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Re: beginner question, NSNumber, NSDecimalAsNumber

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Re: beginner question, NSNumber, NSDecimalAsNumber

Subject: Re: beginner question, NSNumber, NSDecimalAsNumber
From: Thomas Wetmore <email@hidden>
Date: Mon, 09 Nov 2009 11:42:52 -0500

These functions return how many one bits there are in a number, not how many bit positions are needed to represent the number as a bit- string with no leading zeros. They are fun but have no utility in solving the OP's question.

TW

There are some examples of how to do this here, including some really, really clever methods.

http://gurmeetsingh.wordpress.com/2008/08/05/fast-bit-counting-routines/


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Follow-Ups:

Re: beginner question, NSNumber, NSDecimalAsNumber
From: Alastair Houghton <email@hidden>


References:  
  >beginner question, NSNumber, NSDecimalAsNumber (From: Jay Swartzfeger <email@hidden>)
  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Ron Fleckner <email@hidden>)
  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Graham Cox <email@hidden>)
  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Thomas Wetmore <email@hidden>)
  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Alastair Houghton <email@hidden>)
  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Graham Cox <email@hidden>)
  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Alastair Houghton <email@hidden>)




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