program test use ieee_arithmetic, only: ieee_value, ieee_quiet_nan real(8) :: x1(5) real(8), allocatable :: x2(:) allocate(x2(5)) x1(1) = ieee_value(0d0, ieee_quiet_nan) x2(1) = ieee_value(0d0, ieee_quiet_nan) print *, x1(2:5) print *, x2(2:5) end program In the program above, x1(2:…

Allocatable array defined or not

ivanpribec June 12, 2022, 6:25pm 2

I don’t see any fundamental difference from your previous question: Undefined variables

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