[Haskell-cafe] Parse error

/isolate it (I already commented out almost the whole code). Please tell me what I could try to correct the error. I appreciate ANY hint. Many thanks in advance Dmitri Pissarenko PS: The source code of the files related to EigenvalueCalculatorHaskell.hs is located at http://dapissarenko.com

Re: [Haskell-cafe] Re: Literate Haskell

Thanks all for your answers! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Problems with building GCJNI 1.2

: marshall: Don't know how to marshall (addr als) ) make[1]: *** [GCJNI.hs] Error 1 make[1]: Leaving directory `/cygdrive/c/dapWork/temp/downloads/gcjni/gcjni-1.2/s rc' make: *** [src] Error 2 /make-output What else should I do in order to fix these errors? TIA Dmitri Pissarenko -- Dmitri

[Haskell-cafe] Literate Haskell

with using literate Haskell? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Problems with building GCJNI 1.2

Hello! Thanks for your answer! Did you import Foreign.GreenCard? No. I just followed the building manual of GCJNI. Best regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe

[Haskell-cafe] Haskell-Java co-operation via haskell-jvm-bridge

related to this problem are available here (approx. 7 MB): http://dapissarenko.com/resources/2005_02_17_eigenvaluesJava/2005_02_17_lik.zip I appreciate any hint about how to solve the problem. Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

[Haskell-cafe] Problems building GreenCard

make[1]: Leaving directory `/cygdrive/c/dapWork/temp/downloads/greencard- 3.01/gr eencard-3.01/lib' make: *** [install] Error 2 /errors How can I fix them? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell

Re: [Haskell-cafe] Problems building GreenCard

regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Getting an attribute of an object

options? Thanks in advance Dmitri Pissarenko PS: Maybe the error is rooted in code parts other than those given here. In the attachment there is the code of the main program (ExperimentalYaleFaceDb.hs) and the function definitions (Lik.hs). -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

[Haskell-cafe] Parse error in a package file

] }] /original-file This didn't help me, I got the same error message. Please tell me what's wrong with this package file. Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

Re: [Haskell-cafe] Getting an attribute of an object

The error is in the code line above, you can't write trainingSet :: [ClassifiedImage] by itself in a do statement. Thanks for your advice! Now it works. Best regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

Re: [Haskell-cafe] Getting an attribute of an object

Thanks for the help! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Getting an attribute of an object

classifiedImages = map snd classifiedImages How can I solve this problem? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo

Re: [Haskell-cafe] Getting an attribute of an object

the readClassifiedImages definition seems to be correct (at least, GHCi loads the file, where it is located without complaints). Any hint is highly appreciated. Best regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

Re: [Haskell-cafe] Getting an attribute of an object

Thanks! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Getting an attribute of an object

class. How can I define this function? Can I use map for readImage function, which is in the IO domain? If not, what tutorial can help me? Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell

Re: [Haskell-cafe] Getting an attribute of an object

Can I use map for readImage function, which is in the IO domain? If not, what tutorial can help me? Sorry, by IO domain I mean IO monad. Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list

[Haskell-cafe] Problems with building haskell-jvm-bridge-0.3.RC1

these errors? Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Converting from Int to Double

Thanks! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] How to convert from IO String to String

Thanks for your response! Now it works! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Converting from Int to Double

(then I can use map to re-scale each element from 0..255 to 0..1). How can I convert an Int into a Double? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http

Re: [Haskell-cafe] Converting from Int to Double

Zitat von Henning Thielemann [EMAIL PROTECTED]: On Wed, 26 Jan 2005, Dmitri Pissarenko wrote: How can I convert an Int into a Double? fromIntegral Thanks! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list

[Haskell-cafe] List manipulation

above? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] List manipulation

Thanks all for the help! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Converting from Int to Double

How can I convert an Int into a Double? You don't convert to, you convert from :-) The function 'fromIntegral' is probably what you want. And what function can I use to convert from Double to Int (the inverse of fromIntegral) ? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http

[Haskell-cafe] Parsing a string

I transform a string into a list of strings, separated by some character (in Java one uses StringTokenizer for this) ? 2) How do the aforementioned regular expressions' analogons work in Haskell? Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

[Haskell-cafe] Haskell programs in C

program into an executable, which is optimized for the microcontroller? Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman

[Haskell-cafe] wxFruit examples

with aforementioned functionality. TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Problems with compiling wxFruit

? Thanks in advance PS: All files related to this example (paddle.hs and wxFruit.hs) are available at http://dapissarenko.com/resources/2005_01_20_haskell_learning/wxFruitSample.zip in a 7 MB zip archive. -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

Re: [Haskell-cafe] Problems with compiling wxFruit

Thanks all for the help! Now it works. -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Reading images

for a completely white pixel and lies between zero and 255 for a grey pixel. In my program, I need ONLY to read an image and to transform it into such matrix. Which graphics library can you recommend, if no other image manipulation operations are required? TIA Dmitri Pissarenko -- Dmitri Pissarenko

[Haskell-cafe] Math libraries for Haskell

Hello! Is there a math library for Haskell, using which one can calculate eigenvalues of matrices? Thanks in advance Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe

Re: [Haskell-cafe] Math libraries for Haskell

computations (though you'll need to write/find a C library to do it first). You mean that I have to write a program in C (or other language), which calculates the eigenvalues, and then let the C program co-operate with the Haskell program via FFI? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software

[Haskell-cafe] Books on Haskell

Haskell is to determine whether I can program much more productively by using Haskell instead of Java/C#. In order to do that, I have to learn Haskell quite thoroughly. What book can you recommend? TIA Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com

Re: [Haskell-cafe] Books on Haskell

in my case amounts to applications with a) (often) non-trivial algorithmic part and a b) user interface part. I want to use Haskell in order to increase my productivity in both of these parts. Compilers are, at least at the moment, not my topic of interest. Best regards Dmitri Pissarenko -- Dmitri

Re: [Haskell-cafe] Matroids in Haskell

Thanks! -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Matroids in Haskell

Hello! Gerhard Navratil wrote: Recently I had a course on matroids and would like to investigate the topic a little further. Did anybody write (or start writing) a Haskell-implementation for matroids? What is a matroid? Thanks Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http

Re: [Haskell-cafe] Problem with wxHaskell

Hello! Thanks for your answer! I solved the problem by using GHC 6.2.1 instead of GHC 6.2.2 (under Windows). Best regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe

Re: [Haskell-cafe] Building GUIs for Haskell programs

than writing them in an imperative language. Best regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Building GUIs for Haskell programs

Hello! I want to thank all list participants for answering my questions concerning GUIs and unit testing. Best regards Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org

[Haskell-cafe] Problem with wxHaskell

... done. Loading package readline ... linking ... C:/ghc/ghc-6.2.2/HSreadline.o: unknown symbol `_rl_redisplay_function' ghc.exe: unable to load package `readline' /error-messages What am I doing wrong? TIA Dmitri Pissarenko PS: Here is the code of the application module Main where import

[Haskell-cafe] Typing question

a purchase where rebate is greater than price (rebate and price are given in absolute numbers; rebate is NOT a fraction of price) ? c) What is a correct name for attributes of tuples (such as price and rebate in Purchase) and constructors of tuples? Many thanks in advance Dmitri Pissarenko

[Haskell-cafe] Signature of a function

the type signature for `activityIndicator' /error-message When I remove the line activityIndicator :: Customer - Num the error disappears. What is wrong in the signature above? TIA Dmitri Pissarenko ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org

Re: [Haskell-cafe] Signature of a function

Thanks all for the help! ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Unit testing in Haskell

) in particular? http://hunit.sourceforge.net/ What other unit testing frameworks for Haskell do you use? TIA dap -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org

[Haskell-cafe] Building GUIs for Haskell programs

Hello! I want to learn to create GUIs with Haskell. Which GUI frameworks can you recommend? Thanks Dmitri Pissarenko -- Dmitri Pissarenko Software Engineer http://dapissarenko.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http

[Haskell-cafe] Using Haskell as a database

), isList(Members). civilServant(X). isResponsibleFor(X, Y) :- civilServant(X), domain(Y). and then run queries, using which one can find out, which organizations are there, what members they have etc. Can one do this in Haskell? Thanks in advance Dmitri Pissarenko