Fix MCMC unit tests.
_err_stream should be ostream not ofstream
Finish conversion to ostream (as opposed to ofstream) and hopefully fix the unit tests.
rstan: less margin for the traceplot
Merge branch 'master' of https://github.com/stan-dev/stan
Finish ofstream -> ostream.
Merge remote-tracking branch 'upstream/master'
Use enable_if and templating to reduce the amount of duplicated code in dot_product vari's
Fix MCMC unit tests.
Merge branch 'master' of https://github.com/stan-dev/stan
Merge branch 'master' into quad_forms