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authorDavid Thompson <dthompson2@worcester.edu>2014-06-28 18:46:16 -0400
committerDavid Thompson <dthompson2@worcester.edu>2014-06-28 18:46:16 -0400
commitf47eb69a354188154731846dde8b384c2c2f39f6 (patch)
tree6aa1ccb9212836b7c941e771475eb995fa6df9f9 /2d/math.scm
parentdf0f2a5f3f09394f1953abbc7e33e9a98204680e (diff)
Rename guile-2d to Sly!
Massive find/replace job.
Diffstat (limited to '2d/math.scm')
-rw-r--r--2d/math.scm90
1 files changed, 0 insertions, 90 deletions
diff --git a/2d/math.scm b/2d/math.scm
deleted file mode 100644
index ba8d88e..0000000
--- a/2d/math.scm
+++ /dev/null
@@ -1,90 +0,0 @@
-;;; guile-2d
-;;; Copyright (C) 2013, 2014 David Thompson <dthompson2@worcester.edu>
-;;;
-;;; This program is free software: you can redistribute it and/or
-;;; modify it under the terms of the GNU General Public License as
-;;; published by the Free Software Foundation, either version 3 of the
-;;; License, or (at your option) any later version.
-;;;
-;;; This program is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with this program. If not, see
-;;; <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-;;
-;; Miscellaneous math procedures. Currently just trigonometry.
-;;
-;;; Code:
-
-(define-module (2d math)
- #:export (pi
- degrees->radians
- radians->degrees
- sin-degrees
- cos-degrees
- tan-degrees
- atan-degrees
- clamp))
-
-;; Dave was editing this module on Pi Approximation Day.
-;;
-;; 3.141592653589793238462643383279
-;; 5028841971693993751058209749445923
-;; 07816406286208998628034825342117067
-;; 9821 48086 5132
-;; 823 06647 09384
-;; 46 09550 58223
-;; 17 25359 4081
-;; 2848 1117
-;; 4502 8410
-;; 2701 9385
-;; 21105 55964
-;; 46229 48954
-;; 9303 81964
-;; 4288 10975
-;; 66593 34461
-;; 284756 48233
-;; 78678 31652 71
-;; 2019091 456485 66
-;; 9234603 48610454326648
-;; 2133936 0726024914127
-;; 3724587 00660631558
-;; 817488 152092096
-;;
-(define pi 3.141592654)
-
-(define (degrees->radians angle)
- "Convert ANGLE in degrees to radians."
- (* angle (/ pi 180)))
-
-(define (radians->degrees angle)
- "Convert ANGLE in radians to degrees."
- (* angle (/ 180 pi)))
-
-(define (sin-degrees angle)
- "Compute the sin of ANGLE expressed in degrees."
- (sin (degrees->radians angle)))
-
-(define (cos-degrees angle)
- "Compute the cosine of ANGLE expressed in degrees."
- (cos (degrees->radians angle)))
-
-(define (tan-degrees angle)
- "Compute the tangent of ANGLE expressed in degrees."
- (tan (degrees->radians angle)))
-
-(define (atan-degrees y x)
- "Compute the arctangent in degrees of the coordinates Y and X."
- (radians->degrees (atan y x)))
-
-(define (clamp min max x)
- "Restrict X to the range defined by MIN and MAX. Assumes that MIN is
-actually less than MAX."
- (cond ((< x min) min)
- ((> x max) max)
- (else x)))