Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and minor changes.
Add support for disabling interpolated output in ARKODE steppers by passing ARK_INTERP_NONE to the SetInterpolantType functions. Disabling interpolation can reduce the memory footprint of an integrator by two or more state vectors (depending on the interpolation type and degree) which can be beneficial when interpolation is not needed e.g., when integrating to a final time without output in between or using an explicit fast time scale integrator with MRIStep.
When interpolation is disabled, rootfinding is not supported, implicit methods must use the trivial predictor, interpolation at stop times cannot be used, and calls to Evolve in ARK_NORMAL mode will return at or past the requested output time.
gardner48
commented
6 months ago
Add support for disabling interpolated output in ARKODE steppers by passing
ARK_INTERP_NONEto theSetInterpolantTypefunctions. Disabling interpolation can reduce the memory footprint of an integrator by two or more state vectors (depending on the interpolation type and degree) which can be beneficial when interpolation is not needed e.g., when integrating to a final time without output in between or using an explicit fast time scale integrator with MRIStep.When interpolation is disabled, rootfinding is not supported, implicit methods must use the trivial predictor, interpolation at stop times cannot be used, and calls to
EvolveinARK_NORMALmode will return at or past the requested output time.