message: Bug fixes in GetValues methods (thanks to unit testing)
diff: @@ -659,6 +659,7 @@ void GridFunction::GetValues(ElementTransformation &T,
  for (int j = 0; j < nip; j++)
  {
  const IntegrationPoint &ip = ir.IntPoint(j);
  + T.SetIntPoint(&ip);
  vals[j] = GetValue(T, ip, comp);
  }
  }
  @@ -790,8 +791,9 @@ void GridFunction::GetVectorValues(ElementTransformation &T,
  for (int j = 0; j < nip; j++)
  {
  const IntegrationPoint &ip = ir.IntPoint(j);
  - vals.GetColumnReference(j, val);
  + T.SetIntPoint(&ip);
  GetVectorValue(T, ip, val);
  + vals.SetCol(j, val);
  }
  }
  