v1.4.1

SpecialFunctions v1.4.1

Diff since v1.4.0

Merged pull requests:

• Add ChainRules definitions for gamma(a, x), loggamma(a, x), and gamma_inc (#305) (@devmotion)
• Use ChainRulesCore.@not_implemented and extend tests (#308) (@devmotion)
• Some fixes and simplications to the beta function(s). (#316) (@andreasnoack)

v1.4.0

SpecialFunctions v1.4.0

Diff since v1.3.0

Closed issues:

• Incomplete Gamma Function (#115)
• Migrate to travis-ci.com (#243)
• gamma(a, x) returns incorrect values for a <= ~1/2 (#303)
• Julia 1.6 in Windows 10 installs old version (#306)
• Gamma function overflows on Windows, but not on WSL2/Ubuntu (#309)
• endless loop in gamma_inc? (#311)

Merged pull requests:

• Remove out-of-date notes in documentation (#302) (@giordano)
• Fix evaluation of continued fraction for En_gamma (#312) (@andreasnoack)
• Use LogExpFunctions (#313) (@devmotion)
• Fix gamma_inc for larga a and small x (and very large x) (#314) (@andreasnoack)
• Some fixes for gamma_inc_inv (#315) (@andreasnoack)

v1.3.0

SpecialFunctions v1.3.0

Diff since v1.2.1

Closed issues:

• Documentation missing for latest tags (#286)
• Derivatives of Bessel functions with respect to the order (#292)
• renaming factorial (#296)
• maclaurin series using recursion (#298)
• won't compile on OS X 10.15.7 (but is fine on linux) (#301)

Merged pull requests:

• WIP: add loggamma(a,z) (#283) (@stevengj)
• Add SSH key to TagBot (#287) (@giordano)
• temporary workaround for chainrules test problem (#289) (@stevengj)
• renenable ChainRules tests now that ChainRulesTestUtils is fixed (#290) (@oxinabox)
• update to new ChainRulesTestUtils (#294) (@oxinabox)
• add CompatHelper (#299) (@ranocha)
• use new ChainRulesTestUtils (#300) (@oxinabox)

v1.2.1

SpecialFunctions v1.2.1

Diff since v1.2.0

Closed issues:

• bug in expintx for complex arguments (#284)

Merged pull requests:

• bug fixes in expintx (#285) (@stevengj)

v1.2.0

SpecialFunctions v1.2.0

Diff since v1.1.0

Closed issues:

• expintx function — exponentially scaled expint (#249)
• cancellation error in expint for near-integer order and small |z| (#276)
• erfcinv does not support BigFloat (#277)

Merged pull requests:

• Add differentiation rules from ChainRules (#238) (@devmotion)
• Add exponentially scaled exponential integral (expintx) (#270) (@augustt198)
• upper incomplete gamma function Γ(a,z) (#271) (@stevengj)
• bigfloat erfinv and erfcinv (#278) (@stevengj)
• fix spurious domainerror for expint(3.2, 1.3) (#280) (@stevengj)
• expint: series around gamma poles (#281) (@augustt198)

v1.1.0

SpecialFunctions v1.1.0

Diff since v1.0.0

Closed issues:

• Add jinc function (#264)
• expint: spurious domainerror for negative order (#272)
• wrong answer for expint(2.2,3.2) (#274)

Merged pull requests:

• Adding jinc function (#266) (@roflmaostc)
• fix spurious expint domain errors (#273) (@stevengj)
• expint: add another condition for gamma CF use (#275) (@augustt198)

v1.0.0

SpecialFunctions v1.0.0

Diff since v0.10.3

Closed issues:

• exponential integral (Ei, E₁, Eₙ...) function (#19)
• function naming style guide (#217)
• MethodError: no method matching loggammadiv(::Int64, ::Int64) for beta with a >> b (#239)
• optimized expint(x::BigFloat) (#245)
• expint type instabilty for negative order (#246)
• Expint hangs for complex NaN values (#247)
• expint test failure on Julia nightly (#250)
• expint requires Julia 1.4 for evalpoly (#251)
• expint(n,x) is incorrect for negative integers n (#259)
• more expint bugs (#263)
• including Jacobi polynomials and Wigner functions (#267)

Merged pull requests:

• Exponential integral function (#236) (@augustt198)
• missing promotion methods for loggammadiv (#240) (@stevengj)
• expint: Type stability, NaNs (#248) (@augustt198)
• Multiple changes to CI (#252) (@giordano)
• replace evalpoly with at-evalpoly (#253) (@stevengj)
• fix test deprecation warning (#254) (@stevengj)
• precompute the test inputs (#255) (@stevengj)
• add expinti function (#257) (@stevengj)
• use mpfr_eint for expint/expinti of BigFloat (#258) (@stevengj)
• fix expint for negative order (#260) (@stevengj)
• Fix reference to expinti in functions overview (#261) (@giordano)
• more expint fixes (#262) (@stevengj)
• expint: fixes for #263 (#268) (@augustt198)

v0.10.3

SpecialFunctions v0.10.3

Diff since v0.10.2

Merged pull requests:

• add logerf(a, b) (#229) (@cossio)

v0.10.2

SpecialFunctions v0.10.2

Diff since v0.10.1

Merged pull requests:

• docs for erf(x,y) (#224) (@cossio)
• Stop allowing failures on Julia nightly (#225) (@ararslan)
• Update the README (#226) (@ararslan)
• fix erf(x,y) for small arguments (#227) (@cossio)

v0.10.1

SpecialFunctions v0.10.1

Diff since v0.10.0

Closed issues:

• Connection timeout on v0.7 (#86)
• Is this a home for special function implementations in Julia? (#112)
• build no longer works on OS X (#123)
• wrong package name in rebuild message (#130)
• problems building on Win (#155)
• Error: Error building SpecialFunctions (#173)
• SpecialFunctions with Multiple Versions of Julia (#174)
• 0.8 update and loggamma (#182)
• FAiling to build on Windows (#189)
• SpecialFunctions 0.8.0 Build freezes on Julia 1.2 (#190)
• v0.9.0: no libgfortran.so.5, then no libopenspecfun.so (#192)
• Incomplete gamma error (#204)
• 🚧 Is this repo maintained? (#215)
• erf(x,y) (#222)

Merged pull requests:

• Added spherical bessel functions (#196) (@MasonProtter)
• update docstrings (#201) (@AshtonSBradley)
• Hyperlink DOIs to preferred resolver (#205) (@katrinleinweber)
• Install TagBot as a GitHub Action (#207) (@JuliaTagBot)
• Correct a documentation error. (#209) (@dmbates)
• fix gamma_inc max precision case (#210) (@birm)
• split tests into components (#211) (@birm)
• Minor patch for sphericalbessely (#214) (@musm)
• Move Windows and FreeBSD CI to Travis (#219) (@ararslan)
• add erf(x,y) (#223) (@cossio)