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allocated (Rev #2, changes)

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Description

allocated(array) checks the status of whether x is allocated.

Standard

(削除) Fortran 95 and later (削除ここまで)(追記) Fortran 95 (追記ここまで)(追記) and later (追記ここまで)

Class

Inquiry function

Syntax

result = allocated(array)

Arguments

• array - the argument shall be an allocatable array.

Return value

The return value is a scalar logical with the default logical kind type parameter. If array is allocated, allocated(array) is .true.; otherwise, it returns .false.

Example

program test_allocated
 integer :: i = 4
 real(4), allocatable :: x(:)
 if (allocated(x) .eqv. .false.) allocate(x(i))
end program test_allocated

Revision from April 30, 2009 17:41:13 by Jason Blevins

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