Tags

## OrdinaryDiffEq v5.46.0

[Diff since v5.45.1](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.45.1...v5.46.0)


**Closed issues:**
- Kubatko, Yeager and Ketcheson SSPRK tracker (#715)
- New 4th and 5th Order KenCarps! (#860)
- Explicit RK method for singularity at the start (#1255)
- Migrate to travis-ci.com (#1284)

**Merged pull requests:**
- Fix naming ambiguity between algorithms of the same author (#1302) (@grimmmyshini)
- Add docs folder (#1303) (@mkg33)
- CompatHelper: bump compat for "StaticArrays" to "1.0" (#1304) (@github-actions[bot])
- MassInstallAction: Install the GitHubActionsCI workflow on this repository (#1305) (@christopher-dG)
- Change initialization of heaps and add interface for DelayDiffEq (#1307) (@devmotion)

## OrdinaryDiffEq v5.45.1

[Diff since v5.45.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.45.0...v5.45.1)


**Closed issues:**
- Progress bar assumes that initial time is zero (#1298)
- ImplicitMidpoint fails with autodiff=false (#1300)

**Merged pull requests:**
- Take initial time into account when calculating progress fraction (#1299) (@eschnett)
- fix ImplicitMidpoint(autodiff=false) (#1301) (@ranocha)

## OrdinaryDiffEq v5.45.0

[Diff since v5.44.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.44.0...v5.45.0)



**Merged pull requests:**
- fix type inference issues (#1296) (@mohamed82008)
- Make composite ode_interpolant type stable (#1297) (@mohamed82008)

## OrdinaryDiffEq v5.44.0

[Diff since v5.43.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.43.0...v5.44.0)



**Merged pull requests:**
- Add source article for RKO65 (#1288) (@Gyoshi)
- add a downstream test on DelayDiffEq autoswitch handling (#1290) (@ChrisRackauckas)
- implement post-stage and post-step limiters for 2N methods (#1293) (@ranocha)
- MassInstallAction: Install the TagBot workflow on this repository (#1294) (@christopher-dG)

## OrdinaryDiffEq v5.43.0

[Diff since v5.42.10](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.10...v5.43.0)


**Closed issues:**
- continuous callbacks are broken for LowStorageRK2NCache (#1279)
- FSAL of LowStorageRK2NCache? (#1281)
- stage_limiter! and step_limiter! for SSPRK methods should get p as argument (#1285)

**Merged pull requests:**
- fix 2N adaptive step size methods (#1282) (@ranocha)
- 2N methods are really not FSAL anymore (#1286) (@ranocha)
- SSPRK methods: non-FSAL and p as argument in limiters (#1287) (@ranocha)

## OrdinaryDiffEq v5.42.10

[Diff since v5.42.9](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.9...v5.42.10)


**Closed issues:**
- resize! is broken for LowStorageRK2NCache (#1277)

**Merged pull requests:**
- support resize! with non-Int size; help wanted (#1275) (@ranocha)
- fix resize! for LowStorageRK2NCache; closes #1277 (#1278) (@ranocha)

## OrdinaryDiffEq v5.42.9

[Diff since v5.42.8](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.8...v5.42.9)


**Closed issues:**
- RadauIIA3 and RadauIIA5: MethodError when solving out-of-place problems with callbacks (#1273)

**Merged pull requests:**
- Fix AD of the Radau integrators (#1267) (@andreasnoack)
- fix get_du for 2N inplace methods (#1272) (@ranocha)
- Ambiguity fix for Radau tmp_cache (#1274) (@ChrisRackauckas)

## OrdinaryDiffEq v5.42.8

[Diff since v5.42.7](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.7...v5.42.8)



**Merged pull requests:**
- See if GPU tests pass on v1.5 (#1262) (@ChrisRackauckas)
- Fix some AD issues with KenCarpX and TRBDF2 integrators (#1264) (@andreasnoack)
- unroll composite cache perform_step cal to allow inference (#1265) (@ChrisRackauckas)
- Remove an extra branch in `unwrap_alg ` (#1268) (@YingboMa)

## OrdinaryDiffEq v5.42.7

[Diff since v5.42.6](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.6...v5.42.7)


**Closed issues:**
- Rodas5 fails with autodiff=true when ODE depends on t (#1221)
- Cannot use callbacks with linear exponential algorithms (#1247)
- Stiffness detection fails when autodiff=false (#1260)

**Merged pull requests:**
- add OrdinaryDiffEqLinearExponentialAlgorithm abstract type (#1248) (@kleinhenz)
- Higher order calculations in ImplicitEulerExtrapolation (#1254) (@utkarsh530)
- fix nested AD with Rosenbrock gradient calculation (#1259) (@ChrisRackauckas)

## OrdinaryDiffEq v5.42.6

[Diff since v5.42.5](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.5...v5.42.6)



**Merged pull requests:**
- Add reinitialization for AutoSwitch (#1258) (@YingboMa)

## OrdinaryDiffEq v5.42.5

[Diff since v5.42.4](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.4...v5.42.5)


**Closed issues:**
- PositiveDomain() callback interferes with 'saveat' (#1252)

**Merged pull requests:**
- Unnecessary type promotion causes issues with Callbacks  + Tracker (#1257) (@avik-pal)

## OrdinaryDiffEq v5.42.4

[Diff since v5.42.3](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.3...v5.42.4)



**Merged pull requests:**
- Allocation fixes in Implicit Extrapolation Methods (#1246) (@utkarsh530)
- Switch to DataStructures 0.18 (#1250) (@devmotion)
- Allocation fixes in controllers for Hairer Wanner Methods (#1251) (@utkarsh530)

## OrdinaryDiffEq v5.42.3

[Diff since v5.42.2](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.2...v5.42.3)


**Closed issues:**
- Possible bug in PI_stepsize_controller! (#1242)

**Merged pull requests:**
- CG3 [WIP] (#1240) (@Biswajitghosh98)
- Fixes in ImplicitEulerBarycentricExtrapolation (#1243) (@utkarsh530)
- Order and step-sizing fixes in Implicit Euler Extrapolation Methods (#1244) (@utkarsh530)
- Fix similar->zero causing NaN dt (#1245) (@utkarsh530)

## OrdinaryDiffEq v5.42.2

[Diff since v5.42.1](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.1...v5.42.2)


**Closed issues:**
- Missing `copyto!` when `save_everystep=false` (#1228)
- solve errors with StaticArrays (#1234)
- Non-concrete array partition in-place interpolation fails due to element type calculation (#1238)

**Merged pull requests:**
- CG2 (#1227) (@Biswajitghosh98)
- Fix ambiguous definition error in LSRK (#1229) (@kanav99)
- Update step-sizing in Implicit Euler Extrapolation (#1230) (@utkarsh530)
- [WIP] Add duprev, update du and user provided jacobians for DAEAlgorithms (#1231) (@kanav99)
- [WIP] Implicit Euler Barycentric Extrapolation (#1232) (@utkarsh530)
- Update work calculation and minor fix (#1233) (@utkarsh530)
- Fix tests in ImplicitEulerExtrapolation (#1235) (@utkarsh530)
- similar->zero (#1236) (@ChrisRackauckas)
- Fix Julia 1.5 Tests (#1237) (@kanav99)
- Fixed order convergence issue in Implicit Euler Barycentric Extrapolation (#1239) (@utkarsh530)
- more robust interpolation eltype choice (#1241) (@ChrisRackauckas)

## OrdinaryDiffEq v5.42.1

[Diff since v5.42.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.42.0...v5.42.1)


**Closed issues:**
- Rodas5 promotes static arrays to arrays when autodiff=false  (#1219)
- VectorContinuousCallback doesn't work for complex valued solution (#1222)

**Merged pull requests:**
- Rkmk2  (#1216) (@Biswajitghosh98)
- Update Work Calculation in ImplicitEulerExtrapolation (#1217) (@utkarsh530)
- RKMK4 [WIP] (#1218) (@Biswajitghosh98)
- fix t-typed values in sdirk tableaus? (#1220) (@ChrisRackauckas)
- Extend tests to cover autodiff=false for StaticArrays (#1223) (@andreasnoack)
- make CallbackCache real (#1224) (@kleinhenz)
- Use AD in initialization when the DAE algorithm uses AD (#1225) (@YingboMa)
- LieRK4 (#1226) (@Biswajitghosh98)

## OrdinaryDiffEq v5.42.0

[Diff since v5.41.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.41.0...v5.42.0)


**Closed issues:**
- Removed specialized tuple input handling -> ArrayPartition (#504)

**Merged pull requests:**
- New KenCarp4 (#1177) (@utkarsh530)
- skip computations if functionmap is EvalFunc(identity) (#1180) (@ChrisRackauckas)
- add citation docstrings (#1181) (@ChrisRackauckas)
- test second order ODEs with first order solvers (#1182) (@ChrisRackauckas)
- Added MagnusGL6 (#1183) (@Biswajitghosh98)
- Added MagnusNC6 (#1184) (@Biswajitghosh98)
- Added MagnusGL8 (#1186) (@Biswajitghosh98)
- New KenCarp5 (#1187) (@utkarsh530)
- Added MagnusNC8 (#1188) (@Biswajitghosh98)
- KenCarp47 & KenCarp58 Tests (#1189) (@utkarsh530)
- Added MagnusGL4 (#1190) (@Biswajitghosh98)
- Split methods test timeout fix in Travis (#1192) (@utkarsh530)
- Add sequences for ImplicitEulerExtrapolation (#1199) (@utkarsh530)
- DEstats update in Extrapolation Methods & fixes (#1200) (@utkarsh530)
- Remake for Algorithms (#1201) (@kanav99)
- Sequence factor option in explicit-extrapolation midpoint methods (#1202) (@utkarsh530)
- Updating recalculating Jacobian in internal discretisation (#1203) (@utkarsh530)
- Do not degrade compile time information to runtime information (#1204) (@YingboMa)
- MagnusAdapt4[WIP] (#1205) (@Biswajitghosh98)
-  Use OrdinaryDiffEq's nlsolver if possible in ShampineCollocationInit (#1206) (@YingboMa)
- add missing DPRKN6 cache print (#1207) (@ChrisRackauckas)
- Update T calculation in adaptive step-sizing of Implicit Extrapolation Methods (#1208) (@utkarsh530)
- Update Work Calculation in Implicit Extrapolation Methods (#1209) (@utkarsh530)
- Fix overflow in Implicit Extrapolation methods (#1211) (@utkarsh530)
- Add Gragg's smoothing to Implicit Hairer Wanner Extrapolation (#1212) (@utkarsh530)
- [WIP] Multi-threading in Implicit Extrapolation Methods (#1213) (@utkarsh530)
- Multi-threading for Implicit Extrapolation Methods (#1215) (@utkarsh530)

## OrdinaryDiffEq v5.41.0

[Diff since v5.40.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.40.0...v5.41.0)



**Merged pull requests:**
- [WIP] Fix quasi-constant step-size (#1158) (@utkarsh530)
- Fix redundant copies of tdir_t in tstops heap (#1178) (@utkarsh530)
- vec inside of WOperator (#1179) (@ChrisRackauckas)

## OrdinaryDiffEq v5.40.0

[Diff since v5.39.1](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.39.1...v5.40.0)


**Closed issues:**
- Trapezoid fails mass matrix tests (#1078)

**Merged pull requests:**
- Single GPU kernel call for low storage methods (#1153) (@kanav99)
- Adaptive Radau (#1156) (@d-netto)
- CompatHelper: add new compat entry for "Adapt" at version "1.1" (#1157) (@github-actions[bot])
- Fix Trapezoid mass matrix handling (#1160) (@YingboMa)
- Update ABDF2 to the new nlsolver (#1161) (@YingboMa)
- Adaptive RadauIIA3 (#1162) (@YingboMa)
- Update QNDF1 to new multistep solver (#1163) (@utkarsh530)
- Update QNDF2 to new multistep solver (#1164) (@utkarsh530)
- Update QNDF to new nlsolver (#1165) (@utkarsh530)
- Fix RHS in time-state dependent mass matrix tests (#1168) (@YingboMa)
- Migrate to JuliaGPU's CI setup (#1169) (@christopher-dG)
- CompatHelper: bump compat for "Adapt" to "2.0" (#1174) (@github-actions[bot])
- MagnusGauss4 (#1175) (@Biswajitghosh98)
- Remove allocations from RK4 residual adaptivity (#1176) (@ChrisRackauckas)

## OrdinaryDiffEq v5.39.1

[Diff since v5.39.0](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.39.0...v5.39.1)



**Merged pull requests:**
- CompositeSolution AD hotfix (#1155) (@ChrisRackauckas)

## OrdinaryDiffEq v5.39.0

[Diff since v5.38.3](https://github.com/SciML/OrdinaryDiffEq.jl/compare/v5.38.3...v5.39.0)



**Merged pull requests:**
- Conditions for order and step change in NDFs (#1130) (@utkarsh530)
- Update LICENSE [ci skip] (#1150) (@YingboMa)
- add sensitivity solution constructor (#1152) (@ChrisRackauckas)