Add option `--avg_fix`

Add option `--avg_fix` in tests to reproduce previous behaviour.

Trajectories/Tests/perf_tests.json

@@ -11,7 +11,7 @@
     "Perf_cost_function": {
 	"description": "Performance test with adjustable size of input.",
 	"command": [
-            "$src_dir/Trajectories/cost_function.py",
+            "$src_dir/Trajectories/cost_function.py", "--avg_fix",
             "$my_data_dir/Global_1993_2023/SHPC",
             "Anticyclones",
             "$PWD/Perf_segments/segments.gt",

Trajectories/Tests/tests.json

@@ -40,7 +40,7 @@
     },
     "Cost_functions": {
 	"command": [
-            "$src_dir/Trajectories/cost_function.py",
+            "$src_dir/Trajectories/cost_function.py", "--avg_fix",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC",
             "Anticyclones",
             "$tests_old_dir/Segments/segments.graphml",
@@ -60,7 +60,7 @@
     "Greece_cost_function": {
 	"description": "This is a case where the speed is not defined on a whole segment. It can be seen in the properties first_av_ros or last_av_ros.",
 	"command": [
-            "$src_dir/Trajectories/cost_function.py",
+            "$src_dir/Trajectories/cost_function.py", "--avg_fix",
             "$tests_old_dir/Greece/SHPC",
             "Anticyclones",
             "$tests_old_dir/Greece_segments/segments.graphml",
@@ -73,7 +73,7 @@
 	"description": "Like Greece_cost_function but without option --debug.",
 	"command":
 	[
-            "$src_dir/Trajectories/cost_function.py",
+            "$src_dir/Trajectories/cost_function.py", "--avg_fix",
 	    "$tests_old_dir/Greece/SHPC", "Anticyclones",
             "$tests_old_dir/Greece_segments/segments.graphml",
             "segments_cost_functions.graphml"
@@ -110,7 +110,7 @@
 	"I want a larger case than Greece to test script cost_function.py.",
 	"command":
 	[
-	    "$src_dir/Trajectories/cost_function.py",
+	    "$src_dir/Trajectories/cost_function.py",  "--avg_fix",
 	    "$my_data_dir/Eurec4A/SHPC", "Anticyclones",
 	    "$tests_old_dir/Eurec4A_segments/segments.graphml",
 	    "segments_cost.graphml"