[PATCH] Remove spurious addition from range normalization calculation
Jason Gerecke
killertofu at gmail.com
Fri Dec 5 15:13:34 PST 2014
The presence of a "+1" in the range calculation prevents the
normalization functions from returning a value of "1.0" when
absinfo->value has reached its maximum.
Signed-off-by: Jason Gerecke <killertofu at gmail.com>
---
src/evdev-tablet.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/evdev-tablet.c b/src/evdev-tablet.c
index ff5f737..9921823 100644
--- a/src/evdev-tablet.c
+++ b/src/evdev-tablet.c
@@ -105,7 +105,7 @@ tablet_update_tool(struct tablet_dispatch *tablet,
static inline double
normalize_pressure_or_dist(const struct input_absinfo * absinfo) {
- double range = absinfo->maximum - absinfo->minimum + 1;
+ double range = absinfo->maximum - absinfo->minimum;
double value = (absinfo->value - absinfo->minimum) / range;
return value;
@@ -113,7 +113,7 @@ normalize_pressure_or_dist(const struct input_absinfo * absinfo) {
static inline double
normalize_tilt(const struct input_absinfo * absinfo) {
- double range = absinfo->maximum - absinfo->minimum + 1;
+ double range = absinfo->maximum - absinfo->minimum;
double value = (absinfo->value - absinfo->minimum) / range;
/* Map to the (-1, 1) range */
--
2.1.3
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