F77_TRUE

The logical value TRUE

Description:

Expand to the number that FORTRAN treats as a logical value of TRUE.

Invocation

F77_TRUE

Examples:

F77_TRUE
will expand as follows:
Solaris: 1
OSF/1: -1
VAX/VMS: -1

Notes:

FORTRAN and C might not interpret the same numerical value as the same logical value.