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documentation:development:opera:pf25:ppgfldr:pgsfldr:spr:01spr019
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CountBits
Counts the number of bits set in a word.
Synopsis
int CountBits(uint32 mask);
Description
CountBits examines the longword passed in as a parameter and returns the number of bits that are turned on in the word, using an algorithm derived from a note in MIT's HAKMEM.
Arguments
- mask The data word to count the bits of.
Return Value
The number of bits that were turned on in the supplied value.
Implementation
Convenience call implemented in clib.lib V21.
Associated Files
- string.h ANSI C Prototype
- clib.lib ARM Link library
See Also
FindMSB(), FindLSB()
documentation/development/opera/pf25/ppgfldr/pgsfldr/spr/01spr019.txt · Last modified: 2022/10/10 16:53 by 127.0.0.1
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