NS_WARNING("no context in AxisLength()"); return 1e-20f;
NS_ERROR("no context in AxisLength()"); return 1.0f;
float nsSVGLength::AxisLength(){  if (!mContext) {    NS_WARNING("no context in AxisLength()");    return 1e-20f;  }  nsCOMPtr<nsIDOMSVGNumber> num;  mContext->GetLength(getter_AddRefs(num));  NS_ASSERTION(num, "null interface");  float d;  num->GetValue(&d);    NS_ASSERTION(d!=0.0f, "zero axis length");    if (d == 0.0f)    d = 1e-20f;  return d;}