It would appear numeric.cpp has some () missing. This means calls to functions such as nelements fail. The text "isaligned" replaced with "iscontiguous" in iscontiguous call. John Gerschwitz *** numeric.cpp.orig 2004-02-11 10:57:50.000000000 +1000 --- numeric.cpp 2004-02-11 11:00:33.000000000 +1000 *************** *** 226,247 **** bool array_base::isaligned() const { ! return extract<bool>(attr("isaligned")); } bool array_base::iscontiguous() const { ! return extract<bool>(attr("isaligned")); } long array_base::itemsize() const { ! return extract<long>(attr("itemsize")); } long array_base::nelements() const { ! return extract<long>(attr("nelements")); } object array_base::nonzero() const --- 226,247 ---- bool array_base::isaligned() const { ! return extract<bool>(attr("isaligned")()); } bool array_base::iscontiguous() const { ! return extract<bool>(attr("iscontiguous")()); } long array_base::itemsize() const { ! return extract<long>(attr("itemsize")()); } long array_base::nelements() const { ! return extract<long>(attr("nelements")()); } object array_base::nonzero() const