> >I do not know anything about valgrind, but the Fortran code is perfectly >OK. It uses an automatic array x in subroutine fsub that is dimensioned >using the dummy argument i, which is an extension of Fortran 77, but >allowed in Fortran 90 and supported by g77. Yes, the code itself is OK... Another detail that I forgot to mention is that the valgrind error goes away when i=350. Is there anything about memory allocation in g77 that would change with increasing i? I have also put this question to the valgrind people, but *they* probably don't know much about g77. BvdS
