Fortran Wiki
shape (Rev #2, changes)

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Description

Determines the shape of an array.

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 = shape(source)

Arguments

source - Shall be an array or scalar of any type. If source is a pointer it must be associated and allocatable arrays must be allocated.

Return value

An integer array of rank one with as many elements as source has dimensions. The elements of the resulting array correspond to the extend of source along the respective dimensions. If source is a scalar, the result is the rank one array of size zero.

Example

program test_shape
 integer, dimension(-1:1, -1:2) :: a
 write(*,*) shape(a) ! (/ 3, 4 /)
 write(*,*) size(shape(42)) ! (/ /)
end program

Fortran Wiki shape (Rev #2, changes)