[Factor-talk] with* ?

2008-02-04 Thread Phil Dawes 
Hi,

I'm struggling to see the point of with* from combinators.lib in the git 
repo:

: with* ( obj assoc quot -- assoc curry )
 swapd [ [ -rot ] dip call ] 2curry ; inline

As far as I can see, it takes an element from the 2nd position in the 
stack, and curries it into the 3rd inside the quotation.

On the other hand I could see the point of the following:

: my-with* ( param obj obj quot -- obj obj curry )
 [ rot ] dip [ [ -rot ] dip call ] 2curry ; inline

(which is 'with' one space to the left). Is the with* in the repo a 
mistake, and if not, what's is its purpose?

Thanks

Phil


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[Factor-talk] space-invaders error

2008-02-04 Thread Scott Brown 
Hi, 

I have just started learning Factor and when I try to run the space-invaders 
example I get this error message:

Words calling ``alien-invoke'' must be compiled with the optimizing compiler.
alien-invoke-error-library alut
alien-invoke-error-symbol  alutInit


I am running Factor 0.91 on Windows XP.

Does anybody know the cause of this error?


   
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Re: [Factor-talk] space-invaders error

2008-02-04 Thread kio 
Hi Scott,

If you type :errors it will show you that it cannot find the alut library. 
This is short for the OpenAL Utility Toolkit.

You can download it for Windows here:

http://developer.creative.com/articles/article.asp?cat=1sbcat=31top=38aid=46

Hope that helps.

Cheers,
Kio


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Re: [Factor-talk] Bug in C-STRUCT: ?

2008-02-04 Thread Slava Pestov 
Hi,

This is now fixed in the latest git.

Slava

Jorge Acereda Maciá wrote:
 I think I'm facing a bug in Factor. I have something like this:

 TYPEDEF: double PaTime

 C-STRUCT: PaDeviceInfo
   { int structVersion }
   { char* name }
   { PaHostApiIndex hostApi }
   { int maxInputChannels }
   { int maxOutputChannels }
   { PaTime defaultLowInputLatency }
   { PaTime defaultLowOutputLatency }
   { PaTime defaultHighInputLatency }
   { PaTime defaultHighOutputLatency }
   { double defaultSampleRate } ;

 The C library returns correct values for the PaTime fields and the  
 double field (I checked in GDB). But in Factor, all double values  
 have absurd values.The rest are OK.


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