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touchpad: switch from fabs() to abs()

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silence clang warning:
evdev-mt-touchpad.c:1017:7: warning: using floating point absolute value
function 'fabs' when argument is of integer type [-Wabsolute-value]

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
This commit is contained in:
Peter Hutterer 2016-10-24 11:04:18 +10:00
parent ef2f95dfee
commit 1843c4aeae
1 changed files with 2 additions and 2 deletions
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4
src/evdev-mt-touchpad.c
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@ -1013,8 +1013,8 @@ tp_detect_jumps(const struct tp_dispatch *tp, struct tp_touch *t)
/* called before tp_motion_history_push, so offset 0 is the most
* recent coordinate */
last = tp_motion_history_offset(t, 0);
dx = fabs(t->point.x - last->x) / tp->device->abs.absinfo_x->resolution;
dy = fabs(t->point.y - last->y) / tp->device->abs.absinfo_y->resolution;
dx = 1.0 * abs(t->point.x - last->x) / tp->device->abs.absinfo_x->resolution;
dy = 1.0 * abs(t->point.y - last->y) / tp->device->abs.absinfo_y->resolution;
return hypot(dx, dy) > JUMP_THRESHOLD_MM;
}