symengine.py v0.4.0

Breaking Changes

• python 3.3 support is dropped. (3.4 is dropped in the next version)
• out parameter of lambdify is keyword only - #171
• evalf defaults to symbols domain - #263

New Features

• Common Subexpression Elimination - #193, #209
• Generate SciPy LowLevelCallable from Lambdify - #201
• Enable pickling for LLVMDouble class - #213
• Latex printing on jupyter notebooks - #261
• Relationals - #159
• Dummy class - #172
• Logic classes - #168
• Wrap new special functions and constants - #162
• as_numer_denom - #179
• as_real_imag - #217
• count_ops - #231
• Singletons - #178
• Added Expr class for sympy compat - #182
• __div__ for matrices - #184
• expand(deep=False) - #187
• Support for order kwarg in Lambdify - #188
• Add more attributes for sympy compat - #180
• Convert BooleanAtom to bool - #195
• Implement diff(ex, x, n) - #226
• Add indexing matrix with an array - #229
• Support __slots__ when subclassing Symbol - #243
• Convert Basic to float - #265
• xreplace for matrices - #282
• Make constants return true for is_number - #283

Bug Fixes

• Fix lambdify for heterogenous outputs - #171
• Fix testing when sympy is not installed - #175
• Fix DenseMatrix.atoms - #191
• Fix slicing in matrices - #254

Contributors for this release are,

• Shikhar Jaiswal
• Isuru Fernando
• Björn Dahlgren
• Ondřej Čertík
• Nilay Pochhi
• Alan Hu
• xoviat
• Jean-Christophe Fillion-Robin
• Moritz E. Beber

symengine.py-v0.3.0

Major changes

• This release adds a dependency on NumPy for Lambdify functionality.
• Needs symengine v0.3.0
• symengine.sympy_compat is deprecated and symengine provides all the functionality that sympy_compat did.

New functionality

• New methods, Min, Max
• oo, zoo, nan support
• CCodePrinter and ccode for printing C code.
• Support bdist_wheel
• Ability to subclass Symbol
• Simulate sympy.functions with symengine.functions
• ATan2 and support all hyperbolic, inverse hyperblic functions.
• sympify now parses strings and all functions take in a string and parses it.
• Float class that works similar to sympy.Float
• series method now returns symengine objects by default.
• Lambdify can now output multiple objects.

Contributors for this release

• @isuruf
• @certik
• @bjodah
• @mattwala
• @ShikharJ

symengine.py-v0.3.0.rc0

Major changes

• This release adds a dependency on NumPy for Lambdify functionality.
• Needs symengine v0.3.0
• symengine.sympy_compat is deprecated and symengine provides all the functionality that sympy_compat did.

New functionality

• New methods, Min, Max
• oo, zoo, nan support
• CCodePrinter and ccode for printing C code.
• Support bdist_wheel
• Ability to subclass Symbol
• Simulate sympy.functions with symengine.functions
• ATan2 and support all hyperbolic, inverse hyperblic functions.
• sympify now parses strings and all functions take in a string and parses it.
• Float class that works similar to sympy.Float
• series method now returns symengine objects by default.
• Lambdify can now output multiple objects.

Contributors for this release

• @isuruf
• @certik
• @bjodah
• @mattwala
• @ShikharJ

symengine.py v0.2.0

See README.md for instructions