NEWS.md

In ripserr: Calculate Persistent Homology with Ripser-Based Engines

ripserr 1.0.0

This major version replaces an outdated version of the Ripser C++ library with its current version.

ripserr 0.4.0

This minor edition includes the blackhole data set along with its accompanying documentation and R script.

ripserr 0.3.0

This minor version subsumes several contributions over 4+ years, including invisibly returning persistence data on print(), an additional vignette, and debugging & correcting of documentation.

ripserr 0.2.0

Changes

• vietoris_rips and cubical are now S3 generics
• vietoris_rips accepts objects of class data.frame, matrix, numeric, ts, and dist
• cubical accepts objects of class array and matrix (for r-oldrel, in which not all matrix objects are also of class array)
• vietoris_rips and cubical return objects of class PHom and data.frame (instead of either data.frame or matrix previously)

ripserr 0.1.1

Logistics

• Added Code of Conduct (CODE_OF_CONDUCT.md) from Contributor Covenant
• Added Contribution Guide (CONTRIBUTING.md) from ggalluvial
• Removed empty vignette (cubical), will add in next minor update (likely 0.2.x)

Bugs

• Fixed memory leak in Cubical Ripser C++ code
• Fixed citation issue in vignette (vietoris-rips)
• Removed TDAstats from Suggests to avoid circular dependency in the future
• Fixed issue in old R versions where 2-d matrices are not automatically also of type "array" (cubical() checks)

ripserr 0.1.0

• Initial release
• Ports Ripser for Vietoris-Rips complex functionality
• Ports Cubical Ripser for cubical complex functionality

ripserr documentation built on June 28, 2025, 1:07 a.m.