None of these functions are part of the FORTRAN 77 Standard.
Table 3–7 Fortran 77 Environmental Inquiry Functions
Definition |
No. of Args. |
Generic Name |
Argument Type |
Function Type |
---|---|---|---|---|
Base of Number System |
1 |
EPBASE |
INTEGER REAL DOUBLE REAL*16 |
INTEGER INTEGER INTEGER INTEGER |
Number of Significant Bits |
1 |
EPPREC |
INTEGER REAL DOUBLE REAL*16 |
INTEGER INTEGER INTEGER INTEGER |
Minimum Exponent |
1 |
EPEMIN |
REAL DOUBLE REAL*16 |
INTEGER INTEGER INTEGER |
Maximum Exponent |
1 |
EPEMAX |
REAL DOUBLE REAL*16 |
INTEGER INTEGER INTEGER |
Least Nonzero Number |
1 |
EPTINY |
REAL DOUBLE REAL*16 |
REAL DOUBLE REAL*16 |
Largest Number Representable |
1 |
EPHUGE |
INTEGER REAL DOUBLE REAL*16 |
INTEGER REAL DOUBLE REAL*16 |
Epsilon See Note (16). |
1 |
EPMRSP |
REAL DOUBLE REAL*16 |
REAL DOUBLE REAL*16 |