Sorry, the mailer made a hash of my msg.

+/"r has integrated rank
support but (+/%#)"r does not.
Therein lies an opportunity for an
improvement in the 
implementation.

   ts=: 6!:2 , 7!:[EMAIL PROTECTED] 

   x=: 5 5e5
[EMAIL PROTECTED] 0  NB. wide   
   ts '(+/%#)"1 x'
0.0777057 4.1961e6
   ts '(+/"1
x)%{:$x'
0.0110925 1792

   x=: 5e5 5 [EMAIL PROTECTED] 0  NB. tall
   ts
'(+/%#)"1 x'
0.612025 4.1961e6   
   ts '(+/"1 x)%{:$x'0.033295 8.39014e6

   x=: 1580 1600 [EMAIL PROTECTED] 0 NB. squarish
   ts '(+/%#)"1 x'
0.0167924 34432
  
ts '(+/"1 x)%{:$x'
0.0112939 34304



----- Original Message -----
From: Roger Hui <[EMAIL PROTECTED]>
Date: Thursday, July 26, 2007 0:04
Subject: [Jprogramming] (+/%#)"r
To: Programming forum <[email protected]>

> +/"r has integrated rank support but (+/%#)"r does not.Therein 
> lies an opportunity for an improvement in the implementation.   
> ts=: 6!:2 , 7!:[EMAIL PROTECTED]    x=: 5 5e5 [EMAIL PROTECTED] 0  NB. wide   
> ts '(+/%#)"1 
> x'0.0777057 4.1961e6   ts '(+/"1 x)%{:$x'0.0110925 1792
>       x=: 5e5 5 [EMAIL PROTECTED] 0  NB. tall   ts '(+/%#)"1 x'0.612025 
> 4.1961e6   ts '(+/"1 x)%{:$x'0.033295 8.39014e6      x=: 1580 
> 1600 [EMAIL PROTECTED] 0 NB. squarish   ts '(+/%#)"1 x'0.0167924 34432   ts 
> '(+/"1 x)%{:$x'0.0112939 34304


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