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Update finger_metrics.h #15

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Update finger_metrics.h #15

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Update finger_metrics.h 
Fix for the error thrown for 

include/gestures/include/finger_metrics.h" In member function 'float gestures::Vecotr2::Mag() const': include/gestures/include/finger_metrics.h:38:12: error: 'sqrtf' was not declared in this scope
  return sqrtf(MagSq());
@kcalvinalvin
kcalvinalvin authored Jul 17, 2019
commit 911cadb864b84b4c18214e594f917a8c580a32bd
1 change: 1 addition & 0 deletions include/gestures/include/finger_metrics.h
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Original file line number Diff line number Diff line change
@@ -5,6 +5,7 @@
#ifndef GESTURES_FINGER_METRICS_H_
#define GESTURES_FINGER_METRICS_H_

#include <math.h>
#include "gestures/include/gestures.h"
#include "gestures/include/prop_registry.h"
#include "gestures/include/vector.h"