From 8b056f9150610692d16b640616281b38f8e12616 Mon Sep 17 00:00:00 2001
From: Ahmad Nawab <ahmad.nawab@ecmwf.int>
Date: Thu, 21 Nov 2024 19:35:55 +0000
Subject: [PATCH 1/2] PREPROC: also cache subgrid files

---
 .../scripts/ecwam_run_create_bathymetry.sh    | 19 +++++++++++++++++--
 share/ecwam/scripts/ecwam_runtime.sh          |  5 ++++-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/share/ecwam/scripts/ecwam_run_create_bathymetry.sh b/share/ecwam/scripts/ecwam_run_create_bathymetry.sh
index 42c76e6e..feff4c58 100755
--- a/share/ecwam/scripts/ecwam_run_create_bathymetry.sh
+++ b/share/ecwam/scripts/ecwam_run_create_bathymetry.sh
@@ -136,11 +136,13 @@ fi
 
 cat reference_levels >> for_md5
 md5=$(cat for_md5 | md5sum | awk '{print $1}')
-WAM_TOPO=v${ecwam_bathymetry_version}/bathymetry_${wamresol}_nfre${wamnfre}_${wambathy}_${md5}
+
+# Only double-precision files are cached
+WAM_TOPO=v${ecwam_bathymetry_version}/bathymetry_dp_${wamresol}_nfre${wamnfre}_${wambathy}_${md5}
 
 subgrid_files=()
 for ip in 0 1 2; do
-   subgrid_files+=(v${ecwam_bathymetry_version}/wam_grib_subgrid_${ip}_${wamnfre}_${wambathy}_${md5})
+   subgrid_files+=(v${ecwam_bathymetry_version}/wam_grib_subgrid_dp_${wamresol}_${ip}_${wamnfre}_${wambathy}_${md5})
 done
 
 grid_files_found=true
@@ -158,6 +160,15 @@ else
   echo "\n\n\t File ${DATA_DIR}/data/bathymetry/${WAM_TOPO} and/or subgrid files were not found\n"
   echo     "\t They need to be computed from the $wambathy data set\n"
 
+  # We update the file names with the current precision to ensure we never accidentally
+  # cache single-precision files
+  WAM_TOPO=v${ecwam_bathymetry_version}/bathymetry_${ecwam_prec}_${wamresol}_nfre${wamnfre}_${wambathy}_${md5}
+
+  subgrid_files=()
+  for ip in 0 1 2; do
+     subgrid_files+=(v${ecwam_bathymetry_version}/wam_grib_subgrid_${ecwam_prec}_${wamresol}_${ip}_${wamnfre}_${wambathy}_${md5})
+  done
+
   if [[ $wambathy = "ETOPO1" ]] ; then
     echo "\n\n\t Getting ETOPO1 data set\n"
     log ${SCRIPTS_DIR}/ecwam_retrieve.sh ${ETOPO1} ${DATA_DIR}/${ETOPO1}
@@ -235,6 +246,10 @@ EOF
   mv wam_topo_${cwamresol} ${DATA_DIR}/data/bathymetry/${WAM_TOPO}
 
   for ip in 0 1 2; do
+    if [[ ! -r wam_grib_subgrid_${ip} ]] ; then
+      echo "\n\n\t File wam_grib_subgrid_${ip} does not exist\n\n"
+      abort 9
+    fi
      mv wam_grib_subgrid_${ip} ${DATA_DIR}/data/bathymetry/${subgrid_files[$ip]}
   done
 
diff --git a/share/ecwam/scripts/ecwam_runtime.sh b/share/ecwam/scripts/ecwam_runtime.sh
index b935e1d2..5bdd7ace 100644
--- a/share/ecwam/scripts/ecwam_runtime.sh
+++ b/share/ecwam/scripts/ecwam_runtime.sh
@@ -11,7 +11,7 @@ SCRIPTS_DIR="$( cd $( dirname "${BASH_SOURCE[0]}" ) && pwd -P )"
 
 # Version of topography result, to be increased when results for same run would be different.
 # e.g. when a bug is fixed.
-export ecwam_bathymetry_version=1
+export ecwam_bathymetry_version=2
 
 ECWAM_CACHE_PATH_DEFAULT=${HOME}/cache/ecwam
 [[ ${HPCPERM} ]] && ECWAM_CACHE_PATH_DEFAULT=${HPCPERM}/cache/ecwam
@@ -55,3 +55,6 @@ export DR_HOOK_ASSERT_MPI_INITIALIZED=0
 
 # export python interpreter
 export ECWAM_PYTHON_INTERP=@ECWAM_PYTHON_INTERP@
+
+# export ecWAM precision
+export ecwam_prec=@prec@

From ca794264e45e0af920eb8b61a1c3e7f1ef307f68 Mon Sep 17 00:00:00 2001
From: Ahmad Nawab <ahmad.nawab@ecmwf.int>
Date: Thu, 21 Nov 2024 19:36:34 +0000
Subject: [PATCH 2/2] O320: add single precision validation hashes

---
 tests/etopo1_oper_an_fc_O320.yml | 33 ++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/tests/etopo1_oper_an_fc_O320.yml b/tests/etopo1_oper_an_fc_O320.yml
index 02bc9e47..5fb504ba 100644
--- a/tests/etopo1_oper_an_fc_O320.yml
+++ b/tests/etopo1_oper_an_fc_O320.yml
@@ -83,3 +83,36 @@ validation:
       maximum: 0.7470872982664355E+01
       relative_tolerance: 1.e-14
       hashes: ['0x401DE22C86F4741A']
+
+  single_precision:
+
+    # initial analysis time
+    - name: swh
+      time: 2022-12-31 12:00:00
+      average: 0.1334386110305786E+01
+      relative_tolerance: 1.e-6
+      hashes: ['0x3FF559A540000000']
+
+    # initial forecast time
+    - name: swh
+      time: 2023-01-01 00:00:00
+      average: 0.1522688865661621E+01
+      relative_tolerance: 1.e-6
+      hashes: ['0x3FF85CEF00000000']
+
+    # 6h into forcast
+    - name: swh
+      time: 2023-01-01 06:00:00
+      average: 0.1602301239967346E+01
+      relative_tolerance: 1.e-6
+      hashes: ['0x3FF9A306A0000000']
+    - name: swh
+      time: 2023-01-01 06:00:00
+      minimum: 0.1733699254691601E-01
+      relative_tolerance: 1.e-6
+      hashes: ['0x3F91C0C9E0000000']
+    - name: swh
+      time: 2023-01-01 06:00:00
+      maximum: 0.7470870018005371E+01
+      relative_tolerance: 1.e-6
+      hashes: ['0x401DE22BC0000000']