Setting uninitialized values to NaN in a Fortran program

[Bradley T. Freese]

bowman at uiatma.atmos.uiuc.edu (Kenneth P. Bowman) writes:

> I have an ugly Fortran code that I am porting to my 6000/320.  I would like
> to set all data values not initialized in data statements to NaN in the
> hope of generating error messages if uninitialized variables are used.  At
> present, variables are apparently initialized to zero by the loader.  I
> have searched the xlf and ld commands for an option to set uninitialized
> variables to NaN, but have been unable to find anything.  Anyone out there
> have any sugestions?

No, there is no method to tell AIX to initialize your data segments to
NaN.