Charles Smith wrote: [snip] > > But this pgm fails: > > #!/usr/bin/env perl > use Math::Trig; > my $a = \&Math::Trig::cos; > &$a(0); > > Undefined subroutine &Math::Trig::cos called at modfunctor line 7. >
The cos sub is defined in Math::Complex, which Math::Trig loads. Try this: use strict; use Math::Trig; my $cos = \&Math::Complex::cos; print $cos->(0); -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/