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authorWilliam Carroll <wpcarro@gmail.com>2019-10-09T11·13+0100
committerWilliam Carroll <wpcarro@gmail.com>2019-12-24T15·21+0000
commit6b456c1b7a4f6899f063a6e65355af51901d9c7a (patch)
treecfc70d74818ae9fabdbbfb0cf16cce092e4c1a09 /configs/shared/.emacs.d/wpc/math.el
parenta7c72adb2ebec1e497fc040eaf3551d564d61a5b (diff)
Massive configuration overhaul
Currently paying the price of months of non-diligent git usage.

Here's what has changed.

- Theming support in Gvcci and wpgtk
- Dropping support for i3
- Supporting EXWM
- Many Elisp modules
- Collapsed redundant directories in ./configs
Diffstat (limited to 'configs/shared/.emacs.d/wpc/math.el')
-rw-r--r--configs/shared/.emacs.d/wpc/math.el59
1 files changed, 59 insertions, 0 deletions
diff --git a/configs/shared/.emacs.d/wpc/math.el b/configs/shared/.emacs.d/wpc/math.el
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+;;; math.el --- Math stuffs -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; Containing some useful mathematical functions.
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'maybe)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Constants
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defconst math/pi pi
+  "The number pi.")
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Functions
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; TODO: Support all three arguments.
+;; Int -> Int -> Int -> Boolean
+(cl-defun math/triangle-of-power (&key base power result)
+  ;; TODO: Assert two of three are set.
+  (cond
+   ((maybe/some? base power result)
+    (error "All three arguments should not be set"))
+   ((maybe/some? power result)
+    (message "power and result"))
+   ((maybe/some? base result)
+    (log result base))
+   ((maybe/some? base power)
+    (expt base power))
+   (t
+    (error "Two of the three arguments must be set"))))
+
+(defun math/mod (x y)
+  "Return X mod Y."
+  (mod x y))
+
+(defun math/exp (x y)
+  "Return X raised to the Y."
+  (expt x y))
+
+(defun math/round (x)
+  "Round X to nearest ones digit."
+  (round x))
+
+(defun math/floor (x)
+  "Floor value X."
+  (floor x))
+
+(provide 'math)
+;;; math.el ends here