Variables | |
| double precision | epzero |
| epsilon | |
| double precision | rinfin |
| infinite | |
| double precision | grand |
| big value | |
| double precision | zero |
| zero | |
| double precision | pi |
| double precision epzero |
epsilon 
| double precision grand |
big value 
| double precision pi |

| double precision rinfin |
infinite 
| double precision zero |
zero 