaskClear(255, 0, 4)#</cfoutput></p> BitMaskClear(128, 0, 7): <cfoutput>#BitMaskClear(128, 0, 7)#</cfoutput></p>