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Add Gauss-Chebyshev (second kind) quadrature rule factory

Status: Open.

#466 In Hipparchus-Math/hipparchus;

· mgrutten opened on Jun 1, 2026

DfpMath.splitPow / pow(Dfp,int): int overflow makes exponents ≥ 2^30 loop forever (exp/sinh/cosh/tanh of a large argument hangs)

Status: Open.

#465 In Hipparchus-Math/hipparchus;

· AviranAbady opened on May 20, 2026

Implement Information filter

feature

filtering

Status: Open.

#463 In Hipparchus-Math/hipparchus;

· BryanCazabonne opened on May 17, 2026

ComplexFormat.parse exhibits inconsistent behavior due to implicit comma skipping by NumberFormat

Status: Open.

#459 In Hipparchus-Math/hipparchus;

· yin-mao opened on Apr 24, 2026

FDistribution.inverseCumulativeProbability returns incorrect quantile (orders of magnitude error) for small degrees of freedom

Status: Open.

#458 In Hipparchus-Math/hipparchus;

· yin-mao opened on Apr 24, 2026

Test failures during building with Java 25: FastMathTest.checkMissingFastMathClasses:1542 FastMath should implement all StrictMath methods ==> expected: <true> but was: <false>

Status: Open.

#457 In Hipparchus-Math/hipparchus;

· Hanbing59 opened on Apr 8, 2026

Fixed wrong class naming of IndexedEigenValue

Status: Open.

#452 In Hipparchus-Math/hipparchus;

· Serrof opened on Feb 12, 2026

·  

5.0

Missing update of changes.xml for hipparchus-aggregator

Status: Open.

#451 In Hipparchus-Math/hipparchus;

· BryanCazabonne opened on Feb 8, 2026

Define constructor ComplexEigenDecomposition(FieldMatrix<Complex> matrix)

Status: Open.

#442 In Hipparchus-Math/hipparchus;

· axkr opened on Dec 31, 2025

Poor performance of DSCompiler and rebaser initialization

fieldAnything related to interface CalculusFieldAnything related to interface CalculusField

performance

Status: Open.

#423 In Hipparchus-Math/hipparchus;

· afvym opened on Oct 8, 2025

Strategies for a matrix containing values very close to zero, when passing it to EigenDecompositionSymmetric()?

Status: Open.

#365 In Hipparchus-Math/hipparchus;

· mjw99 opened on Dec 27, 2024

Hermite interpolation at sample point gives slightly different results

Status: Open.

#358 In Hipparchus-Math/hipparchus;

· VincentCucchietti opened on Nov 29, 2024