consider this example:
bundle b = _(y=LRM)
list L = const
L += genseries("L", b.y)
This rightly gives an error, since genseries tries to create a series
"L", where the identifier "L" is already occupied by the defined list
before. But the error message is a little opaque: "variable number -1
out of bounds".
Of course, the return value -1 just signals an error. And if this wrong
construction is executed without the bundle sauce on top of it, then
gretl also says "object type list not acceptable in this context", which
is informative. But: in the example above this additional message is not
printed out, just the out of bounds reply.
Not very important, I know, but I stumbled over it in real code.
here's an idea: When you open Help - About gretl, and then click on
News, you get the release notes in the form of the most recent
changelog, together with a link to the online version. On that webpage,
you also have a link to the log of compatibility-breaking changes.
What about including those more severe changes also directly in the
gretl: NEWS window for direct offline use?
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Hi, consider this fairly minimal code example:
loop i = $tmax..$tmax + 9
catch value = LRM[i]
eval $error # This line necessary to provoke the problem!
What I'm getting on gretl 2022c is that in the first loop iteration it
works as expected, namely that catch isn't necessary (since LRM[$tmax]
gives the last available obs) and the error value is zero. Directly
afterwards for i==$tmax+1 gretl says "index value 56 out of bounds".
This is correct, but that's exactly what 'catch' should, well, catch.
Notice that when the $error value isn't accessed, then gretl does _not_
But that's not all - what follows is a more complex example without a
direct $error access, where the simple loop construct works, but an
equivalent while-loop does not work:
loop i = $tmax..$tmax + 9
catch value = LRM[i] # works
print "got here?"
index = $tmax
loop while index < $tmax + 10
catch value = LRM[index] # fails
Could this have to do with the recent "more-compilation" internal gretl
business, or did that not make it into gretl 2022c?
totally different small issue:
? eval int($huge)
... as opposed to floor($huge) and round($huge), which work as expected.
BTW, int(-$huge) is also negative, the same number.
I'm noticing that the $system accessor bundle does not contain the
sample_t1 and sample_t2 members if the bundle stems from an explicit
simultaneous-equation system ('system' block, as opposed to 'var' or
'vecm'). See for example:
equation LRM const LRY(-2) LRM(-3)
equation LRY const LRY(-1)
Is this just an oversight like I'm guessing?
(Remember that sample_t1 and t1 can differ depending on available
pre-sample values in the dataset and on the lag structure in the system.)
Hi, I get different behavior for a certain use of "print" and "eval":
catch v = LRM # is out of bounds
eval $error # non-zero as expected
catch v = LRM
print $error # 0
Is this difference expected/OK or a bug?