From aab902cc396f6f6e43cc2a90409992017e974c44 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Fri, 18 Jul 2014 11:06:39 +0200 Subject: [PATCH] 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 Reviewed-by: Peter Hutterer Signed-off-by: Peter Hutterer --- src/evdev-mt-touchpad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c index 4d4856f6..b0520c79 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 -- 2.34.1