Using just _cpp_lib_ to sense dinkumware STL

svn path=/trunk/libs/math/; revision=77470
Fix numeric error in bessel_jy.hpp.
Remove some dead code from bessel_jy.hpp.
Add additional test cases for above bug.
Update and regenerate docs to match.

svn path=/trunk/boost/math/; revision=77513
Update test to determine heuristically how the std lib formats zeros.

svn path=/trunk/libs/math/; revision=77516
Use an explicit message for the configure checks instead of printing the BBv2 target name.

svn path=/trunk/libs/math/; revision=77777
Fix bad value of constants.
Update intro to highlight use of constants with UDT's
Fix some formatting issues in the FAQ.

svn path=/trunk/libs/math/; revision=77846
Update to match latest multiprecision code in sandbox.

svn path=/trunk/libs/math/; revision=77847
Updates for skew normal, non_num facets and roadmap

svn path=/trunk/libs/math/; revision=78010
Updates for skew normal, non_num facets and roadmap

svn path=/trunk/libs/math/; revision=78011
Updates for skew normal, non_num facets and roadmap

svn path=/trunk/libs/math/; revision=78012
Updated for owens and skewnormal graphs

svn path=/trunk/libs/math/; revision=78016
Updated for owens and skewnormal graphs

svn path=/trunk/libs/math/; revision=78017
Updated for owens and skewnormal equations

svn path=/trunk/libs/math/; revision=78018
add mml for equations for skewnormal and owens

svn path=/trunk/libs/math/; revision=78035
add mml for equations for skewnormal and owens

svn path=/trunk/libs/math/; revision=78036
add mml for equations for skewnormal and owens

svn path=/trunk/libs/math/; revision=78037
Updates for skew normal, non_num facets and roadmap

svn path=/trunk/libs/math/; revision=78039
Updated for owens and skewnormal equations

svn path=/trunk/libs/math/; revision=78040
Rename file that was committed in CamelCase.
Re-add content that was removed in Paul's last commit to roadmap.qbk.

svn path=/trunk/libs/math/; revision=78041
Update test_data.hpp to improve definition of SC_ so it's compatible with multiprecision testing.
Update BOOST_MATH_BIG_CONSTANT to use a long double when the result is long double or smaller.

svn path=/trunk/boost/math/; revision=78042
added to graphs (was in sf_dist) plot_owers_2d_xyp.png

svn path=/trunk/libs/math/; revision=78046