[Haskell-cafe] ln, e

2013-01-05 Thread Christopher Howard
Hi. Are natural log and Euler's constant defined somewhere in base, or a
convenience math module somewhere? I'm having trouble finding them with
hayoo or system documentation.

-- 
frigidcode.com



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Re: [Haskell-cafe] ln, e

2013-01-05 Thread Chaddaï Fouché
log and (exp 1) are the natural logarithm and e.
--
Jedaï

On Sun, Jan 6, 2013 at 2:03 AM, Christopher Howard
christopher.how...@frigidcode.com wrote:
 Hi. Are natural log and Euler's constant defined somewhere in base, or a
 convenience math module somewhere? I'm having trouble finding them with
 hayoo or system documentation.

 --
 frigidcode.com


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Re: [Haskell-cafe] ln, e

2013-01-05 Thread Daniel Fischer
On Samstag, 5. Januar 2013, 16:03:23, Christopher Howard wrote:
 Hi. Are natural log and Euler's constant defined somewhere in base, or a
 convenience math module somewhere? I'm having trouble finding them with
 hayoo or system documentation.

The natural logarithm is simply `log`.

Euler's constant isn't defined anywhere, you get it (the best approximation, 
at least very nearly) with `exp 1`.

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[Haskell-cafe] Announce: Leksah 0.13.1 (a bit experimental)

2013-01-05 Thread Hamish Mackenzie
This has mostly bug fixes, GHC 7.4.2, GHC 7.6.1 and Gtk3
support.

I have not uploaded it to Hackage as it uses Gtk2Hs patches
that are not in Hackage.

New features include View-Dark (OS X only) and
View-Fullscreen.

OS X (using Gtk3)
-
Choose the version that matches your installed GHC
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.3.dmg
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.4.dmg
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.1.dmg
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.2.dmg
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.6.1.dmg
(probable needs OS X 10.7)

Windows (still Gtk2)

Choose the version that matches your installed GHC
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.3.exe
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.4.exe
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.1.exe
http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.2.exe

Linux
-
Follow the steps in the .travis.yml file...
https://github.com/leksah/leksah/blob/master/.travis.yml
Should go something like this...
https://travis-ci.org/leksah/leksah




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