[Gretl-devel] crash recipe

Hi, this time I have a working example insofar as the following script crashes gretl (recent cvs) for me: <hansl> open denmark dataset addobs 4 # script operates on denmark with obs added until 1988:3 list lhs = IBO IDE LRM LRY function void mycheck(list lhs, series rhs) list allrhs = null loop foreach i lhs list rhs_$i = rhs(-1) # trivial example if i=1 list allrhs = rhs_$i else list allrhs = allrhs ; rhs_$i endif endloop system method=SUR equations lhs allrhs end system fcast 1987:4 1988:3 end function smpl 1974:1 1987:3 mycheck(lhs,LRM) </hansl> Maybe there is again a bug in the script, but I guess we agree that gretl shouldn't crash. Actually the background for testing this script was that I had the following situation in a bigger, more realistic context: 1. do dynamic 3-step forecasts inside a function 2. do them sequentially in the sense of adding one obs at a time (for forecast evaluation) 3. when the loop got to the penultimate available observation (in this case sample end at 2010:10, so data available until 2010:11, but the workfile range set until 2011:4 or so), the 3-step 'fcast' command only produced forecasts for two periods, until 2010:12; the third row of the $fcast output was simply empty! 4. furthermore, trying to access the third row of $fcast to copy the value gave the error message "index 1 out of bounds" which is misleading at best. thanks and good luck hunting the bug, sven