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diff --git a/users/wpcarro/emacs/.emacs.d/wpc/number.el b/users/wpcarro/emacs/.emacs.d/wpc/number.el
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-;;; number.el --- Functions for working with numbers -*- lexical-binding: t -*-
-
-;; Author: William Carroll <wpcarro@gmail.com>
-;; Version: 0.0.1
-;; Package-Requires: ((emacs "24"))
-;; Homepage: https://user.git.corp.google.com/wpcarro/briefcase
-
-;;; Commentary:
-;;
-;; Classifications of numbers:
-;; - Natural: (a.k.a positive integers, counting numbers); {1, 2, 3, ... }
-;;
-;; - Whole: Natural Numbers, plus zero; {0, 1, 2, 3, ...}
-;;
-;; - Integers: Whole numbers plus all the negatives of the natural numbers;
-;;   {... , -2, -1, 0, 1, 2, ...}
-;;
-;; - Rational numbers: (a.k.a. fractions) where the top and bottom numbers are
-;;   integers; e.g., 1/2, 3/4, 7/2, ⁻4/3, 4/1.  Note: The denominator cannot be
-;;   0, but the numerator can be.
-;;
-;; - Real numbers: All numbers that can be written as a decimal.  This includes
-;;   fractions written in decimal form e.g., 0.5, 0.75 2.35, ⁻0.073, 0.3333, or
-;;   2.142857. It also includes all the irrational numbers such as π, √2 etc.
-;;   Every real number corresponds to a point on the number line.
-;;
-;; The functions defined herein attempt to capture the mathematical definitions
-;; of numbers and their classifications as defined above.
-
-;;; Code:
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Dependencies
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(require 'prelude)
-(require 'dash)
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Library
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(defconst number-test? t
-  "When t, run the test suite defined herein.")
-
-;; TODO: What about int.el?
-
-;; TODO: How do we handle a number typeclass?
-
-(defun number-positive? (x)
-  "Return t if `X' is a positive number."
-  (> x 0))
-
-(defun number-negative? (x)
-  "Return t if `X' is a positive number."
-  (< x 0))
-
-;; TODO: Don't rely on this. Need to have 10.0 and 10 behave similarly.
-(defun number-float? (x)
-  "Return t if `X' is a floating point number."
-  (floatp x))
-
-(defun number-natural? (x)
-  "Return t if `X' is a natural number."
-  (and (number-positive? x)
-       (not (number-float? x))))
-
-(defun number-whole? (x)
-  "Return t if `X' is a whole number."
-  (or (= 0 x)
-      (number-natural? x)))
-
-(defun number-integer? (x)
-  "Return t if `X' is an integer."
-  (or (number-whole? x)
-      (number-natural? (- x))))
-
-;; TODO: How defensive should these guards be?  Should we assert that the inputs
-;; are integers before checking evenness or oddness?
-
-;; TODO: Look up Runar (from Unison) definition of handling zero as even or odd.
-
-;; TODO: How should rational numbers be handled? Lisp is supposedly famous for
-;; its handling of rational numbers.
-;; TODO: `calc-mode' supports rational numbers as "1:2" meaning "1/2"
-;; (defun number-rational? (x))
-
-;; TODO: Can or should I support real numbers?
-;; (defun number-real? (x))
-
-(defun number-even? (x)
-  "Return t if `X' is an even number."
-  (or (= 0 x)
-      (= 0 (mod x 2))))
-
-(defun number-odd? (x)
-  "Return t if `X' is an odd number."
-  (not (number-even? x)))
-
-(defun number-dec (x)
-  "Subtract one from `X'.
-While this function is undeniably trivial, I have unintentionally done (- 1 x)
-  when in fact I meant to do (- x 1) that I figure it's better for this function
-  to exist, and for me to train myself to reach for it and its inc counterpart."
-  (- x 1))
-
-(defun number-inc (x)
-  "Add one to `X'."
-  (+ x 1))
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Tests
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(when number-test?
-  (prelude-assert
-   (number-positive? 10))
-  (prelude-assert
-   (number-natural? 10))
-  (prelude-assert
-   (number-whole? 10))
-  (prelude-assert
-   (number-whole? 0))
-  (prelude-assert
-   (number-integer? 10))
-  ;; (prelude-assert
-  ;;  (= 120 (number-factorial 5)))
-  (prelude-assert
-   (number-even? 6))
-  (prelude-refute
-   (number-odd? 6))
-  (prelude-refute
-   (number-positive? -10))
-  (prelude-refute
-   (number-natural? 10.0))
-  (prelude-refute
-   (number-natural? -10))
-  (prelude-refute
-   (number-natural? -10.0)))
-
-(provide 'number)
-;;; number.el ends here