On 06-03-2012, at 15:46, Berend Hasselman wrote: > >> >>> Thus, perhaps strangely, if there is only a >>> external double complex zdotc >>> declaration in your subroutine, the compiler doesn't know that a call >> >> The only 'strangely' thing is that is accepted: AFAICS is it not valid >> according to the link above. >> > > Agree. The fortran 77 standard doesn't allow that syntax and I'm really > surprised that no error is flagged. >
Got it. See http://www.fortran.com/F77_std/rjcnf0001-sh-3.html#sh-3.1.6 Compiler ignores the blanks and external double complex zdotc becomes external doublecomplexzdotc And that is legal. And how long have I been using Fortran? I won't tell. Berend ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel