9.146. IMAGE_INDEX

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

Description:

Returns the image index belonging to a cosubscript.

Standard:

Fortran 2008 and later

Class:

Inquiry function.

Syntax:

RESULT = IMAGE_INDEX(COARRAY, SUB)

Arguments: None.
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 which 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])
See also:

THIS_IMAGE, NUM_IMAGES

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/IMAGE_005fINDEX.html

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