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btScalar btQuaternion::dot ( const btQuaternion q  )  const [inline]

Return the dot product between this quaternion and another.

Parameters:
q The other quaternion

Definition at line 143 of file btQuaternion.h.

Referenced by angle(), farthest(), and length2().

      {
            return m_floats[0] * q.x() + m_floats[1] * q.y() + m_floats[2] * q.z() + m_floats[3] * q.m_floats[3];
      }


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