Unit 'sysutils' Package
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TCardinalHelper.HighestSetBitPos

Return the position of the leftmost bit set

Declaration

Source position: syshelph.inc line 656

public function TCardinalHelper.HighestSetBitPos: Int8;

Description

HighestSetBitPos scans the Cardinal, starting at the leftmost position and working towards position 0, and returns the index of the first set bit. The position is measured from the 0-th, rightmost bit. When there are no bits set, the result is -1.

See also

System.BsrByte

  

Return the position of the leftmost set bit in an 8-bit value

TCardinalHelper.SetBit

  

Set bit to 1

TCardinalHelper.ClearBit

  

Set bit to 0

TCardinalHelper.ToggleBit

  

Invert bit

TCardinalHelper.TestBit

  

Check bit

TCardinalHelper.LowestSetBitPos

  

Return the position of the rightmost bit set

TCardinalHelper.SetBitsCount

  

Count number of bits set

TCardinalHelper.Bits

  

Read or write a bit


Documentation generated on: Sep 29 2022