Added first cut of the non-central chi squared distribution. Removed almost all occurrences of real_cast: replaced with calls to the truncation/rounding functions instead. [SVN r42744]
Updated zeta and expint tests with hooks for other libraries. Added #pragma once to header files. [SVN r42140]
Fixed ntl::RR iostream operators. Updated minimax program with zeta and expint approximations. [SVN r41958]