Fix QNX 6.6 build, use the q* version of math functions

genericrotationsensor.cpp:85:37: error: 'sqrt' was not declared in this scope

Change-Id: I871b88130debdfd0a64421e4da8a451b586e7ba6
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>

2 files changed, 9 insertions, 9 deletions

diff --git a/src/plugins/sensors/generic/genericrotationsensor.cpp b/src/plugins/sensors/generic/genericrotationsensor.cpp
index af2800c..af2c3cf 100644
--- a/src/plugins/sensors/generic/genericrotationsensor.cpp
+++ b/src/plugins/sensors/generic/genericrotationsensor.cpp
@@ -82,8 +82,8 @@ bool genericrotationsensor::filter(QSensorReading *reading)
 
     // Note that the formula used come from this document:
     // http://www.freescale.com/files/sensors/doc/app_note/AN3461.pdf
-    pitch = qAtan(y / sqrt(x*x + z*z)) * RADIANS_TO_DEGREES;
-    roll = qAtan(x / sqrt(y*y + z*z)) * RADIANS_TO_DEGREES;
+    pitch = qAtan(y / qSqrt(x*x + z*z)) * RADIANS_TO_DEGREES;
+    roll = qAtan(x / qSqrt(y*y + z*z)) * RADIANS_TO_DEGREES;
     // Roll is a left-handed rotation but we need right-handed rotation
     roll = -roll;
 
@@ -92,7 +92,7 @@ bool genericrotationsensor::filter(QSensorReading *reading)
     // Note that theta is defined as the angle of the Z axis relative
     // to gravity (see referenced document). It's negative when the
     // face of the device points downward.
-    qreal theta = qAtan(sqrt(x*x + y*y) / z) * RADIANS_TO_DEGREES;
+    qreal theta = qAtan(qSqrt(x*x + y*y) / z) * RADIANS_TO_DEGREES;
     if (theta < 0) {
         if (roll > 0)
             roll = 180 - roll;
diff --git a/src/plugins/sensors/generic/generictiltsensor.cpp b/src/plugins/sensors/generic/generictiltsensor.cpp
index f6dafb4..a2525a8 100644
--- a/src/plugins/sensors/generic/generictiltsensor.cpp
+++ b/src/plugins/sensors/generic/generictiltsensor.cpp
@@ -80,7 +80,7 @@ void GenericTiltSensor::stop()
 */
 static inline qreal calcPitch(double Ax, double Ay, double Az)
 {
-    return -qAtan2(Ax, sqrt(Ay * Ay + Az * Az));
+    return -qAtan2(Ax, qSqrt(Ay * Ay + Az * Az));
 }
 
 /*
@@ -91,7 +91,7 @@ static inline qreal calcPitch(double Ax, double Ay, double Az)
 */
 static inline qreal calcRoll(double Ax, double Ay, double Az)
 {
-    return qAtan2(Ay, (sqrt(Ax * Ax + Az * Az)));
+    return qAtan2(Ay, (qSqrt(Ax * Ax + Az * Az)));
 }
 
 void GenericTiltSensor::calibrate()
@@ -132,15 +132,15 @@ bool GenericTiltSensor::filter(QAccelerometerReading *reading)
     qreal xrot = roll - calibratedRoll;
     qreal yrot = pitch - calibratedPitch;
     //get angle between 0 and 180 or 0 -180
-    qreal aG = 1 * sin(xrot);
-    qreal aK = 1 * cos(xrot);
+    qreal aG = 1 * qSin(xrot);
+    qreal aK = 1 * qCos(xrot);
     xrot = qAtan2(aG, aK);
     if (xrot > M_PI_2)
         xrot = M_PI - xrot;
     else if (xrot < -M_PI_2)
         xrot = -(M_PI + xrot);
-    aG = 1 * sin(yrot);
-    aK = 1 * cos(yrot);
+    aG = 1 * qSin(yrot);
+    aK = 1 * qCos(yrot);
     yrot = qAtan2(aG, aK);
     if (yrot > M_PI_2)
         yrot = M_PI - yrot;