[Haskell-cafe] Code from Haskell School of Expression hanging.

[Paul L]

Can you try simpler SOE programs, for example, ghci SimpleGraphics,
and type main0 at the prompt. Does it show anything?

Regards,
Paul Liu

On Sun, Jan 30, 2011 at 12:59 PM, michael rice <nowgate at yahoo.com> wrote:
> Yeah, I got a parse error when it was on two lines and I must have backed
> over the comma when I put it all on one line. Sorry.
>
> Yes, it compiles and runs, just like it did before.
>
> Michael
>
> --- On Sun, 1/30/11, Paul L <ninegua at gmail.com> wrote:
>
> From: Paul L <ninegua at gmail.com>
> Subject: Re: [Haskell-cafe] Code from Haskell School of Expression hanging.
> To: "michael rice" <nowgate at yahoo.com>
> Cc: haskell-cafe at haskell.org
> Date: Sunday, January 30, 2011, 3:53 PM
>
> You missed the comma after the first 8.
>
> On Sun, Jan 30, 2011 at 12:15 PM, michael rice <nowgate at yahoo.com> wrote:
>
> The expression (the swapped line) on line 12 is all on one line in my code.
>
> Michael
>
> ======================
>
> [michael at localhost ~]$ ghc --make rat2.hs
> [1 of 1] Compiling Main             ( rat2.hs, rat2.o )
>
> rat2.hs:12:37:
>     Couldn't match expected type `(Int -> DisplayBits)
>                                   -> t
>                                   -> DisplayBits'
>            against inferred type `DisplayBits'
>     In the expression: DisplayStencilBits 8 DisplayAlphaBits 8
>     In the second argument of `openWindow', namely
>         `[DisplayStencilBits 8 DisplayAlphaBits 8]'
>     In a stmt of a 'do' expression:
>         openWindow
>           (Size 400 400) [DisplayStencilBits 8 DisplayAlphaBits 8] Window
> [michael at localhost ~]$
>
>
> --- On Sun, 1/30/11, Paul L <ninegua at gmail.com> wrote:
>
> From: Paul L <ninegua at gmail.com>
> Subject: Re: [Haskell-cafe] Code from Haskell School of Expression hanging.
> To: "michael rice" <nowgate at yahoo.com>
> Cc: haskell-cafe at haskell.org
> Date: Sunday, January 30, 2011, 1:57 PM
>
> Ok, in the GLFW sample program from Haskell Wiki, can you change the
> GLFW.openWindow line to the following, and try again?
>
> GLFW.openWindow (GL.Size 400 400) [GLFW.DisplayStencilBits 8,
> GLFW.DisplayAlphaBits 8] GLFW.Window
>
> Does it still run?
>
> Regards,
> Paul Liu
>
> On Sun, Jan 30, 2011 at 10:50 AM, michael rice <nowgate at yahoo.com> wrote:
>>
>> What you see below is what I get. No window opens. System Monitor shows
>> CPU usage negligible.
>>
>> Michael
>>
>> [michael at localhost ~]$ cd ./SOE/SOE/src
>> [michael at localhost src]$ ghci
>> GHCi, version 6.12.3: http://www.haskell.org/ghc/  :? for help
>> Loading package ghc-prim ... linking ... done.
>> Loading package integer-gmp ... linking ... done.
>> Loading package base ... linking ... done.
>> Loading package ffi-1.0 ... linking ... done.
>> Prelude> :l Snowflake.lhs
>> Ok, modules loaded: Snowflake, SOE.
>> Prelude Snowflake> main
>> Loading package old-locale-1.0.0.2 ... linking ... done.
>> Loading package old-time-1.0.0.5 ... linking ... done.
>> Loading package OpenGLRaw-1.1.0.1 ... linking ... done.
>> Loading package GLURaw-1.1.0.0 ... linking ... done.
>> Loading package ObjectName-1.0.0.0 ... linking ... done.
>> Loading package StateVar-1.0.0.0 ... linking ... done.
>> Loading package Tensor-1.0.0.1 ... linking ... done.
>> Loading package OpenGL-2.4.0.1 ... linking ... done.
>> Loading package GLFW-0.4.2 ... linking ... done.
>>
>>
>>
>>
>> Michael
>>
>> --- On Sun, 1/30/11, Paul L <ninegua at gmail.com> wrote:
>>
>> From: Paul L <ninegua at gmail.com>
>> Subject: Re: [Haskell-cafe] Code from Haskell School of Expression
>> hanging.
>> To: "michael rice" <nowgate at yahoo.com>
>> Cc: "Daniel Fischer" <daniel.is.fischer at googlemail.com>,
>> haskell-cafe at haskell.org
>> Date: Sunday, January 30, 2011, 1:03 PM
>>
>> I'm the maintainer of the SOE code. This is rather puzzling, since
>> apparently GLFW works on your setup. I don't think there is much big
>> difference in SOE than the sample GLFW program from the Haskell Wiki.
>> So when you run the SOE program, did you see the window but just all
>> blank? Or you never see the window popping up?
>> Regards,
>> Paul Liu
>>
>> On Sat, Jan 29, 2011 at 7:34 PM, michael rice <nowgate at yahoo.com> wrote:
>>
>> The sample program (the "active" version) here runs fine, so  the OpenGL
>> GLFW must have been installed properly. Must be the SOE stuff causing the
>> problem.
>>
>> http://www.haskell.org/haskellwiki/GLFW
>>
>> Michael
>>
>>
>> --- On Sat, 1/29/11, Daniel Fischer <daniel.is.fischer at googlemail.com>
>> wrote:
>>
>> From: Daniel Fischer <daniel.is.fischer at googlemail.com>
>> Subject: Re: [Haskell-cafe] Code from Haskell School of Expression
>> hanging.
>> To: "michael rice" <nowgate at yahoo.com>
>> Date: Saturday, January 29, 2011, 9:37 PM
>>
>> On Sunday 30 January 2011 03:27:55, michael rice wrote:
>> > I'm using the OpenGL stuff (GLFW). Same set of problems?
>>
>> No idea, I haven't used a graphics library for a long time.
>>
>>
>>
>> _______________________________________________
>> Haskell-Cafe mailing list
>> Haskell-Cafe at haskell.org
>> http://www.haskell.org/mailman/listinfo/haskell-cafe
>>
>>
>>
>>
>>
>
>
>
> --
> Regards,
> Paul Liu
>
>
>
>
> --
> Regards,
> Paul Liu
>
>
>



-- 
Regards,
Paul Liu