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8.216 NUM_IMAGES — Function that returns the number of images ¶

Synopsis:

RESULT = NUM_IMAGES([TEAM])

RESULT = NUM_IMAGES(TEAM_NUMBER)

Description:

Returns the number of images in the current team or the given team.

Class:

Transformational function

Arguments:

TEAM	(optional, intent(in)) If present, return the number of images in the given team; if absent, return the number of images in the current team.
TEAM_NUMBER	(intent(in)) The number as given in the FORM TEAM statement.

Return value:

Scalar default-kind integer. Can be called without any arguments or a team type argument or a team_number argument.

Example:

use, intrinsic :: iso_fortran_env
INTEGER :: value[*]
INTEGER :: i
type(team_type) :: t

! When running with 4 images
print *, num_images() ! 4

form team (mod(this_image(), 2), t)
print *, num_images(t) ! 2
print *, num_images(-1) ! 4

Standard:

Fortran 2008 and later. With TEAM or TEAM_NUMBER argument, Fortran 2018 and later.

See also:

THIS_IMAGE — Function that returns the cosubscript index of this image,
IMAGE_INDEX — Function that converts a cosubscript to an image index