Re: [PHP-DEV] Re: #22527 [Opn->Bgs]: Modulus returned negative value

[email protected] (Rasmus Lerdorf)
Newsgroups php.dev
Message-ID <[email protected]>
On Tue, 4 Mar 2003, Sascha Schumann wrote:

> > Well, Perl can lean the other way as well actually.  Try this:
> 
>     Is there some documentation why the default is as it is?

All I could find was this description of the Perl modulus operator:

  Binary ``%'' computes the modulus of two numbers. Given integer operands
  $a and $b: If $b is positive, then $a % $b is $a minus the largest
  multiple of $b that is not greater than $a. If $b is negative, then $a %
  $b is $a minus the smallest multiple of $b that is not less than $a 
  (i.e. the result will be less than or equal to zero). Note than when use 
  integer is in scope, ``%'' give you direct access to the modulus 
  operator as implemented by your C compiler. This operator is not as well 
  defined for negative operands, but it will execute faster.

-Rasmus
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