From 6c8eaae1387f9739e56456c9574ec5435d240fe6 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Wed, 17 Jan 2007 16:58:51 -0500
Subject: Another application of Manuel Nova's "math instead of ifs" trick. 
 Saves 17b.

---
 lib/bunzip.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/bunzip.c b/lib/bunzip.c
index 74e7b172..9a0ec6d8 100644
--- a/lib/bunzip.c
+++ b/lib/bunzip.c
@@ -316,8 +316,7 @@ int read_bunzip_data(bunzip_data *bd)
 			   the basic or 0/1 method (except all bits 0, which would use no
 			   symbols, but a run of length 0 doesn't mean anything in this
 			   context).  Thus space is saved. */
-			if (nextSym == SYMBOL_RUNA) t += runPos;
-			else t += 2*runPos;
+			t += (runPos << nextSym); // +runPos if RUNA; +2*runPos if RUNB
 			runPos <<= 1;
 			continue;
 		}
-- 
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