[Swift-devel] iterate behaviour round II

[Mihael Hategan]

Can you do an svn up an recheck?

On Wed, 2011-08-03 at 13:22 -0500, Michael Wilde wrote:
> Cool.  Related to current semantics, Im seeing a case where iterate seems to not terminate correctly with an == test but does with a > test. Is there some float funkiness going on in there too?
> 
> ">" termination condition works OK:
> 
> com$ cat iterategt.swift
> iterate i
> {
>    trace(i);
> }  until(i > 3);
> com$ swift iterategt.swift | head -15
> no sites file specified, setting to default: /scratch/local/wilde/swift/src/devtrunk/cog/modules/swift/dist/swift-svn/etc/sites.xml
> Swift svn swift-r4934 (swift modified locally) cog-r3184 (cog modified locally)
> 
> RunID: 20110803-1315-qn3cr6s8
> Progress:  time: Wed, 03 Aug 2011 13:15:38 -0500
> SwiftScript trace: 0
> SwiftScript trace: 1
> SwiftScript trace: 2
> SwiftScript trace: 3
> Final status:  time: Wed, 03 Aug 2011 13:15:38 -0500
> com$ 
> 
> "==" termination condition never terminates:
> 
> com$ 
> com$ cat iterateeq.swift
> iterate i
> {
>    trace(i);
> }  until(i == 3);
> com$ 
> 
> com$ swift iterateeq.swift | head -15
> no sites file specified, setting to default: /scratch/local/wilde/swift/src/devtrunk/cog/modules/swift/dist/swift-svn/etc/sites.xml
> Swift svn swift-r4934 (swift modified locally) cog-r3184 (cog modified locally)
> 
> RunID: 20110803-1316-f9qhsxig
> SwiftScript trace: 0
> Progress:  time: Wed, 03 Aug 2011 13:16:06 -0500
> SwiftScript trace: 1
> SwiftScript trace: 2
> SwiftScript trace: 3
> SwiftScript trace: 4
> SwiftScript trace: 5
> SwiftScript trace: 6
> SwiftScript trace: 7
> SwiftScript trace: 8
> SwiftScript trace: 9
> SwiftScript trace: 10
> 
> ^C
> com$ swift -version
> no sites file specified, setting to default: /scratch/local/wilde/swift/src/devtrunk/cog/modules/swift/dist/swift-svn/etc/sites.xml
> Swift svn swift-r4934 (swift modified locally) cog-r3184 (cog modified locally)
> 
> com$ which swift
> /scratch/local/wilde/swift/src/devtrunk/cog/modules/swift/dist/swift-svn/bin/swift
> com$ 
> 
> 
> 
> ----- Original Message -----
> > From: "Mihael Hategan" <hategan at mcs.anl.gov>
> > To: "Michael Wilde" <wilde at mcs.anl.gov>
> > Cc: "Swift Devel" <swift-devel at ci.uchicago.edu>
> > Sent: Wednesday, August 3, 2011 12:56:25 PM
> > Subject: Re: [Swift-devel] iterate behaviour round II
> > On Wed, 2011-08-03 at 12:53 -0500, Michael Wilde wrote:
> > > Right. So lets keep iterate semantically unchanged for now, then
> > > deprecate it when we have an approach thats clearly better. For 0.93
> > > lets focus on making it work as currently described.
> > 
> > I agree. I will revert the change I did before.
>