Xerus changelog

Changelog History

• v4.0.1._conda

  May 03, 2020

• v3.0.1

  May 31, 2017

• v3.0.0

  May 29, 2017

• v2.4.0 Changes

  June 23, 2016

  • 2016-06-23 v2.4.0
    • Introduced nomeclature 'mode'. Marked all functions that will be renamed / removed in v3.0.0 as deprecated.
    • Added an experimental python wrapper when 'OTHER += -DXERUS_EXPERIMENTAL_PYTHON_WRAPPER' is defined in the config file.
    • Added TT::degrees_of_freedom function to determine the dimension of the current tangent space.
    • ! Corrected a typo in the class names of the measurement sets.
    • Added constants xerus::VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION and VERSION_COMMIT.
    • Improved compilation time and more forgiving default settings for warnings.

• v2.3.0 Changes

  April 04, 2016

  • Added save_to_file and load_from_file functions to store and restore Tensors and TensorNetworks in/from files.
  • Added SVD based calculate_pseudo_inverse function to Tensor.
  • ➕ Added implementation for perform_trace() for sparse Tensors.
  • 🛠 Fixed the pipe operator for xerus::misc::generic_exception to not destroy the type information.
  • 🐛 Bug fix in the handling of fixed indices in TensorNetworks.
  • Several static member function now warn if their return type is not used.
  • 🎉 Initial support for compilation with the intel ICC.

• v2.2.1 Changes

  March 11, 2016

  • ➕ Added support for 32bit systems.

• v2.2.0 Changes

  March 11, 2016

  • ➕ Added Sparse solve and sparse QR factorization.
  • 📜 ! Xerus now depends on the SuiteSparseQR (-lspqr) library.
  • 📜 TTNetwork sum now supports sparse components.
  • 📜 TTNetwork entrywise_product now supports sparse components.
  • 🆓 ! entrywise_product (for TTNetworks) now a free function instead of static member.
  • 📜 TTNetwork entrywise_square now supports sparse components.
  • 🛠 Bugfix in Dense/Sparse conversion factor handling.

• v2.1.1 Changes

  March 11, 2016

  • 🛠 Basic support for fixed indices in TensorNetworks.
  • Readded TTNetwork constructor from DimensionTuple.
  • 🛠 Bugfixes for TTNetwork dyadic_product.

• v2.1.0 Changes

  March 11, 2016

  • ! fix_slate() now works correctly for TTTensors and (correctly) throws an error for TTOperators.
  • 🛠 Several bug fixes in the handling of TTNetworks of degree zero.
  • Implemented the Tensor CQ function, which is now used where appropriate.
  • ➕ Added several unit tests to ensure consitent results for dense/sparse Tensors, TensorNetwork and TTNetworks.
  • 🛠 Several Bugfixes in xerus::misc and a bugfix in TT:dyadic_product.

• v2.0.0 Changes

  March 11, 2016

  • 🔀 ! Merged FullTensor and SparseTensor into a single Tensor class.
  • Implemented several FullTensor functions also for sparse representations (modify(_diag)_elements, fix_slate, resize_dimension,...)
  • ! IndexedTensor*s now considered internal.
  • 🚚 ! Removed all support for stored IndexedTensor*s.
  • ! Reworked the IndexedTensor* index assignment.
  • ! Changed resize_dimension to allow slate insertion at the first position.
  • ➕ Added TTTensor::random with callback function to manipulate the singular values of all matricisations.
  • 👍 Rewrote the ALS algorithm for better readability.
  • ➕ Added fully functional (multi-site) DMRG and alternating steepest descent algorithms.
  • 👌 Support for low level factorisation calls for Tensor class.
  • 📜 Several bug fixes, including SVD factor handling, SparseTensor summation, Tensor resize_dimension, TN evaluation,....
  • ➕ Added several test cases.