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fastMatMR 1.2.8 (2026-03-02)

Bug Fixes

• Fix clang [[nodiscard]] warning in vendored fast_matrix_market read_body_threads.hpp (CRAN r-devel Fedora clang check failure)

fastMatMR 1.2.7 (2026-03-01)

Features

• Transparent gzip support for all read/write functions via .mtx.gz file extension (#28)
• Add fmm_to_spam() and spam_to_fmm() for reading/writing spam sparse matrices (#2)
• Add fmm_to_SparseM() and SparseM_to_fmm() for reading/writing SparseM matrix.csr objects (#1)
• write_fmm() dispatcher now handles spam and matrix.csr inputs
• ASV benchmark infrastructure with CI integration

Bug Fixes

• Require cpp11 >= 0.5.0 to resolve non-API usage of SETLENGTH, SET_GROWABLE_BIT, and SET_TRUELENGTH (cause of CRAN archival)
• Update vendored fast_matrix_market C++ library from 1.7.4 to 1.7.6 (adds cstdint include fix, removes unused charconv include)
• Move vendored fast_matrix_market headers from inst/include/ to src/ to reduce installed package size (headers not needed at runtime)

fastMatMR 1.2.5 (2023-11-03)

Changes

• Fix a UBSAN error from Matrix in a vignette
  • Caught by CRAN
• Update the CONTRIBUTING.md with the release process

fastMatMR 1.2.4 (2023-11-02)

• Same as previous version.

fastMatMR 1.2.3 (2023-11-01)

Changes

• Reworked getting started vignette to use temporary files

fastMatMR 1.2.2 (2023-11-01)

Changes

• Revised the package DESCRIPTION to adhere to CRAN guidelines.
• Updated examples for several functions to be self-contained and CRAN compliant.
• Enabled examples within the documentation
• Added documentation for releases

fastMatMR 1.2.1 (2023-11-01)

Changes

• Fixed dead URLs in README
• First CRAN compatible release attempt.

fastMatMR 1.1.0 (2023-10-24)

Features

• Handle paths with ~ (#24)
• Integrated support to handle integers in input files. (#25)
• Added support for handling .mtx.gz file formats. (#28)
• Updated fast_matrix_market to 1.7.4

Bug Fixes

• Improved error messages distinguishing between sparse and non-sparse matrices. (#26)
• Enhanced error messages for sparse_to_fmm function. (#27)

Breaking changes

• Streamlined function naming for better clarity. (#29)

User facing functionality is not affected, write_fmm still works.

Improved Documentation

• Streamlined the vignettes and readme.

fastMatMR 0.0.1.0 (2023-09-02)

Features

• Support reading R numeric vectors (is.vector())
• Support reading of R is.matrix() numerical matrices
• Support reading sparse matrices from Matrix.

fastMatMR 0.0.0.9000 (2023-08-31)

Improved Documentation

• Added a performance benchmark for write and a basic introduction to the package.

Features

• A full multi-OS set of tests conforming to CRAN submission requirements and ROpenSci is present. (#12)
• Support writing R numeric vectors (is.vector())
• Support writing of R is.matrix() numerical matrices
• Support writing sparse matrices from Matrix.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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