From c78f55ebb43f5d73033a4709dfd32830a016a7cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bert=20M=C3=BCnnich?= <be.muennich@googlemail.com>
Date: Thu, 16 Aug 2012 21:21:08 +0200
Subject: [PATCH] Simplified zoomdiff function

---
 image.c | 8 +-------
 util.h  | 3 ---
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/image.c b/image.c
index 52696ca..cf4ec35 100644
--- a/image.c
+++ b/image.c
@@ -37,13 +37,7 @@ float zoom_min;
 float zoom_max;
 
 int zoomdiff(float z1, float z2) {
-	float d = z1 - z2;
-	const float mindelta = 0.001;
-
-	if (ABS(d) < mindelta)
-		return 0;
-	else
-		return d < 0 ? -1 : 1;
+	return (int) (z1 * 1000.0 - z2 * 1000.0);
 }
 
 void img_init(img_t *img, win_t *win) {
diff --git a/util.h b/util.h
index 2a139ec..f1f4f14 100644
--- a/util.h
+++ b/util.h
@@ -27,9 +27,6 @@
 
 #include "types.h"
 
-#ifndef ABS
-#define ABS(a)   ((a) < 0 ? -(a) : (a))
-#endif
 #ifndef MIN
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 #endif