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Torch is the main package in Torch7 where data structures for multi-dimensional tensors and mathematical operations over these are defined. Additionally, it provides many utilities for accessing files, serializing objects of arbitrary types and other useful utilities.

• Tensor Library
  • Tensor defines the all powerful tensor object that provides multi-dimensional numerical arrays with type templating.
  • Mathematical operations that are defined for the tensor object types.
  • Storage defines a simple storage interface that controls the underlying storage for any tensor object.
• File I/O Interface Library
  • File is an abstract interface for common file operations.
  • Disk File defines operations on files stored on disk.
  • Memory File defines operations on stored in RAM.
  • Pipe File defines operations for using piped commands.
  • High-Level File operations defines higher-level serialization functions.
• Useful Utilities
  • Timer provides functionality for measuring time.
  • Tester is a generic tester framework.
  • CmdLine is a command line argument parsing utility.
  • Random defines a random number generator package with various distributions.
  • Finally useful utility functions are provided for easy handling of torch tensor types and class inheritance.