Release Notes 0.4

SymEngine 0.4.0

Breaking Changes

complex_*real_part, complex_*imaginary_part are replaced by methods complex_base_real_part and complex_base_imaginary_part - #1263
real_mpfr_is_zero, complex_mpc_is_zero is replaced by method number_is_zero - #1256
basic_number_sign is replaced by methods number_is_zero, number_is_positive, number_is_negative - #1256

Bug Fixes

Additional comparison clause in Dummy::compare - #1304
Add oo and zoo to the parser - #1261
Fix segmentation fault in LLVMDoubleVisitor - #1260
NaN and infs in JuliaStrPrinter - #1258
The base classes for inverse trigonometric and inverse hyperbolic functions are now InverseTrigFunction and InverseHyperbolicFunction respectively. Base class for TrigFunction and InverseTrigFunction is TrigBase. Similarly, base class for HyperbolicFunction and InverseHyperbolicFunction is HyperbolicBase. #1309

New Functionality

New functions dense_matrix_row_del, dense_matrix_col_del in C Wrappers and row_insert and col_insert in class DenseMatrix- #1313
expand_as_exp() member function is removed from derived classes of TrigFunction and HyperbolicFunction and implemented using visitor design pattern - #1309
as_real_imag- #1310
Polynomial Solvers - #1296
Floor and Ceiling classes - #1297 and #1290
Conjugate class - #1295
ConditionSet - #1291
Sign class - #1287
Vector-specific methods dot and cross - #1286
Dummy class - #1284
Relationals - #1276, #1279, #1280
Flint wrappers for factorization - #1274
New functions dense_matrix_row_join, dense_matrix_col_join in C Wrappers - #1273
Functions column_exchange_dense, row_join, col_join, row_del and col_del in class DenseMatrix - #1269
New functions vecbasic_set, vecbasic_erase, setbasic_erase in CWrappers - #1264, #1272
New functions number_is_zero, number_is_positive, number_is_negative, number_is_complex in CWrappers - #1256

And many other changes, here is a list of merged PRs not mentioned above:

People who contributed to the release: