From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 18 Jul 2014 09:06:39 +0000 (+0200)
Subject: touchpad: make tp_estimate_delta return fractions
X-Git-Tag: 0.5.0~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aab902cc396f6f6e43cc2a90409992017e974c44;p=platform%2Fupstream%2Flibinput.git

touchpad: make tp_estimate_delta return fractions

Force a cast of the input arguments to a double before the divide, rather
than after the divide.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 4d4856f..b0520c7 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -163,7 +163,7 @@ tp_end_touch(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
 static double
 tp_estimate_delta(int x0, int x1, int x2, int x3)
 {
-	return (x0 + x1 - x2 - x3) / 4;
+	return (x0 + x1 - x2 - x3) / 4.0;
 }
 
 void