Add FlexUnits.jl extension for ODE solver compatibility #1266
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Add DiffEqBaseFlexUnitsExt extension module that enables FlexUnits.jl quantities to work with DiffEqBase's adaptive ODE solvers. This mirrors the existing DiffEqBaseUnitfulExt pattern, providing: - value/unitfulvalue methods for FlexUnits.Quantity types - ODE_DEFAULT_NORM for scalar and array Quantity types - UNITLESS_ABS2 for unit-stripped squared absolute values - _rate_prototype for computing du/dt prototypes with time units Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com> Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
DiffEqBaseFlexUnitsExtextension module that enables FlexUnits.jl quantities to work with DiffEqBase's adaptive ODE solversDiffEqBaseUnitfulExtpattern, providingvalue/unitfulvalue,ODE_DEFAULT_NORM,UNITLESS_ABS2, and_rate_prototypemethods forFlexUnits.QuantitytypesTest plan
ODEProblem+Tsit5+step!) worksSciMLBase.unitfulvalueandSciMLBase.valuedispatch correctly for FlexUnits types🤖 Generated with Claude Code