2002Jul24  Richard Guenther <address@hidden>

        * Tiny/Zero.h: fixed class protection
        const'ified operator T()
        deleted ambigous return type specializations
        * Tiny/One.h: new
        * Pooma/Tiny.h: include Zero.h and One.h
        * Engine/tests/makefile: new constant_test testcase
        * Engine/tests/constant_test.cpp: new