Hello all. I'm using the Data.Vector.generate function with a complicated
creation function to create a long vector. Is it possible to parallelize
the creation of each element?
Alternatively, if there was something like parMap for vectors, I suppose I
could pass id to Data.Vector.generate and use
Dear all,
why is this allowed (GHCi, version 7.4.1):
main :: IO ()
main = do
let a, a :: Int
a = 5
print a
but this not:
main :: IO ()
main = do
let a :: Int
a :: Int
a = 5
print a
Is there a deeper sens or is it just a little bit inconsistent?
Heinrich
Hi,
Am Donnerstag, den 28.03.2013, 07:40 +0100 schrieb Heinrich Hördegen:
Is there a deeper sens or is it just a little bit inconsistent?
looks like the latter to me. The report states
Moreover, it is invalid to give more than one type signature for
one variable, even if the
28.03.2013, 10:38, Myles C. Maxfield myles.maxfi...@gmail.com:
Hello all. I'm using the Data.Vector.generate function with a complicated
creation function to create a long vector. Is it possible to parallelize the
creation of each element?
Alternatively, if there was something like parMap
I was looking for some link introducing the way FP/ Haskell handles
errors and Exceptions.
This is for a non FP Guy, and ideally withought scaring them with
Monads and category theory :-).
for the background :
the guy said : As I mentioned in another thread in banking (in
particular) it is
Hello,
I installed ghc (7.6.2) on an Arch Linux machine. I'm trying to install
pandoc via cabal but it fails:
...
Configuring text-0.11.2.3...
Warning: This package indirectly depends on multiple versions of the same
package. This is highly likely to cause a compile failure.
package
Thanks for this! I didn't know about Repa, and it sounds like it's exactly
what the doctor ordered. I think I'll port me entire program to it!
--Myles
On Thursday, March 28, 2013, Dmitry Dzhus wrote:
28.03.2013, 10:38, Myles C. Maxfield myles.maxfi...@gmail.comjavascript:;
:
Hello all. I'm
To side step the issue, Pandoc is available via the ArchHaskell repos
(package name `haskell-pandoc`):
https://wiki.archlinux.org/index.php/Haskell_package_guidelines
-M
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hello,
On 03/28/2013 04:11 PM, Mark Fredrickson wrote:
To side step the issue, Pandoc is available via the ArchHaskell repos
(package name `haskell-pandoc`):
https://wiki.archlinux.org/index.php/Haskell_package_guidelines
-M
Yes, I know. I wanted to avoid having a mixture of packages
I made a nice little pattern from just a few lines of Haskell (mostly
code comments) using gloss. It is very kindergarten in terms of
mathematical art, but the idea was to illustrate that in a pretty short
amount of time, and a small amount code, you could easily translate
simple math concepts
Hi,
I'd like to know what is wrong with the following program on windows8
(GHC 7.4.2, 32bit):
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Main where
import Control.Concurrent.Async
import qualified Control.Exception as E
import Network.HTTP.Conduit
import
I have posted previous knucleotide program, it is fast on 64 bit butvery slow
on 32 bit.I cannot install 32 bit ghc to test it so I can only guess is
thatcause is use of Int64 for hash and HashMap array indexing.What bothers me
is that it that much slower , and I guessthat array indexing of 64
Int64 is emulated on 32 bit. So it is not as efficient by a long shot.
On Thursday, 28 March 2013, Branimir Maksimovic wrote:
I have posted previous knucleotide program, it is fast on 64 bit but
very slow on 32 bit.
I cannot install 32 bit ghc to test it so I can only guess is that
cause is
Quick tip: did you try using withSocketsDo[1]?
[1]
http://hackage.haskell.org/packages/archive/network/2.4.1.2/doc/html/Network.html#g:2
On Thu, Mar 28, 2013 at 5:00 PM, Lars Kuhtz hask...@kuhtz.eu wrote:
Hi,
I'd like to know what is wrong with the following program on windows8 (GHC
7.4.2,
Good point, forgot about that in the reduced example. However, adding
it does not change the described behavior.
On 2013-03-28 13:26, Felipe Almeida Lessa wrote:
Quick tip: did you try using withSocketsDo[1]?
[1]
Thanks Daniel, that's very simple!
Realizing this in TH seems be impossible, is it right?
On Wed, Mar 27, 2013 at 10:33 PM, Daniel Trstenjak
daniel.trsten...@gmail.com wrote:
Hi Corentin,
On Wed, Mar 27, 2013 at 09:13:41PM +0100, Corentin Dupont wrote:
I have a function that looks like
So I printed off the requirements for pandoc on a empty ghc-7.6.2 install
you can find it at:
http://hpaste.org/84794
I do not see any odd package versions listed in what you posted so far.
No promise I will be able to help afterwards but it might help to see the
full log, and then again with
argh, always forget to reply to all
It's possible, just somewhat painful because TH /requires/ you to
build an AST -- you can't just return a string representing what you
want to splice in.
Here's one using haskell-src-meta:
{-# LANGUAGE TemplateHaskell #-}
import Language.Haskell.TH
import
(This is a slightly detailed email. If you are the maintainer of one of
the packages benchmarked here, you might want to read it though.)
Today I was looking for a Priority Queue that also allows a delete
operation (some call this a Priority Search Queue).
I found
Dear all,
I have a small question regarding the installation of the SBV package. I
first installed the SBV 2.10 package with cabal with the following
instructions:
cabal install sbv
Next I installed the Z3 theorem prover and adding the path to my system
variables (Windows 7 x64). Next I tested
That resolved the issue. Thanks for the hint.
Lars
On 2013-03-28 18:17, Joey Adams wrote:
Try upgrading to the latest network package. There's a bug prior to
version 2.4.1.0 where 'connect' blocks other threads from running,
because the underlying FFI call was marked unsafe.
Somewhat
In FP, I think this sort of problem is generally handled via algebraic data
types rather than exceptions. In particular this directly addresses the
issue of exceptions don't necessarily shout themselves out, since the
compiler warns you if you've missed a case.
They sound mathy, but algebraic
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