peroxide - v0.40.0

Release 0.40.0 (2025-07-24)

Move from arrow2 to arrow & parquet

• Remove arrow2 dependency
• Add arrow and parquet dependencies
• Update WithParquet implementation
• On user side, there are almost no changes in DataFrame API, but there is one change for fuga user:
  • CompressionOptions -> UNCOMPRESSED, SNAPPY, GZIP(level), LZ4, ZSTD(level), BROTLI(level), LZO, LZ4_RAW
  • For prelude user, there are completely no changes. Default compression is SNAPPY.

Release 0.39.11 (2025-07-22)

• Implement derivative and integral of B-Spline

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.11...v0.40.0

- Rust
Published by Axect 10 months ago

peroxide - v0.39.10

Release 0.39.10 (2025-07-11)

• Fixed a bug in the adaptive step size control for all embedded Runge-Kutta methods.
• Corrected the BU coefficient vector for the 7th order solution in the RKF78 implementation.

Release 0.39.9 (2025-07-10)

• Change implementation of Gauss-Legendre 4th order method

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.8...v0.39.10

- Rust
Published by Axect 11 months ago

peroxide - v0.39.8

Release 0.39.8 (2025-06-23)

• Implement LogNormal distribution
  • LogNormal(mu: f64, sigma: f64)
• Fix sampling method for Gamma

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.7...v0.39.8

- Rust
Published by Axect 11 months ago

peroxide - v0.39.7

Release 0.39.7 (2025-05-27)

• Add some methods for DataFrame
  • filter_by<F: Fn(Scalar) -> bool>(&self, column: &str, f: F) -> anyhow::Result<DataFrame> : Filter rows by a condition on a specific column
  • mask(&self, mask: &Series) -> anyhow::Result<DataFrame> : Filter rows by a boolean mask
  • select_rows(&self, indices: &[usize]) -> DataFrame : Select specific rows by indices

Release 0.39.6 (2025-05-16)

• New ODESolver: RKF78
  • Implement RKF78 method for ODESolver

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.5...v0.39.7

- Rust
Published by Axect about 1 year ago

peroxide - v0.39.5

Release 0.39.5 (2025-04-21)

• New feature rkyv
  • Implement rkyv::{Archive, Serialize, Deserialize} for Matrix, Polynomial, Spline, ODE

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.4...v0.39.5

- Rust
Published by Axect about 1 year ago

peroxide - v0.39.4

Release 0.39.4 (2025-04-11)

Optimize integrate

• Replace the output signature of gauss_legendre_table and kronrod_table to &'static [f64] to avoid unnecessary allocations.
• Hard code symmetry of weights and nodes into source code to avoid unnecessary allocations.
• New helper function - compute_gauss_kronrod_sum_stored
  • Reduce the number of function calls (G+K -> K)
• Change update method of subinterval tolerance (divide by 2 -> divide by sqrt(2))
• These changes improve the performance of integrate by 1.2x - 50x (to integrate highly oscillatory functions)

Update dependencies

• Update rand to 0.9
• Update rand_distr to 0.5

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.3...v0.39.4

- Rust
Published by Axect about 1 year ago

peroxide - v0.39.3

Release 0.39.3 (2025-03-13)

• Update puruspe to 0.4.0

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.2...v0.39.3

- Rust
Published by Axect about 1 year ago

peroxide - v0.39.2

Release 0.39.2 (2025-02-06)

• Implement Broyden method for GL4

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.1...v0.39.2

- Rust
Published by Axect over 1 year ago

peroxide - v0.39.1

Release 0.39.1 (2025-02-06)

• Add lambert_w doc for crate docs #82 (Thanks to @JSorngard)

• Add default signature for linspace! #85 (Thanks to @tarolling)

• Fix a bug in ButcherTableau::step

• Add another example for ODE (examples/ode_test_orbit.rs)

What's Changed

• Add Lambert W function to list of special functions in crate docs by @JSorngard in https://github.com/Axect/Peroxide/pull/82
• ADD: add default signature for linspace macro by @tarolling in https://github.com/Axect/Peroxide/pull/85

New Contributors

• @tarolling made their first contribution in https://github.com/Axect/Peroxide/pull/85

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.39.0...v0.39.1

- Rust
Published by Axect over 1 year ago

peroxide - v0.39.0

What's Changed

• Update lambert_w crate to version 0.4.0 by @JSorngard in https://github.com/Axect/Peroxide/pull/66
• [feature] Support complex matrix by @soumyasen1809 in https://github.com/Axect/Peroxide/pull/71
• [feature] Support complex matrix [2] by @soumyasen1809 in https://github.com/Axect/Peroxide/pull/73
• IMPL: generic and complex integration by @GComitini in https://github.com/Axect/Peroxide/pull/70
• DOC: Document generic integration by @GComitini in https://github.com/Axect/Peroxide/pull/76
• Rand matrix refactor by @bertini97 in https://github.com/Axect/Peroxide/pull/75
• Make sure mean and variance computations are numerically stable by @Hoff97 in https://github.com/Axect/Peroxide/pull/77
• [Proof of Concept] Initial support for parallelization using Rayon by @soumyasen1809 in https://github.com/Axect/Peroxide/pull/74
• Update puruspe dependency, remove lambert_w dependency by @JSorngard in https://github.com/Axect/Peroxide/pull/79
• Hermite and Bessel polynomials added by @jgrage in https://github.com/Axect/Peroxide/pull/80

New Contributors

• @soumyasen1809 made their first contribution in https://github.com/Axect/Peroxide/pull/71
• @bertini97 made their first contribution in https://github.com/Axect/Peroxide/pull/75
• @Hoff97 made their first contribution in https://github.com/Axect/Peroxide/pull/77
• @jgrage made their first contribution in https://github.com/Axect/Peroxide/pull/80

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.9...v0.39.0

- Rust
Published by Axect over 1 year ago

peroxide - v0.37.9

Release 0.37.9 (2024-07-31)

• Fix inconsistent lambert w function name #65 (Thanks to @JSorngard)
• Write doc string for special/mod.rs (Link for doc: peroxide/special)

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.8...v0.37.9

- Rust
Published by Axect almost 2 years ago

peroxide - v0.37.8

Release 0.37.8 (2024-07-30)

• Integrate with lambert_w crate (#63) (Thanks to @JSorngard)

  • Write flexible wrapper for lambert_w ```rust pub enum LambertWAccuracyMode { Simple, // Faster, 24 bits of accuracy Precise, // Slower, 50 bits of accuracy }

  pub fn lambertw0(z: f64, mode: LambertWAccuracyMode) -> f64; pub fn lambertwm1(z: f64, mode: LambertWAccuracyMode) -> f64; - Write default Lambert W function for `prelude` (Precise as default) rust use peroxide::prelude::*;

  fn main() { lambertw0(1.0).print(); // Same as fuga::lambertw0(1.0, LambertWAccuracyMode::Simple) } ```

What's Changed

• Implement the Lambert W function as a wrapper around the lambert_w crate. by @JSorngard in https://github.com/Axect/Peroxide/pull/63

New Contributors

• @JSorngard made their first contribution in https://github.com/Axect/Peroxide/pull/63

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.7...v0.37.8

- Rust
Published by Axect almost 2 years ago

peroxide - v0.37.6

Release 0.37.6 (2024-06-19)

Huge Spline Change

• Generic Spline trait
  • Spline<T>: desired output type is T
• Split PolynomialSpline from Spline
  • CubicSpline & CubicHermiteSpline are now PolynomialSpline
  • Implement Spline<f64> for PolynomialSpline
• Implement B-Spline
  • BSpline { degree: usize, knots: Vec<f64>, control_points: Vec<Vec<f64>> }
  • BSpline::open(degree, knots, control_points) : Open B-Spline
  • BSpline::clamped(degree, knots, control_points) : Clamped B-Spline
• Implement Spline<(f64, f64)> for BSpline

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.5...v0.37.6

- Rust
Published by Axect almost 2 years ago

peroxide - v0.37.5

Release 0.37.5

• More generic & stable root finding macros

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.4...v0.37.5

- Rust
Published by Axect almost 2 years ago

peroxide - v0.37.4

Release 0.37.4 (2024-05-17)

• Public ODE Integrator fields

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.3...v0.37.4

- Rust
Published by Axect about 2 years ago

peroxide - v0.37.3

Release 0.37.3 (2024-05-01)

• Add Nan/infinite guard to gauss_kronrod_quadrature (early exit) (#59) (Thanks to @GComitini)
• Add complex feature & complex module (#35)
• Implement Cubic B-Spline basis functions
  • UnitCubicBasis
  • CubicBSplineBases

What's Changed

• Add Nan/infinite guard to gausskronrodquadrature (early exit) by @GComitini in https://github.com/Axect/Peroxide/pull/59

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.2...v0.37.3

- Rust
Published by Axect about 2 years ago

peroxide - v0.37.2

Release 0.37.2 (2024-04-16)

• Do not include legend box if there is no legend (#58) (Thanks to @GComitini)
• Add rtol field to BroydenMethod
• Implement high-level macros for root finding
  • bisection!(f, (a,b), max_iter, tol)
  • newton!(f, x0, max_iter, tol) (require #[ad_function] attribute)
  • secant!(f, (a,b), max_iter, tol)
  • false_position!(f, (a,b), max_iter, tol)

New Contributors

• @GComitini made their first contribution in #58

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.1...v0.37.2

- Rust
Published by Axect about 2 years ago

peroxide - v0.37.1

Release 0.37.1 (2024-04-15)

• Implement BrodenMethod: Broyden's method (I>=1, O>=1, T=([f64; I], [f64; I]))
• Restore citation file

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.37.0...v0.37.1

- Rust
Published by Axect about 2 years ago

peroxide - v0.37.0

Release 0.37.0 (2024-04-14)

Huge Update - Whole new Root finding & anyhow

Whole new Root finding

• Remove all boilerplates
• Now, RootFinding is composed of traits
  • RootFindingProblem<const I: usize, const O: usize, T>: Trait for defining and root finding problem
  • I: Input dimension
  • O: Output dimension
  • T: Type of state
  • RootFinder: Trait for finding root
  • BisectionMethod: Bisection Method (I=1, O=1, T=(f64, f64))
  • FalsePositionMethod: False Position Method (I=1, O=1, T=(f64, f64))
  • NewtonMethod: Newton Method (I=1, O=1, T=f64)
  • SecantMethod: Secant Method (I=1, O=1, T=(f64, f64))

Error handling with anyhow

• Remove thiserror dependency
• Add anyhow for error handling
• Change error handling in ODE, Spline, WeightedUniform

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.36.4...v0.37.0

- Rust
Published by Axect about 2 years ago

peroxide - v0.36.4

Release 0.36.4 (2024-04-11)

• More generic Butcher tableau
  • Now, you can use ButcherTableau for non-embedded methods too
• More ODE integrators
  • RALS3, RALS4, RK5, BS23

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.36.2...v0.36.4

- Rust
Published by Axect about 2 years ago

peroxide - v0.36.2

Release 0.36.2 (2024-04-10)

• Now, you can report current states if your constraints are violated.
  • ODEError::ConstraintViolation -> ODEError::ConstraintViolation(f64, Vec<f64>, Vec<f64>)
  • for detailed information, see docs for ODEError
• Add docs for ODEError

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.36.1...v0.36.2

- Rust
Published by Axect about 2 years ago

peroxide - v0.36.1

Release 0.36.1 (2024-04-09)

• Fix all warnings in peroxide
• Change redundant method
  • Vec<f64>::resize -> Vec<f64>::reshape
• Error handling for concatenation
  • cbind & rbind now returns Result<Matrix, ConcatenateError>
• New non-macro utils
  • column_stack(&[Vec<f64>]) -> Result<Matrix, ConcatenateError>
  • row_stack(&[Vec<f64>]) -> Result<Matrix, ConcatenateError>
  • rand_with_rng(usize, usize, &mut Rng) -> Matrix
• Generic Butcher tableau trait (now for embedded Runge-Kutta methods)

```rust pub trait ButcherTableau { const C: &'static [f64]; const A: &'static [&'static [f64]]; const BH: &'static [f64]; const BL: &'static [f64];

  fn tol(&self) -> f64;
  fn safety_factor(&self) -> f64;
  fn max_step_size(&self) -> f64;
  fn min_step_size(&self) -> f64;
  fn max_step_iter(&self) -> usize;

} ```

• Implement ODEIntegrator for ButcherTableau

  • Just declare ButcherTableau then step is free

• Three available embedded Runge-Kutta methods

  • RKF45: Runge-Kutta-Fehlberg 4/5th order
  • DP45: Dormand-Prince 4/5th order
  • TSIT45: Tsitouras 4/5th order

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.36.0...v0.36.1

- Rust
Published by Axect about 2 years ago

peroxide - v0.36.0

Release 0.36.0 (2024-04-08)

Huge Update - Error handling & Whole new ODE

Error handling

• Add thiserror for error handling
• Implement errors for cubic spline & cubic hermite spline.
• Implement errors for weighted uniform distribution & PRS.

Seedable sampling

• Now, all distribution has sample_with_rng method.
• There are two wrappers for SeedableRng
  • smallrng_from_seed : Performant but not secure
  • stdrng_from_seed : Performant enough and secure enough

Whole new ODE

• Remove all boilerplates.
• Now, ODE is composed of traits.
  • ODEProblem: Trait for defining and ODE problem.
  • ODEIntegrator: Trait for integrating ODE.
  • RK4: Runge-Kutta 4th order
  • RKF45: Runge-Kutta-Fehlberg 4/5th order
  • GL4: Gauss-Legendre 4th order
  • You can implement your own integrator.
  • ODESolver: Trait for solving ODE.
  • BasicODESolver: Basic ODE solver - define range of t, initial step size and integrate it.
  • You can implement your own solver.
• For more information, see docs for ode.

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.35.1...v0.36.0

- Rust
Published by Axect about 2 years ago

peroxide - v0.35.1

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.34.7...v0.35.1

Releases info

- Rust
Published by Axect about 2 years ago

peroxide - v0.34.7

More updates for plot feature

• Make legend optional (Now, no legend is available)
• Implement set_line_style. Here are available line styles.
  • LineStyle::Solid
  • LineStyle::Dashed
  • LineStyle::Dotted
  • LineStyle::DashDot
• Implement set_color
• Implement set_alpha
• More markers.

Getter for ODE

• Add explicit getter for ExplicitODE and ImplicitODE for various fields.

Full Changelog: https://github.com/Axect/Peroxide/compare/v0.34.6...v0.34.7

- Rust
Published by Axect about 2 years ago