8.147 IMAGE_INDEX — Function that converts a cosubscript to an image index

Synopsis:

RESULT = IMAGE_INDEX(COARRAY, SUB)

Description:

Returns the image index belonging to a cosubscript.

Class:

Inquiry function.

Arguments:

COARRAY	Coarray of any type.
SUB	default integer rank-1 array of a size equal to the corank of COARRAY.

Return value:

Scalar default integer with the value of the image index that corresponds to the cosubscripts. For invalid cosubscripts the result is zero.

Example:

INTEGER :: array[2,-1:4,8,*]
! Writes  28 (or 0 if there are fewer than 28 images)
WRITE (*,*) IMAGE_INDEX (array, [2,0,3,1])

Standard:

Fortran 2008 and later

See also:

THIS_IMAGE,
NUM_IMAGES