An ag(e)ing hacker - posts tagged as "tutorial"

Luca Saiu's blog

Posts tagged as "tutorial" (2 posts)
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A practical GNU epsilon tutorial2013-08-23 12:54
Updated: 2013-12-27 19:39
A practical GNU epsilon tutorial Audience Lexical conventions Rationale and introduction My PhD thesis Implementation, and the relation beteen epsilon0 and epsilon1 The bootstrap problem Setup Writing more comfortably, from ‘guile+whatever’ and Emacs Basics of epsilon1 The stuff values are made of: fixnums, pointers, buffers Error situations in epsilon1 Slightly higher-level data structures: vectors, strings, boxes, tuples, records Equality and boxedness tags Lists, and simple programming examples Digression: a look at epsilon0 Practical programming in epsilon1 Sums A programming example: structural equality with boxedness tags A look at reflective data structures ‘e1:define’ is just a macro! S-expressions What’s the point [...] Read more
Tags: english, epsilon, gnu, guile, hacking, tutorial

Happy pi approximation day 20132013-07-21 12:34
Updated: 2014-07-21 21:14
The fraction 22/7 has been known since antiquity as a simple rational approximation of pi. The fraction decimal expansion is 3.(142857); since pi is about 3.141592653589793, the approximation has three correct digits. Of course nowadays we can compute much better approximations with computers, and billions of digits are known: <http://en.wikipedia.org/wiki/Approximationsofπ> is a nice review also explaining some efficient computation methods. For example if you want to obtain a lot of pi digits in a short time you may like the series by Ramanujan, yielding very good approximations even with a small number of terms; but that’s not the point now. [...] Read more
Tags: forth, gnu, hacking, pi, tutorial

Posts tagged as "tutorial" (2 posts)

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Luca Saiu

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