|
Last change
on this file was
1910,
checked in by Laurent Fairhead, 11 years ago
|
|
Merged trunk changes r1860:1909 into testing branch
|
-
Property copyright set to
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory
|
|
File size:
770 bytes
|
| Line | |
|---|
| 1 | module ifirstloc_m |
|---|
| 2 | |
|---|
| 3 | implicit none |
|---|
| 4 | |
|---|
| 5 | contains |
|---|
| 6 | |
|---|
| 7 | INTEGER FUNCTION ifirstloc(mask) |
|---|
| 8 | |
|---|
| 9 | ! Location of first true value in a logical array, returned as an |
|---|
| 10 | ! integer. Returns size(mask)+1 if mask has zero element or all |
|---|
| 11 | ! elements of mask are false. So the result is always >= 1. |
|---|
| 12 | |
|---|
| 13 | ! See notes on programming choices. |
|---|
| 14 | |
|---|
| 15 | LOGICAL, INTENT(IN):: mask(:) |
|---|
| 16 | |
|---|
| 17 | ! Local: |
|---|
| 18 | integer n |
|---|
| 19 | |
|---|
| 20 | !------------------------------------------------------- |
|---|
| 21 | |
|---|
| 22 | n = size(mask) |
|---|
| 23 | ifirstloc = 1 |
|---|
| 24 | |
|---|
| 25 | if (n >= 1) then |
|---|
| 26 | do while (ifirstloc <= n - 1 .and. .not. mask(ifirstloc)) |
|---|
| 27 | ifirstloc = ifirstloc + 1 |
|---|
| 28 | end do |
|---|
| 29 | ! {1 <= ifirstloc <= n} |
|---|
| 30 | if (.not. mask(ifirstloc)) ifirstloc = n + 1 |
|---|
| 31 | end if |
|---|
| 32 | |
|---|
| 33 | END FUNCTION ifirstloc |
|---|
| 34 | |
|---|
| 35 | end module ifirstloc_m |
|---|
Note: See
TracBrowser
for help on using the repository browser.
