From 4aeeb2aeca15d2a6c8b529074e2b8bf2ac9ed3b5 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 24 Jun 2011 11:44:20 +0200
Subject: Clarify fabs()

---
 src/utils.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/utils.h b/src/utils.h
index a11cd59e..3e0b3af9 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -142,8 +142,8 @@ static inline double angle_between(double x1, double y1, double z1,
 
 static inline int within_tolerance(double a, double b, double percent)
 {
-	double tol = a * (percent/100.0);
-	if ( fabs(b-a) < fabs(tol) ) return 1;
+	double tol = fabs(a) * (percent/100.0);
+	if ( fabs(b-a) < tol ) return 1;
 	return 0;
 }
 
-- 
cgit v1.2.3