C/igraph 0.8.4

Announcements
1

C/igraph 0.8.4 is now released. As usual, the source code can be obtained from the GitHub releases page.

The summary of changes is below.

Fixed

  • igraph_i_cattribute_combine_vertices(): fixed invalid cleanup code that eventually filled up the “finally” stack when combining vertices with attributes extensively.
  • igraph_hrg_sample(): fixed incorrect function prototype
  • igraph_is_posinf() and igraph_is_neginf(): fixed incorrect result on platforms where the sign of the result of isinf() is not indicative of the sign of the input.
  • Fixed building with vendored LAPACK and external BLAS
  • Fixed building with XCode 12.2 on macOS

Other

  • Documentation improvements
  • General code cleanup to reduce the number of compiler warnings
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