[metapost] What is the best approach for writing LaTeX specific commands in metapost

Vafa Khalighi vafakhlgh at gmail.com
Tue Mar 1 07:41:30 CET 2011

I use this structure:





(inputs and definitions)






%%% the end.


and then run mpost -tex=latex on this. Is this correct? What is the
recommended way? I am asking this because when I do the same thing with some
of the metapost example from "LaTeX Graphics Companion", I get errors.

If some one say: "You divide ten into two parts: multiply the one by itself;
it will be equal to the other taken eighty-one times." Computation: You say,
ten less thing, multiplied by itself, is a hundred plus a square less twenty
things, and this is equal to eighty-one things. Separate the twenty things
from a hundred and a square, and add them to eighty-one. It will then be a
hundred plus a square, which is equal to a hundred and one roots. Halve the
roots; the moiety is fifty and a half. Multiply this by itself, it is two
thousand five hundred and fifty and a quarter. Subtract from this one
hundred; the remainder is two thousand four hundred and fifty and a quarter.
Extract the root from this; it is forty-nine and a half. Subtract this from
the moiety of the roots, which is fifty and a half. There remains one, and
this is one of the two parts.

*Muḥammad ibn Mūsā al-Khwārizmī*
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