Re: [Gretl-devel] 'catch' problem (in SVAR package)

On Tue, 2 Apr 2013, Riccardo (Jack) Lucchetti wrote: > On Tue, 2 Apr 2013, Sven Schreiber wrote: >> >> a colleague asked me about a non-convergence problem with his >> application of the SVAR package. I can replicate the error, which gives: >> ... >> Das Konvergenzkriterium wurde nicht getroffen >> *** error in function estC >> > catch scalar ll = NRmax(theta, "loglik(&theta, &dat, -1)", >> >> Sorry for the German, but this actually gave me a thought here: the >> error message ("convergence criterion not met", in German) comes from an >> internal function because it is translated. I assume it's from NRmax(), >> but then I wonder: isn't Jack's use of 'catch' supposed to suppress this >> error message or at least suppress the interruption? > > In theory, yes. Could you send me the data + a script, please? I've just fixed a probably relevant bug in CVS. If "catch" is used in a loop, and it applies to a genr expression which gets compiled, then the "catchiness" was wearing off after one go: on the second or subsequent execution of the given compiled line the error would not be trapped.