BITMASKCLEAR |
Description Performs a bitwise mask clear operation.
Returns A number, bitwise cleared, with length bits beginning at start.
Category Mathematical functions
Function syntax
    BitMaskClear(number, start, length)
See also BitMaskRead, BitMaskSet
Parameters
Usage Bit 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>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>

NUMBER |

32-bit signed integer

START |

Integer, in the range 0-31, inclusive; start bit for mask

LENGTH |

Integer, in the range 0-31, inclusive; length of mask