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From: joe@jsnode.equinox.gen.nz (Joseph Skinner)
Newsgroups: comp.lang.ada
Subject: Re: GNAT-Problem '+'-operator with Count
Distribution: world
Message-ID: <2ee30bbc.4a534e4f4445@jsnode.equinox.gen.nz>
Date: Tue, 06 Dec 1994 01:46:52 +1300
References: <3bn74o$go5@tucs6.rz.tu-cottbus.de>
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Date: 1994-12-06T01:46:52+13:00
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In article <3bn74o$go5@tucs6.rz.tu-cottbus.de>,
Andreas Krohn <ak@informatik.tu-cottbus.de> wrote:
>I have a problem with the '+' operator in GNAT. I have posted the part with
>the error message. Could someone give me a hint, how to solve this
>problem.
>
>
>
>   147.                                                                    
>   148. procedure solve_matrix(source: in matrix;target: in out matrix) is 
>   149.     x,y,i,j:Count;    --akt. Pos. in Matrix                        
>   150.     nachbarn:INTEGER;          --Anzahl der Nachbarn jeder Zelle   
>   151.     a,b:Count;                                                     
>   152.                                                                    
>   153. begin                                                              
>   154.   for i in feldmin..feldmax loop                                   
>   155.     for j in feldmin..feldmax loop                                 
>   156.       nachbarn:=0;          --neue Zelle 0 setzen                  
>   157.       for x in 1..3 loop   --nachbarn ermitteln                    
>   158.         for y in 1..3 loop                                         
>   159.           a:=i+x-2;                                                
>                      |                                                    
>        invalid operand types for operator "+"                             
>z                                                                          
>z   160.                  b:=j+y-2;                                        
>                      |                                                    
>        invalid operand types for operator "+"                             
>z                                                                          
>z   161.                  if source(a,b)=TRUE then nachbarn:=nachbarn+1;   
>   162.           end if;                                                  
>   163.         end loop;                                                  
>                                                                           

At a guess the problem is that the definitions for '+' is not visible to
the program. Check out your with and use statements to make sure that
the definition is visible.

On the other hand I may be spouting BS and I'm sure that someone else
will tell me if I am.

Joe

--
===============================================================================
Joseph Skinner                      | Invercargill
usenet: joe@jsnode.equinox.gen.nz   | New Zealand

There is no such thing as a wizard who minds his own business
                          - Berengis the Black
                            Court Mage to the Earl Caeline