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@dhardy dhardy released this 20 Feb 12:15
· 33 commits to master since this release
0.5.0
1f6cafe
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Dependencies and features

  • Bump the MSRV to 1.61.0 (#1207, #1246, #1269, #1341, #1416); note that 1.60.0 may work for dependents when using --ignore-rust-version
  • Update to rand v0.9.0 (#1558)
  • Rename feature serde1 to serde (#1477)

API changes

  • Make distributions comparable with PartialEq (#1218)
  • Dirichlet now uses const generics, which means that its size is required at compile time (#1292)
  • The Dirichlet::new_with_size constructor was removed (#1292)
  • Add WeightedIndexTree (#1372, #1444)
  • Add PertBuilder to allow specification of mean or mode (#1452)
  • Rename Zeta's parameter a to s (#1466)
  • Mark WeightError, PoissonError, BinomialError as #[non_exhaustive] (#1480)
  • Remove support for usage of isize as a WeightedAliasIndex weight (#1487)
  • Change parameter type of Zipf::new: n is now floating-point (#1518)

API changes: renames

  • Move Slice -> slice::Choose, EmptySlice -> slice::Empty (#1548)
  • Rename trait DistString -> SampleString (#1548)
  • Rename DistIter -> Iter, DistMap -> Map (#1548)
  • Move {Weight, WeightError, WeightedIndex} -> weighted::{Weight, Error, WeightedIndex} (#1548)
  • Move weighted_alias::{AliasableWeight, WeightedAliasIndex} -> weighted::{..} (#1548)
  • Move weighted_tree::WeightedTreeIndex -> weighted::WeightedTreeIndex (#1548)

Testing

  • Add Kolmogorov Smirnov tests for distributions (#1494, #1504, #1525, #1530)

Fixes

  • Fix Knuth's method so Poisson doesn't return -1.0 for small lambda (#1284)
  • Fix Poisson distribution instantiation so it return an error if lambda is infinite (#1291)
  • Fix Dirichlet sample for small alpha values to avoid NaN samples (#1209)
  • Fix infinite loop in Binomial distribution (#1325)
  • Fix Pert distribution where mode is close to (min + max) / 2 (#1452)
  • Fix panic in Binomial (#1484)
  • Limit the maximal acceptable lambda for Poisson to solve (#1312) (#1498)
  • Fix bug in Hypergeometric, this is a Value-breaking change (#1510)

Other changes

  • Remove unused fields from Gamma, NormalInverseGaussian and Zipf distributions (#1184)
    This breaks serialization compatibility with older versions.
  • Add plots for rand_distr distributions to documentation (#1434)
  • Move some of the computations in Binomial from sample to new (#1484)
  • Reimplement Poisson's rejection method to improve performance and correct sampling inaccuracies for large lambda values, this is a Value-breaking change (#1560)
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