From 5c95b8803b7c6b831f16df85e5775e33b1e5f7ea Mon Sep 17 00:00:00 2001
From: Michal Nazarewicz <mina86@mina86.com>
Date: Sat, 18 Aug 2018 19:40:16 +0100
Subject: [PATCH] =?UTF-8?q?Avoid=20floating=20point=20arithmetic=20in=20RG?=
 =?UTF-8?q?B=E2=86=928-bit=20ANSI=20approximation?=
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---
 src/terminal.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/terminal.rs b/src/terminal.rs
index 4ebf9478..3b0f82ae 100644
--- a/src/terminal.rs
+++ b/src/terminal.rs
@@ -13,14 +13,10 @@ fn rgb2ansi(r: u8, g: u8, b: u8) -> u8 {
         } else if r > 248 {
             WHITE
         } else {
-            let fr = f32::from(r);
-            (((fr - 8.) / 247.) * 24.) as u8 + 232
+            ((r - 8) as u16 * 24 / 247) as u8 + 232
         }
     } else {
-        let fr = f32::from(r);
-        let fg = f32::from(g);
-        let fb = f32::from(b);
-        16 + (36 * (fr / 255. * 5.) as u8) + (6 * (fg / 255. * 5.) as u8) + (fb / 255. * 5.) as u8
+        36 * (r / 51) + 6 * (g / 51) + (b / 51) + 16
     }
 }