updated the default.properties file in nlm demo

bundles/fr.irisa.cairn.gecos.typeexploration.demo/demos/nlm/default.properties

+# Compiler used during profiling. The current simulation based profiler assumes gcc/g++ options are accepted.
+# Default value: g++
+CC = g++
+
+# Additional compiler flags to be used during profiling runs.
+# Default value: -O2 -Wno-everything
+EXTRA_CFLAGS = -O2 -Wno-everything
+
+# Path to DSL that specify model of computation used in cost models.
+# Default value: 
+COST_MODEL_DSL = 
+
+# Additional flags to be used for cost models. Use group=<group name> to specify a pre-defined group to include in the cost calculation.
+# Default value: 
+COST_MODEL_FLAGS = 
+
 # Max number of threads to be used: Positive integer value or C to match available Processors
 # Default value: C
 nbThreads = C
 
-# Logging level for the main logger: [SEVERE, WARNING, INFO, FINE, ALL]
-# Default value: INFO
-mainLogLevel = INFO
+# Number of times a simulation is repeated.Main usage is to inject content of different files as inputs.
+# Default value: 1
+nbSimulations = 1
+
+# If false no charts will be created/displayed during exploration: [true, false]
+# Default value: true
+enableCharts = true
 
-# Logging level for the exploration logger: [SEVERE, WARNING, INFO, FINE, ALL]
-# Default value: INFO
+# Logging level for the main logger: [OFF, SEVERE, WARNING, CONFIG, INFO, FINE, FINER, FINEST, ALL]
+# Default value: ALL
+mainLogLevel = ALL
+
+# Logging level for the exploration logger: [OFF, SEVERE, WARNING, CONFIG, INFO, FINE, FINER, FINEST, ALL]
+# Default value: ALL
 explorationLogLevel = ALL
 
 # Exploration Mode: [FIXED, FLOAT, MIXED]
@@ -29,25 +53,40 @@ nbOutputsToKeep = 3
 # Default value: false
 pruneFirst = false
 
-# Exploration algorithm: [BRUTE_FORCE, MIN_PLUS_ONE, TABU_SEARCH]
-# Default value: MIN_PLUS_ONE
+# Exploration algorithm: [BRUTE_FORCE, MIN_PLUS_ONE, TABU_SEARCH, ENUMERATION]
+# Default value: TABU_SEARCH
 explorationAlgo = TABU_SEARCH
 
-# Accuracy metric: [MAX_ABS_ERR, PSNR, PSNR_DB, POWER, POWER_DB]
+# Additional flags to be used by specific exploration algorithms. Available options depend on the algorithm.
+# Default value: 
+explorationFlags = 
+
+# Comma-separated Accuracy metrics: [MAX_ABS_ERR, PSNR, PSNR_DB, POWER, POWER_DB, SSIM]
 #   MAX_ABS_ERR: Maximum Absolute Error. Higher values are less accurate
 #   PSNR: Peak Signal to Noise Ratio. Higher values are more accurate
 #   PSNR_DB: Peak Signal to Noise Ratio in dB. Higher values are more accurate
 #   POWER: Noise Power. Higher values are less accurate
 #   POWER_DB: Noise Power in dB. Higher values are less accurate
+#   SSIM: Structural Similarity (SSIM). Higher values are more accurate
 # Default value: PSNR_DB
 accuracyMetric = PSNR_DB
 
-# Threshold value of the specified Accuracy Metric. It's considered as a Lower (Upper) bound if higher values -of the specified metric- are considered more (less) accurate
+# Comma-separated Threshold values of the corresponding Accuracy Metrics (in the same order). It's considered as a Lower (Upper) bound if higher values -of the specified metric- are considered more (less) accurate
 # Default value: 40
-accuracyThreshold = 70
+accuracyThreshold = 40
+
+# Structural Similarity is used as an additional accuracy metric when enabled.
+# Default value: false
+SSIMenabled = false
+
+# Variable name to be used for SSIM calculation.
+# Default value: 
+SSIMtarget = 
 
-# Cost metric: [SUM_W]
+# Comma-separated Cost metrics: [SUM_W, AREA_MODEL, ENERGY_MODEL]
 #   SUM_W: The sum of wordlengths of all Symbols. Higher values are more costly
+#   AREA_MODEL: Simple area cost estimation based on a model of computation. Higher values are more costly
+#   ENERGY_MODEL: Simple energy estimation based on a model of computation. Higher values are more costly
 # Default value: SUM_W
 costMetric = SUM_W
 
@@ -65,21 +104,23 @@ snapshotsErrorMerge = MEAN
 # Default value: CONCAT
 symbolsErrorMerge = CONCAT
 
-# The default wordlength values to use for Symbols without EXPLORE_FIX pragma: Comma-separated Positive integer values
+# The default wordlength values to use for Symbols without EXPLORE_FIX pragma: Comma-separated, Positive integer value or value range (min..max)
 # Default value: 32
 defaultFixedW = 32
 
-# The default integer-part-length values to use for Symbols without EXPLORE_FIX pragma: Comma-separated Positive integer value
+# The default integer-part-length values to use for Symbols without EXPLORE_FIX pragma: Comma-separated, Positive integer value or value range (min..max)
 # Default value: 16
 defaultFixedI = 16
 
-# The default wordlength values to use for Symbols without EXPLORE_FLOAT pragma: Comma-separated Positive integer value
+# The default wordlength values to use for Symbols without EXPLORE_FLOAT pragma: Comma-separated, Positive integer value or value range (min..max)
 # Default value: 32
 defaultFloatW = 32
 
-# The default exponent length values to use for Symbols without EXPLORE_FLOAT pragma: Comma-separated Positive integer value
+# The default exponent length values to use for Symbols without EXPLORE_FLOAT pragma: Comma-separated, Positive integer value or value range (min..max)
 # Default value: 8
 defaultFloatE = 8
 
-enableCharts = true
+# Set to 1 if the values are signed by default, 0 otherwise.
+# Default value: 1
+defaultSigned = 1