New special functions for truncation and rounding, plus exponential integrals and zeta.
New non central distributions.
Updated equation png's so that they are all consistent.
[SVN r44091]
Made sure that if BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS is defined, then no long double overloads are actually instantiated by the tests.
[SVN r41007]
Lots of warning suppression changes.
Added new tests to verify header includes (plus fixes where these new tests failed!).
Documentation updates.
[SVN r3575]