| DclGrid2DForwardBLI (G2FBLI)  | 
    Bilinear Interpolation. | 
| DclGrid2DForwardBLI2 (G2FBL2)  | 
    Bilinear Interpolation for 2 Parameters. | 
| DclGrid2DInverseBLI2 (G2IBL2)  | 
    Inverse of Bilinear interpolation for 2parameters. | 
|  DclGrid2DSetCoordinateTransform (G2SCTR)  | 
      Set Transform.(Initialize).  | 
  
| DclGrid2DCoordinateTransform (G2FCTR)  | 
      Coorinate Transformation.  | 
  
| DclGrid2DInverseCoordinateTransform (G2ICTR)  | 
      Inverse of Coordinate Transformation.  | 
  
| DclGrid2DGetCoordinateTransform (G2QCTM)  | 
      Get Min/Max of Destination of Coordinate Transformation.  | 
  
| Dclg2qcti (G2QCTI)  | 
      Whether Parameter Is initialized or not.  | 
  
* The corresponding f77 interface name in parentheses.