Issues

• ereal: fmod, sin of negative arguments, tanh and asinh/atanh return wrong values

  bug
  stillwater-sc/universal#1668 · Filter by author Ravenwater opened on Oct 11, 2026

• qd_cascade: math functions marshalled through double lose 159 of 212 bits

  bug
  stillwater-sc/universal#1667 · Filter by author Ravenwater opened on Oct 11, 2026 · V5
  

• bposit: implement a math library (elementary functions and complex support)

  enhancement
  stillwater-sc/universal#1653 · Filter by author Ravenwater opened on Oct 9, 2026 · V5
  1

  

• Epic: bvalid -- a bounded valid, with bposit tiles of bounded relative width

  enhancementEpic
  stillwater-sc/universal#1632 · Filter by author Ravenwater opened on Oct 4, 2026

• Epic: poxel -- a posit with an uncertainty bit (the valid tile)

  enhancementEpic
  stillwater-sc/universal#1631 · Filter by author Ravenwater opened on Oct 4, 2026
  

• Epic: valid -- Type III unum interval mode (pairs of posit+ubit tiles on the projective circle)

  enhancementEpic
  stillwater-sc/universal#1630 · Filter by author Ravenwater opened on Oct 3, 2026
  

• Epic: symmetric level-index (SLI) arithmetic -- reciprocal-symmetric LI over the shared kernel

  enhancementEpic
  stillwater-sc/universal#1350 · Filter by author Ravenwater opened on Aug 19, 2026 · V5
  

• Epic: level-index (LI) arithmetic -- a closed number system on the generalized exponential

  enhancementEpic
  stillwater-sc/universal#1349 · Filter by author Ravenwater opened on Aug 19, 2026 · V5
  

• add_cascades<4> merge is 7% slower under clang while 27% faster under gcc

  enhancement
  stillwater-sc/universal#1342 · Filter by author Ravenwater opened on Aug 18, 2026 · V5
  

• Epic: layer the number-system headers so a compute kernel does not pay for I/O

  Epicrefactor
  Feature

  stillwater-sc/universal#1334 · Filter by author Ravenwater opened on Aug 17, 2026 · V5
  3

  

• Epic: bposit (bounded posit) -- a taper-bounded posit that always carries fraction bits

  enhancementEpic
  stillwater-sc/universal#1250 · Filter by author Ravenwater opened on Jul 29, 2026 · V5
  

• Packaging strategy: serve both single-system consumers and full-library researchers from one source tree

  enhancementEpic
  Feature

  stillwater-sc/universal#802 · Filter by author Ravenwater opened on May 3, 2026 · V5
  

• Visualization of the ubox of unum Type I

  enhancementgood first issuehelp wanted
  Feature

  stillwater-sc/universal#196 · Filter by author Ravenwater opened on Dec 25, 2020 · V5

• investigate if we can decouple an expression template front-end from an arithmetic back-end

  enhancementhelp wanted
  Feature

  stillwater-sc/universal#180 · Filter by author Ravenwater opened on Dec 12, 2020 · V5

• Support conda install via conda-forge

  enhancementhelp wanted
  Feature

  stillwater-sc/universal#118 · Filter by author allanleal opened on Jan 21, 2020 · V5