Changeset 13186 for NEMO/branches/2020/dev_r12558_HPC-08_epico_Extra_Halo/src/SAS/stpctl.F90

Timestamp:

2020-07-01T09:18:17+02:00 (4 years ago)

Author:

smasson

Message:

Extra_Halo: merge with trunk@13136, see #2366

File:

• NEMO/branches/2020/dev_r12558_HPC-08_epico_Extra_Halo/src/SAS/stpctl.F90 (modified) (1 diff)

NEMO/branches/2020/dev_r12558_HPC-08_epico_Extra_Halo/src/SAS/stpctl.F90

@@ -112 +112 @@
       !                                   !==  done by all processes at every time step  ==!
       llmsk(:,:) = tmask(:,:,1) == 1._wp
-      zmax(1) = MAXVAL(      vt_i (:,:)            , mask = llmsk )   ! max ice thickness
-      zmax(2) = MAXVAL( ABS( u_ice(:,:) )          , mask = llmsk )   ! max ice velocity (zonal only)
-      zmax(3) = MAXVAL(     -tm_i (:,:) + 273.15_wp, mask = llmsk )   ! min ice temperature
+      IF( COUNT( llmsk(:,:) ) > 0 ) THEN   ! avoid huge values sent back for land processors...
+         zmax(1) = MAXVAL(      vt_i (:,:)            , mask = llmsk )   ! max ice thickness
+         zmax(2) = MAXVAL( ABS( u_ice(:,:) )          , mask = llmsk )   ! max ice velocity (zonal only)
+         zmax(3) = MAXVAL(     -tm_i (:,:) + 273.15_wp, mask = llmsk )   ! min ice temperature
+      ELSE
+         IF( ll_colruns ) THEN    ! default value: must not be kept when calling mpp_max -> must be as small as possible
+            zmax(1:3) = -HUGE(1._wp)
+         ELSE                     ! default value: must not give true for any of the tests bellow (-> avoid manipulating HUGE...)
+            zmax(1:3) = 0._wp
+         ENDIF
+      ENDIF
       zmax(4) = REAL( nstop, wp )                                     ! stop indicator
       !                                   !==               get global extrema             ==!