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sympy2c is a sympy to c compiler including solving odes at c level.

Project description

sympy2c is a sympy to c compiler including solving odes at c level.

History

2.2.2 (2022-12-19)

  • changed wrapper injection into fast solvers

2.2.1 (2022-12-13)

  • fix broken downward compatibility of version 2.2.0

  • improved import speed

  • fix numerical rounding issue in fast lsoda

  • fix pickling issue

2.2.0 (2022-12-13)

  • fix issue with parallel execution of ode solvers

2.1.1 (2022-11-03)

  • fix reporting of stepsizes chosen by ode solver

2.1.0 (2022-11-02)

  • extra parameter h0 for initial step size ode solver

2.0.0 (2022-10-28)

  • numba support for wrapper methods

1.1.1 (2022-10-25)

  • fix memory leak in ode combined

1.1.0 (2022-10-18)

  • inject wrapper into fast solvers and related functions such as merge

  • fixed all warnings

1.0.8 (2022-08-01)

  • fix race conditions when writing new traces files

  • fix counting fast lru solver calls

  • reduce number of ‘new permutations’ messages

  • fix issue with reordering in exported XXX_dot functions

1.0.7 (2022-07-08)

  • fix issue with reordering in exported XXX_dot functions

  • print sparsity of jacobian

1.0.6 (2022-06-08)

  • fix: consider interpolation data when pickling

1.0.5 (2022-05-09)

  • fix utils.get_platform

  • fix race condition when deleting new traces files

1.0.4 (2022-04-04)

  • fix issue with detection arm vs x86 on linux

1.0.3 (2022-04-01)

  • fix issue with detection arm vs x86 on linux

1.0.2 (2022-04-01)

  • fix detection arm vs x86 on mac

1.0.1 (2022-03-23)

  • fix meta data on pypi

1.0.0 (2022-03-23)

  • release

0.22.3 (2021-12-13)

  • less output for new traces

0.22.3 (2021-12-13)

  • less output for new traces

0.22.2 (2021-12-10)

  • fix missing files in package

  • user portalocker to avoid race conditions when reading/writing trace files

0.22.1 (2021-12-10)

  • fixed licenses

0.22.0 (2021-12-09)

  • rename to sympy2c, upload to pypi.org, update package meta data

0.21.5 (2021-11-18)

  • finaly fixed issue when switching time for combined odes is outside given time span.

0.21.4 (2021-11-15)

  • delete new_traces entries after recompile.

0.21.3 (2021-11-15)

  • fix issue when switching time for combined odes is outside given time span.

0.21.2 (2021-10-28)

  • better error message when reading json file fails.

0.21.1 (2021-10-27)

  • fix compilation flags for ubuntu 20.04.

  • fix issue with file encodings of traces files.

0.21.0 (2021-09-24)

  • faster sparse lu fallback solver.

  • cache fast lsoda variant static library.

  • check if splits for fast ode solvers are out of range.

0.20.1 (2021-09-14)

  • Fix required cython version.

0.20.0 (2021-09-09)

  • report lu solver call counts.

  • fix issue with split and traces handling.

  • improve compilation time using -f-no-var-tracking compiler flag.

  • consider compiler flags in cache folder name.

0.19.1 (2021-07-09)

  • remove C++17 dependency.

0.19.0 (2021-07-09)

  • fix compilation issue with anaconda on mac.

  • fast ode solver reports more detailed execution time info.

  • cache folder names contains sympy and numpy version info.

  • fix issue with interpolation functions.

0.18.0 (2021-04-29)

  • official support for _ufunc versions of compiled functions.

  • PythonFunction to compile pure Python function into wrapper.

0.17.0 (2021-04-23)

  • more arguments for merge function in combined odes.

0.16.3 (2021-03-31)

  • traces handling for OdeCombined.

0.16.2 (2021-03-31)

  • fix issue with caching OdeCombined intermediate data.

  • fix issue when switching odes.

0.16.1 (2021-03-25)

  • fix issue when merging solutions of combined odes.

0.16.0 (2021-03-18)

  • new feature: combined odes.

0.15.3 (2021-03-03)

  • fix: more reliable server for gsl download, existing one was broken.

0.15.2 (2021-02-08)

  • fix: restore Python 3.6 support.

0.15.1 (2021-01-27)

  • fixed reordering of fast ode equations.

0.15.0 (2021-01-13)

  • reordering of fast ode equations.

0.14.1 (2020-12-09)

  • restore Python 3.6 support.

0.14.0 (2020-12-07)

  • fixed bug in unique id computation in OdeFast.

  • own approach for symbolic matrix inversion to gain speed.

0.13.1 (2020-11-23)

  • fix traces handling.

0.13.0 (2020-11-20)

  • faster compilation times based on schur-complement approach for solving linear systems.

  • better handling of traces.

0.12.1 (2020-10-16)

  • fix encoding issue when using subprocess module from standard library.

0.12.0 (2020-08-27)

  • unify API of ode and fast ode solver.

  • support to specify compilation flags.

  • reduced size if sympy_to_c Python package.

0.11.0 (2020-08-19)

  • reduce memory consumption of fast ode solver.

  • support for bessel and 2f1 hyper geometric function.

  • speed improvements in ode code related c functions.

  • fix issue with handling rtol in fast ode solver.

  • fix issue with memory handling / computation.

0.10.0 (2020-06-02)

  • new parameter max_order for fast ode solver.

  • rtol parameter for fast ode solver can be a vector now to use different settings for different components of the ode.

  • compiled wrapper module name now includes unique id to support loading different wrappers in the same python interpreter.

0.9.0 (2020-03-31)

  • Use constant ‘extrapolation’ on rhs of interpolation intervals. This is usefull if the ode solver tries to evaluate the rhs of the ODE beyond the last time point.

0.8.11 (2020-03-24)

  • fixed bug related to included blas from release 0.8.10.

0.8.10 (2020-03-19)

  • add attribute sympy_to_c_version to compiled module.

  • include blas / lapack dependencies.

0.8.9 (2020-03-06)

  • fixed pickling problems (commit 2215dfb).

  • compiled module already has “default” integral parameters defined. Wrappers now can be used after import without setting integration parameters for integrals with id “default” (commit d544632).

  • fixed issue with caching expression hashes (commit e73dd5d).

  • reduced output (commit 25e4d62).

0.8.8 (2020-02-25)

  • fixed issues with code creation for integrals.

0.8.7 (2020-02-18)

  • don’t expose internal integrand functions to Python. Caused some issues in complex situations.

  • print debug information about unique_id computations in case envrinment variable PRINTHASHES is set.

0.8.6 (2020-02-11)

  • fixed pickling

  • support for expressions including sympy.Abs.

0.8.5 (2020-02-04)

  • fixed issues with sympy 1.4.X.

0.8.4 (2020-01-31)

  • fixed issues with missing files in package.

0.8.3 (2020-01-30)

  • fixed installation issues.

  • internal improvements.

  • smaller bug fixes.

0.8.2 (2019-12-10)

  • added Module.unique_id.

  • unique_id computations are much faster now.

  • decide late what code to generate and compile.

  • less but better output during compilation.

0.8.1 (2019-11-21)

  • fixed broken caching of generated or compiled code.

  • improved some messages from lsoda_modified when integration fails.

0.8.0 (2019-11-07)

  • permutations -> traces + improved switchin of solvers.

  • fixed “set_sec_factor” function. Old version did nothing.

  • increased default value for “mxstep” in modified lsoda 500 to 50,000.

0.7.0 (2019-10-25)

  • support integrals and interpolation functions in fast odes.

  • disable compilation of fast ode wrappers on demand (needed in PyCosmo for faster startup).

  • sec_factor is not hard coded anymore but can be configured.

  • wrapper how has function to retrieve symbols used in an ode.

0.6.1 (2019-10-03)

  • fixed broken ode solver in case time variable appears in right hand side of ode.

0.6.0 (2019-10-01)

  • implemented fast ode solver.

  • ode returns result now transposed.

0.5.3 (2019-07-03)

  • enforce continous memory layout for vector arguments.

0.5.2 (2019-07-02)

  • improved speed of code generation for larger ode systems as used in PyCosmo.

0.5.1 (2019-06-20)

  • ode solver functions now have doc strings.

  • fixed Python package by adding missing file.

0.5.0 (2019-06-14)

  • ode solver now computes and uses jacobian matrix if wanted.

  • include ERROR expression.

  • handle None in globals as nan.

  • added symbolic isnan function.

0.4.2 (2019-04-11)

  • fixed issues after upgrade sympy to version 1.4.

  • better error message when interpolation argument is out of range.

0.4.1 (2019-04-10)

  • fixed pickling issues.

0.4.0 (2019-04-10)

  • Fixed issue with aliasing vectors.

  • compiled module now also returns list with strings of LHS symbols.

0.3.0 (2019-04-02)

  • improved output when parsing Python code fails.

  • add Min and Max expressions.

  • better tests.

0.2.0 (2019-03-22)

  • include ODE solver codes.

0.1.0 (2019-03-20)

  • First release on PyPI.

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