v1.8.1

Code Improvement and Optimization

• Clean some code.
• Use CodeFactor to note code quality.
• Remove GTest from sources and import it with CMake.

Data

• The normalization is no longer done automatically.

Tests

• Improve test stability.
• Fix CI compilation with GCC 13.
• Datasets
  • Improve the best CIFAR-10 neural network.
  • Improve the best Audio Cats and Dogs neural network.