| DclIntLT (IRLT) | Get the smaller biggest integer than a designation value. | 
| DclIntGT (IRGT) | Get bigger more minimum integer than a designation value. | 
| DclIntLE (IRLE) | Get the biggest integer below a designation value. | 
| DclIntGE (IRGE) | Get minimum integer over a designation value. | 
*The corresponding f77 interface name in parentheses.