3.3.2 Environmental Inquiry Functions ¤
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 |
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