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)