Sun Studio 12: Fortran Library Reference

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 

EPBASE

INTEGER

REAL

DOUBLE

REAL*16

INTEGER

INTEGER

INTEGER

INTEGER

Number of Significant Bits 

EPPREC

INTEGER

REAL

DOUBLE

REAL*16

INTEGER

INTEGER

INTEGER

INTEGER

Minimum Exponent 

EPEMIN

REAL

DOUBLE

REAL*16

INTEGER

INTEGER

INTEGER

Maximum Exponent 

EPEMAX

REAL

DOUBLE

REAL*16

INTEGER

INTEGER

INTEGER

Least Nonzero Number 

EPTINY

REAL

DOUBLE

REAL*16

REAL

DOUBLE

REAL*16

Largest Number Representable 

EPHUGE

INTEGER

REAL

DOUBLE

REAL*16

INTEGER

REAL

DOUBLE

REAL*16

Epsilon See Note (16).

EPMRSP

REAL

DOUBLE

REAL*16

REAL

DOUBLE

REAL*16