public static float btAngle(btQuaternion q1, btQuaternion q2)
{
float ret = LinearMathPINVOKE.btAngle__SWIG_0(btQuaternion.getCPtr(q1), btQuaternion.getCPtr(q2));
if (LinearMathPINVOKE.SWIGPendingException.Pending) throw LinearMathPINVOKE.SWIGPendingException.Retrieve();
return ret;
}