public float distance2(btVector3 v)
{
float ret = LinearMathPINVOKE.btVector3_distance2(swigCPtr, btVector3.getCPtr(v));
if (LinearMathPINVOKE.SWIGPendingException.Pending) throw LinearMathPINVOKE.SWIGPendingException.Retrieve();
return ret;
}