Author: Akimichi Tatsukawa, Functions for debug message are all commented out.
Updated:
Calculation PAD - A tiny language for calculation in Emacs buffer
This package enables a calculation in Emacs buffer like a calculation pad.
It immediately parse and calculate a expression, and replace it with the result.
The language for calculation is a kind of function-oriented language(don't expect too much).
Allowed data types are number(integer,float) and list(and unit).
A simple standard library is provided, which contains limited features of arithmatic,list
processing,statistical and clinical functions.
And you can add your own function easily to enrich its facilities.
Its major drawback is performance. Owing to its recursive feature,it sometimes consumes so much time
that even a moderate human brain can beat it.
Usage:
Add following codes in your .emacs file.
(autoload 'cpad "cpad" "A calculation pad" t)
(autoload 'cpad* "cpad" "A calculation pad" t)
(global-set-key "\C-cr" 'cpad) ; you may change it to whatever key you like.
(global-set-key "\C-cx" 'cpad*)
TODO:
iterator macro
curry function
built-in functions for arithmatic,list,statistics,etc to improve performance
exponential operator ^
display argument
query facility
documentation
unification
environment for variable and its value --> maybe not
stream list
variable assignment --> maybe not
parsing by eparser
hooks for registration of user functions -> use defadvice
(defvar cpad:version "0.1"
"Current version of CPAD.")