I really don't understand the following math library test
failures (Boost 1.32.0):
1) test_float.output
/Code/boost-os4/libs/numeric/interval/test/test_float.cpp(55): fatal error in "call_test_main": test subset(rIT2, rII) failed
2) overflow.output
/Code/boost-os4/libs/numeric/interval/test/overflow.cpp(22): test in(x, y) failed in function: 'void test_one(typename I::base_type, typename I::base_type) [with I = boost::numeric::interval