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CHANGELOG.md

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Changelog

All notable changes to light-curve-feature will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

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Changed

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Deprecated

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Removed

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Fixed

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Security

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[0.8.1] 2025 January 7

Changed

  • Bump ceres-solver to 0.4.0 to solve build issues on macOS

[0.8.0] 2024 December 3

Added

  • Expose nl_fit::CurveFitResult

Changed

  • Breaking Update ndarray from 0.15 to 0.16 #175

[0.7.1] 2024 April 25

Added

  • Roms: Robust median statistic feature, thanks @GaluTi for their first contribution! #103 #160

[0.7.0] 2024 February 26

Changed

  • Build breaking: bump ceres-solver to 0.3.0, which requires C++ version of ceres-solver v2.2.0 for ceres-system Cargo feature

[0.6.0] 2023 September 19

Changed

  • Build breaking Minimum supported Rust version (MSRV) 1.57 -> 1.67 (released 2023-01-26) #125 #130
  • New LinexpFitfeature for parametric model fit. Thanks @erusseil for his first contribution. #122
  • Feature's doc() static method is const now #110
  • Bump itertools from ^0.10 to ^0.11 #131
  • Bump fftw from ^0.7 to ^0.8 #130

[0.5.5] 2023 March 30

Added

  • Feature transformations and Transformed feature. New Transformer enum and structs implementing new TransformerTrait are added to represent various useful transformations of features. Transformed feature is a wrapper around a feature and a transformer. It implements FeatureEvaluator trait and applies the transformer to the feature value. #107 #108

Fixed

  • Bins::min_ts_length() always returned 1. For this feature this value is always a lower limit, because binning could reduce number of observations to 1. However, now Bins updates this value according to underlying features to give a more reasonable lower limit. #109

[0.5.4] 2023 March 15

Added

  • CeresCurveFit and optional ceres-source and ceres-system Cargo features to use Ceres Solver for curve fitting #92 #98 #100

[0.5.3] 2023 February 16

Added

  • Re-export of ndarray

Changed

  • Use enum_dispatch 0.3.9 (updated from 0.3.7) crate to implement LnPriorTrait for LnPrior #6

Fixed

  • Overflows in DataSample, MedianBufferRangePercentage, BeyondNStd, FreqGrid and OtsuSplit #95 #96
  • thread_local<1.1.7 because it requires Rust toolchain 1.59

[0.5.2] 2022 November 10

Fixed

  • Fixed OtsuSplit threshold implementation #72

[0.5.1] 2022 November 1

Added

  • OtsuSplit feature evaluator #58

[0.5.0] 2022 June 14

Changed

  • Breaking MSRV 1.56 -> 1.57

[0.4.6] 2022 June 14

Fixed

  • Remove profile section from Cargo.toml because it is not supported by our MSRV 1.56

[0.4.5] 2022 June 10

Added

  • CI: build on Windows w/o GSL

Fixed

  • Fix NaN panic in MCMC #51
  • Make it possible to run tests, benchmarks and examples without gsl feature

[0.4.4] 2022 June 3

Fixed

  • Overflow in {Bazin,Villar}Fit #48

[0.4.3] 2022 May 12

Added

  • NyquistFreq constructor static methods

Fixed

  • Make FixedNyquistFreq public

[0.4.2] 2022 May 12

Added

  • Cargo.toml keywords and categories
  • Add Fixed(FixedNyquistFreq) variant of NyquistFreq which defines a fixed Nyquist frequency to use for pariodogram

Changed

Removed

  • Unused dyn-clonable dependency

[0.4.1] 2021 Dec 15

Changed

  • BazinLnPrior, BazinInitsBounds, VillarLnPrior, VillarINitisBounds are public now

Fixed

  • Fixed amplitude prior of VillarLnPrior::Hosseinzadeh2020
  • The example plotted wrong graphs for the Villar function

[0.4.0] 2021 Dec 10

Added

  • prelude module to allow a user importing all traits
  • McmcCurveFit uses new LnPrior objects which holds natural logarithm of priors for parameters. BazinFit and VillarFit requires this object to be specified
  • VillarFit could use VillarLnPrior::Hosseinzadeh2020 adopted from Hosseinzadeh et al 2020 paper (aka Superphot paper)
  • FeatureExtractor::from_features() as a specified version of new() required less if not none type annotations

Changed

  • Rust edition 2021
  • Minimum Rust version is 1.56
  • FeatureEvaluator trait is split into three: FeatureEvaluator, EvaluatorInfoTrait and FeatureNamesDescriptionsTrait
  • BazinFit and VillarFit are reimplemented using new traits, which all are included into prelude
  • VillarFit now uses a different parameter set to fix issue with non-physical negative flux fits, relative plateau amplitude nu replaces plateau slope beta. It is a breaking change
  • BazinFit and VillarFit name and description for t_0 parameter are changed replacing "peak" to "reference", because this time moment does not correspond to the light-curve peak
  • BazinFit and VillarFit have two new fields (and require two new argments in there new constructors): ln_prior and inits_bounds. The last one supports custom initial guess and boundaries for the optimization problem
  • MCMC uses more diverse initial guesses which take into account boundary conditions

Removed

  • features::antifeatures submodule is removed and all its features moved to the parent features submodule

Fixed

  • Update clap to 3.0.0-rc.0, it is used for the example executable only
  • EtaE and MaximumSlope docs updated to highlight cadence dependency of these features

[0.3.3] 2021 Oct 14

Fixed

  • Equation in VillarFit was different from the paper
  • VillarFit's and BazinFit's amplitude, tau_rise, tau_fall and plateau duration (for VillarFit) are insured to be positive

[0.3.2] 2021 Aug 30

Changed

  • Rust-specific docs for BazinFit and VillarFit are moved from struct docs to ::new() docs

Fixed

  • Equation rendering in VillarFit HTML docs

[0.3.1] 2021 Aug 16

Changed

  • periodogram module and _PeriodogramPeaks are hidden from the docs
  • Update katex for http://docs.rs to 0.13.13

Fixed

  • Docs for Extractor, FeatureEvaluator, AndersonDarlingNormal, Bins, Cusum, EtaE, InterPercentileRange, LinearFit, LinearTrend, Median, PercentAmplitude, Periodogram, ReducedChi2, VillarFit and BazinFit

[0.3.0] 2021 Aug 10

Added

  • This CHANGELOG.md file
  • Feature enum containing all available features, it implements FeatureEvaluator
  • (De)serialization with serde is implemented for all features
  • JSON schema generation with schemars is implemented for all features
  • TimeSeries and DataSample use ndarray::CowArray to hold data, their constructors accept ArrayBase objects
  • Static method ::doc() for every feature, it returns language-agnostic feature evaluator description
  • examples directory with an example which fits and plots some SN Ia light curves
  • "private" sub-crate light-curve-feature-test-util with common tools for tests, benchmarks and examples

Changed

  • FeatureExtractor, Bins and Periodogram accepts Feature enum objects instead of Box<FeatureEvaluator>
  • Periodogram-related NyquistFreq and PeriodogramPower are changed from traits to enums
  • TimeSeries::new accepts non-optional weights, use TimeSeries::new_without_weight to initialize time series with unity weight array
  • BazinFit is parameterized by a curve-fit algorithm, MCMC and GSL's LMSDER are available, but the last one requires non-default gsl Cargo feature. MCMC becomes the default algorithm, some wide boundary conditions are included
  • Rename BazinFit::get_names()[1] from "bazin_fit_offset" to "bazin_fit_baseline"
  • Add VillarFit feature for the Villar function arXiv:1905.07422, see BazinFit above for technical details
  • LinearTrend requires at least three observations and returns three values: slope, its error and standard deviation of noise (new)
  • Publicly exported stuff

[0.2.x]

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[0.1.x]

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