Re: How to detect NULL input?
- From: nospam@xxxxxxxxxxxxx (Richard E Maine)
- Date: Tue, 31 Jan 2006 12:27:23 -0800
glen herrmannsfeldt <gah@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> It does seem that there are complications with ENTRY, such that
> array valued functions are not allowed.
That's not entirely accurate as it stands. Array functions are allowed
with entry. What is not allowed is array function entries that do the
"funny" entry equivalence thing. That funny equivalence thing is
basically an obsolescent feature (although not explicitly labelled that
way). You an tell because of the very short list of cases where it is
allowed - no derived types, not even intrinsic types other than the ones
in f77 (for example, no integers other than of default kind).
Entries can be arrays as long as they have the same characteristics as
the function result.
--
Richard Maine | Good judgment comes from experience;
email: my first.last at org.domain| experience comes from bad judgment.
org: nasa, domain: gov | -- Mark Twain
.
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