Re: BREAK statement and octave 5

[Alice]

Many thanks for your kind and clear explanation of what was happening.
Marco

> Il giorno 5 mar 2019, alle ore 18:45, Mike Miller <address@hidden> ha scritto:
> 
> On Tue, Mar 05, 2019 at 17:24:55 +0100, Alice wrote:
>> If I run the following code in Octave 4.x (on Mac) it works while in Octave 
>> 5.x it doesn’t.
>> I know that the break statement should work only for loops but until ref 5.0 
>> it worked also for the if statements.
>> I’m not able to find this change in the release notes. Is there anyone who 
>> knows something more?
>> THNX
>> Marco
>> 
>> 
>> %% Input 
>> A=input('A=? ') %1e-8;
>> B=input('B=?') %2;
>> C=input('C=?') %1e-8;
>> 
>> %% A==0
>> if A==0
>>  'Error: 1'
>>  break
>> end
>> 
>> %% Delta
>> Delta=B^2-4*A*C;
> 
> You're partially right, this code used to work in Octave 4.2, but not in
> Octave 4.4. The break statement should only be used inside of a loop.
> 
> You may way to use something like this
> 
>    if (A == 0)
>      disp ('Error: 1')
>      return
>    endif
> 
> or this
> 
>    if (A == 0)
>      error ('Error: 1')
>    endif
> 
> -- 
> mike