SymEngine v0.5.0

Bug Fixes

• Fix LLVMDoubleVisitor save->load->save->load bug - #1549
• Fix coeff(x+1, x, 0) - #1564
• Fix finding LLVM in SymEngineConfig.cmake - #1553
• Fix path prefix in Binder-based environments - #1554
• Add a virtual destructor to Visitor - #1580

Build system changes

• Modified parser to use re2c and bison - #1588, #1591, #1593, #1594
• LLVM 8 support - #1531
• Removed -march=native from default flags - #1569
• Versioned the DLL - #1604

New Functionality

• Multi precision support for upper and lower gamma using MPFR 4 - #1544, #1545
• 32-bit and 80-bit floating point support to LLVMVisitor - #1606
• Option to cache intermediate expression in diff and subs - #1592, #1582
• Add loggamma function to C wrapper API - #1556
• Add truncate function - #1555
• Avoid revisit in CountOpsVisitor - #1557
• Add mathml, latex, ccode, jscode to cwrapper - #1562
• Add kronecker_delta, lowergamma, uppergamma, beta, polygamma to cwrapper - #1603
• Allow symengine rcp even in debug mode - #1548

People who contributed to the release:

• Björn Dahlgren
• Ondřej Čertík
• Isuru Fernando
• Connor Behan
• Jialin Ma
• Brandon Bocklund
• Marcello Mansueto
• Steven Lee