# TeX-my-math: Render general Haskell math to LaTeX. Or: math typesetting with high signal-to-noise–ratio.

For tl;dr: look at https://github.com/leftaroundabout/Symbolic-math-HaTeX/blob/master/EXAMPLES.md.

This is an attempt to get convenient math syntax in HaTeX (i.e., in data structures compatible / convertable to those from http://hackage.haskell.org/package/HaTeX).

The idea is to combine these features:

Full access to the math-typesetting power of LaTeX. It should be possible to express any formula that might be found in a typical mathematics or physics journal article. This should also include expression which are not quite well-defined from a programming point of view, but are clear to the intended audience.

Idiomatic Haskell syntax. Who wants to bother with unreadable expressions involving either hundreds of double-backslashes or extra syntax overhead in wrapping them explicitly into HaTeX?

Ideally, one would write expressions as if only meaning Haskell to *calculate* them,
but get the result back as a full pretty-printing LaTeX math string. /And the actual
calculated result as well/, if possible!

To this end, we use a minimal symbolic-manipulation EDSL, namely dumb-cas, set up in a way so the leaves of the syntax tree, i.e. the individual symbols, are represented by LaTeX expressions in memory and by single-letter variables in the Haskell code. These can then be combined with operators corresponding to LaTeX's maths operators, to obtain a very compact and almost WYSIWYG-like code appearance, while retaining the ability to apply any LaTeX-specific tweaks whenever necessary. At the same time, because the AST is fully precedence-aware, it is safely possible to transform the expressions via e.g. Template Haskell, to actually compute concrete numerical results, or apply exact symbolic-manipulation techniques.

Versions [faq] | 0.201.0.0, 0.201.1.0, 0.201.1.1, 0.201.2.0 |
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Dependencies | base (>=4.8 && <4.14), decimal-literals, directory, dumb-cas (==0.2.*), filepath, hashable, haskell-src-meta, HaTeX (>3.19), process, template-haskell, TeX-my-math, text, unordered-containers, vector-space, void [details] |

License | GPL-3.0-only |

Author | Justus Sagemüller |

Maintainer | (@) jsag $ hvl.no |

Category | math |

Home page | http://github.com/leftaroundabout/Symbolic-math-HaTeX |

Uploaded | by leftaroundabout at Thu Jul 11 22:01:55 UTC 2019 |

Distributions | NixOS:0.201.2.0 |

Executables | TeXmyMath-example |

Downloads | 1667 total (136 in the last 30 days) |

Rating | (no votes yet) [estimated by Bayesian average] |

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Status | Docs available [build log] Last success reported on 2019-07-11 [all 1 reports] |

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## Downloads

- TeX-my-math-0.201.2.0.tar.gz [browse] (Cabal source package)
- Package description (as included in the package)