Re: math error: modulo

2011-07-15 Thread Alan Chaney

What other languages?

In Java '%' in this case means  the remainder of

the remainder of  dividing -1 by 12 is -1, as is -13 %12 or -25 % 12.

I'd be interested to know which other language does what you say.

HTH

Alan


On 7/15/2011 3:07 PM, seven.reeds wrote:

int x = 0;
int y = -1;
x = y % 12;


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Re: math error: modulo

2011-07-15 Thread Jeff Chimene
On 07/15/2011 03:25 PM, Alan Chaney wrote:
 What other languages?
 
 In Java '%' in this case means  the remainder of
 
 the remainder of  dividing -1 by 12 is -1, as is -13 %12 or -25 % 12.
 
 I'd be interested to know which other language does what you say.

http://en.wikipedia.org/wiki/Modulo_operation#Modulo_operation

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Re: math error: modulo

2011-07-15 Thread Seven Reeds
on redhat

perl -e'print STDOUT (-1 % 12), \n;'

yeilds 11

I thought php gave 11 but i tried it again and it is giving me -1.

php -r'echo (-1 % 12),\n;'

Nuts.  Well, a math friend tells me that modulo operators are flakey
and that he always writes his own to make sure he knows what he will
get.

sigh

On Fri, Jul 15, 2011 at 5:25 PM, Alan Chaney a...@mechnicality.com wrote:
 What other languages?

 In Java '%' in this case means  the remainder of

 the remainder of  dividing -1 by 12 is -1, as is -13 %12 or -25 % 12.

 I'd be interested to know which other language does what you say.

 HTH

 Alan


 On 7/15/2011 3:07 PM, seven.reeds wrote:

 int x = 0;
 int y = -1;
 x = y % 12;

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