OEWriteOldStyleGrid

bool OEWriteOldStyleGrid(OEPlatform::oeostream &ostr,
                         const OEFixedGrid<float> &grid)
bool OEWriteOldStyleGrid(OEPlatform::oeostream &ostr,
                         const OEFixedMultiGrid<float> &grid,
                         unsigned int cur_grid=0)