On Fri, 30 May 2008, Riccardo (Jack) Lucchetti wrote: > On Fri, 30 May 2008, Stefano Balietti wrote: > > > The operation of selection of submatrixes causes a seg-fault if > > performed within a loop. > > Not quite. The problem exists, but is more subtle than that... Ah, this was a residual GENCOMPILE bug. Fixed in CVS. Allin.