id summary reporter owner description type status milestone component version severity resolution keywords cc 5176 test_assignment assumes fabs(float) hstong@… Gunter "As per [lib.c.math] paragraphs 5 and 6, there are float and long double overloads for fabs(): {{{ float fabs (float); long double fabs (long double); }}} libstdc++ apparently does not have the required overloads and is seems libs/numeric/ublas/test/test_assignment.cpp relies on this. Patch provided. " Bugs new To Be Determined uBLAS Boost 1.45.0 Problem