From: Christophe Rhodes <csr21@cantab.net>
Date: Sun, 10 Aug 2014 07:25:59 +0000 (+0100)
Subject: simplify squeeze-mixer-compute-bar a bit
X-Git-Url: http://christophe.rhodes.io/gitweb/?p=squeeze-el.git;a=commitdiff_plain;h=4b96c04eadcdd37603d78a13eaa40b5b90dee07e

simplify squeeze-mixer-compute-bar a bit

compute a quotient rather than repeated comparisons with fractional
part
---

diff --git a/squeeze.el b/squeeze.el
index c6f10d9..6e4f4da 100644
--- a/squeeze.el
+++ b/squeeze.el
@@ -144,16 +144,9 @@
          (nblank (floor (- width exact))))
     (format "%s%s%s"
             (make-string nfull ?█)
-            (cond ((= width (+ nfull nblank)) "")
-                  ((< frac 0.0625) " ")
-                  ((< frac 0.1875) "▏")
-                  ((< frac 0.3125) "▎")
-                  ((< frac 0.4375) "▍")
-                  ((< frac 0.5625) "▌")
-                  ((< frac 0.6875) "▋")
-                  ((< frac 0.8125) "▊")
-                  ((< frac 0.9375) "▉")
-                  (t "█"))
+            (if (= width (+ nfull nblank))
+                ""
+              (aref " ▏▎▍▌▋▊▉█" (floor (+ frac 0.0625) 0.125)))
             (make-string nblank ? ))))
 
 (defun squeeze-mixer-make-bar (vol width)