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+## This file is part of the execution-time evaluation for the qronos observer abstractions.
+## Copyright (C) 2022-2023  Tim Rheinfels  <tim.rheinfels@fau.de>
+## See https://gitlab.cs.fau.de/qronos-state-abstractions/execution-time
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+###
+###  @file  data.py
+###
+###  @brief  Provides functionality for handling the evaluation data
+###
+###  @author  Tim Rheinfels  <tim.rheinfels@fau.de>
+###
+
+import numpy as np
+import ujson as json
+import logging
+import struct
+
+###
+###  @brief  Reads the evaluation JSON data from @p path, performs
+###          some checks and returns it as dictionary.
+###
+###  @param  path  Path to the JSON file
+###
+###  @returns  Dictionary containing the evaluation data
+###
+def load_json_data(path):
+    with open(path, 'r') as f:
+        data = f.read()
+
+    # Now we can parse it as json
+    data = json.loads(data)
+
+    # Check if git revision is dirty
+    if data['version']['git_revision'].endswith('-dirty'):
+        logging.warning('Data stored under "%s" has dirty git revision: %s' % (path, data['version']['git_revision']))
+
+    # Check if unit tests succeeded
+    if not data['unit_tests']['success']:
+        logging.error('Unit tests did not succeed for data stored under "%s": %s' % (path, data['unit_tests']['output']))
+
+    # Done.
+    return data
+
+###
+###  @brief  Decodes a single-precision float @p data encoded as integer
+###
+###  @param  data  Single-precision float encoded as 32-bit integer
+###
+###  @returns  Decoded single-precision float represented by @p data
+###
+def decode(data):
+    if isinstance(data, list):
+        return np.array([decode(x) for x in data], dtype=np.float32)
+    return struct.unpack('<f', struct.pack('<I', data))[0]