v2.12.0

v2.12.0 (6 September 2016)

New Features

• update to Eigen 3.2.9 (#362)
• lots of unary functions vectorized (#202)
• reverse-mode gradients for matrix/matrix multiply,
  matrix/vector multiply, and vector/vector multiply
  received rewrites and significant speed ups for
  large matrices/vectors (#323)

Bug Fixes

• fixed exception handling with CVODES for g++6 (#348)
• squashed warnings with g++6 (#345)
• enforce symmetry on cov_matrix parameter inverse transform (#342)
• added int overload for log(), exp(), log2(), and log1p() to resolve
  ambiguity with g++6 (#327)
• sort_asc and sort_desc check for NaN (#253)
• wiener_log: raise exception for tau >= y (#150)
• stopped printing matrices in check functions (#146)
• added check for positive definiteness in multi_normal_rng (#44)

Other

• added multi-core to travis builds (#373)
• fixed makefile to recognize N_TESTS (#367)
• updated error message for check_bounded() (#332)
• made the use of stan::math namespace within the math library
  more consistent (#331)
• reimplemented integer division (#329)
• added test for multiple translation units (#328)
• updated costs for Eigen::NumTraits (#233)
• worked on getting the Math library working with Eigen 3.3-beta (#187)

v2.11.0

v2.11.0 (27 July 2016)

New Features

• vectorization of a many unary math functions (#202)

Bug Fixes

• throw exception on integer divide by 0 (#321)
• allow inclusing of Stan headers in multiple translation units (#311)

v2.10.0

v2.10.0 (17 June 2016)

New Features

• append_row and append_col for scalars (stan-dev/stan #1347)
• PYTHON2 property in makefile for 2.x requirement for
  cpplint (#300)
• refactored general ODE interface and add CVODES bdf
  integrator (#262, #293, #281, #284, #288)
• rename integrate_ode to integrate_ode_rk45 (#292)
• update to Eigen 3.2.8 (#256)
• efficiency improvement in value_of and value_of_rec (#249)
• generalize dependencies in runTests.py (#247)
• untangle include dependencies, add finer headers (#246)
• std::vector version of value_of and value_of_rec (#243)
• doc for is_vector_like and more tests (#241)
• issue and pull-request templates on GitHub (#237)
• top-level includes by shape and autodiff type (#236)
• upgrade to Boost 1.60 (#221)
• unary vectorization infrastructure (#202)
• ODE integrator fails if precision not reachable (#179)

Bug Fixes

• fix elementwise division argument cast problem with
  operator/(matrix, var) not compiling (#290)
• fix QR decomposition segfault for no-square matrices (#286)
• fix off-by-one bug in nested Jacobian autodiff in degenerate
  set_zero_all_adjoints_nested() call (#278)
• squash compiler warnings in OperandsAndPartials (#274)
• ifdef out residual Sundials (CVODES) print statements (#257)
• fix binomial coefficient branch to remove integer division and
  rounding (#239)
• refine clean-all make target to remove .d files (#234)
• fix Jacobian bug returning transposed result (#230)
• include stdexcept so container_view header compiles (#223)

v2.9.0

v2.9.0 (3 December 2015)

New Features

• Added container_view (#103)
• Improved derivative calculation for beta_cdf (#124)
• Gradients computed for cholesky_decompose (#125)
• Added functions for sparse matrix multiplication (#159)
• Changed the unit_vector transformation (#204)

Bug Fixes

• Check inputs for cholesky_decompose (#48)
• Fixed documentation for wiener.hpp (#140)

Other

• Cleaned up couple_ode_system for clarity (#180)
• Additional forward mode specializations (#16, #17)
• Removed unused chaintable base class (#183)
• Updated clang++ compiler options to supress warnings (#197)
• Fixed some unit tests (#199)
• Replaced top-level using statements (#207)

v2.8.0

v2.8.0 (8 September 2015)

New Features

• Added standard normal quantile function (#148)
• Add sparse matrix (csr format) by dense vector multiplication (#127)
• Faster derivative calculation for cholesky (#125)
• Fixes for MSVC 2008 and 2010 (#134)

Bug Fixes

• Fixed unit test for mdivide_right_spd (#153)
• Reduced compiler warnings for sing comparisons for sign functions (#151)
• Fixed gitignore for test directory (#149)
• Better assignment error messages (#146)

v2.7.0

Stan Math 2.7.0 (first independent release)

8 July 2015

First release

• Previously included as part of Stan
• Release numbering started at release number of Stan
• All work done up to and including the release of Stan Math 2.7.0
  is documented under the Stan C++ 2.7.0 release notes