Changes in version 0.3.5.9000 - Replaced deprecated ATTRIB() macro with R_altrep_class_name() and R_altrep_class_package() for R 4.6.0 compatibility. Changes in version 0.3.5 (2025-12-09) - Fixed bug with sparse character vectors that occurred on R devel. (#122) Changes in version 0.3.4 (2025-05-25) Bug Fixes - Fixed bug where sparse_multiplication() had a stack imbalence when returning all 0s. (#113) - Fixed bug where sparse_is_na(type = "integer") would error on character vectors. (#116) Changes in version 0.3.3 (2025-04-14) Bug Fixes - Fixed bug where coerce_to_sparse_matrix() would sometimes error if input had NA values. (#109) Changes in version 0.3.2 (2025-03-21) Bug Fixes - Fixed bug where sparsity() error on numeric vectors with classes. (#106) Changes in version 0.3.1 (2025-03-17) - Fixed bug where sparse multiplication caused undefined behaviour. ($103) Changes in version 0.3.0 (2025-03-10) New Functions - Adding the scalar arithmatic functions sparse_division_scalar(), sparse_multiplication_scalar(), sparse_addition_scalar(), sparse_subtraction_scalar(). (#87) - Adding the arithmatic function sparse_multiplication(). (#93) - Helper function sparse_lag() bas been added. (#99) - Helper function sparse_sqrt() has been added. (#90) - Helper function sparse_replace_na() has been added. (#91) - Helper functions sparse_is_na() and sparse_which_na() have been added. (#92) Improvements - Adding wts argument to sparse_mean(). (#95) Bug Fixes - Fixed bug in coerce_to_sparse_data_frame() and coerce_to_sparse_tibble() where they didn't work with ngCMatrix. (#89) Changes in version 0.2.0 (2025-01-22) New Functions - sparsity() has been added, allows sparsity calculations of data.frames, matrices, and sparse matrices. (#82) - Utility function has_sparse_elements() has been added. (#70) - Helper function sparse_dummy() has beenn added. (#49) - Helper functions sparse_mean(), sparse_var(), sparse_sd(), sparse_median() has been added. (#49) Improvements - All sparse vector types now have a significant smaller base object size. (#67) - All coerce functions have received a call argument. (#72) - is_sparse_vector() has been rewritten for speed improvement. (#76) - coerce_to_sparse_matrix() Now turns dense zeroes into sparse zeroes. (#77) Bug Fixes - Fixed bug where coerce_to_sparse_data_frame() and coerce_to_sparse_tibble() didn't work with matrices with fully sparse columns. (#69) - Fixed bugs where coerce_to_sparse_matrix() would error for completely sparse columns. (#77) Changes in version 0.1.0 (2024-05-31) - Initial CRAN submission.