Re: Cocoa and C99
Re: Cocoa and C99
- Subject: Re: Cocoa and C99
- From: "Clark Cox" <email@hidden>
- Date: Mon, 6 Oct 2008 01:00:03 -0700
On Mon, Oct 6, 2008 at 12:49 AM, Gerriet M. Denkmann
<email@hidden> wrote:
>
> In the old days I wrote:
>
> int i; float f;
> for( i = 0, f = 0.0; i < 5; i++, f+= 3.5 ) .....
>
> Now I am trying to use the C99 style:
> for( int i = 0, float f = 0.0; i < 5; i++, f+= 3.5 ) .....
> But I am told: "parse error before 'float'".
>
> Then I tried:
> float f;
> for( int i = 0, f = 0.0; i < 3; i++, f += 3.5 ) { printf("%g",f); };
> But got: format '%g' expects type 'double', but argument 2 has type 'int'
> and: unused variable 'f'
>
> So: how to declare two variables of different type which are to be valid
> only in a for-loop?
You can't. Either they need to be the same type, or you need to
declare (and initialize) one of them outside of the loop.
--
Clark S. Cox III
email@hidden
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| | >Cocoa and C99 (From: "Gerriet M. Denkmann" <email@hidden>) |