Re: Q: Checking the size of a non-allocated array?

integer y(5)
integer, allocatable :: x(:)
!-----
call mysub(y) ! this call should be ok
call mysub(x) ! this call invokes size(x,1), which may not be

You might want to check if x is allocated before calling the routine:

if (allocated(x)) call mysub(x)

Note that you cannot check y in such a way, as it is not an
allocatable array.

Arno

.

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