more readable implementation of Geometry::HexagonalPrism::setVolume
more readable implementation of Geometry::HexagonalPrism::setVolume

bjornstenqvist/faunus,gitesei/faunus,bjornstenqvist/faunus,bjornstenqvist/faunus,mlund/faunus,gitesei/faunus,gitesei/faunus,mlund/faunus,mlund/faunus