11 #pragma implementation 
   23         std::setw(11) << std::setprecision(6) << 
xx() << 
"   " <<
 
   24         std::setw(11) << std::setprecision(6) << 
xy() << 
"   " <<
 
   25         std::setw(11) << std::setprecision(6) << 
xz() << 
")\n" 
   27         std::setw(11) << std::setprecision(6) << 
yx() << 
"   " <<
 
   28         std::setw(11) << std::setprecision(6) << 
yy() << 
"   " <<
 
   29         std::setw(11) << std::setprecision(6) << 
yz() << 
")\n" 
   31         std::setw(11) << std::setprecision(6) << 
zx() << 
"   " <<
 
   32         std::setw(11) << std::setprecision(6) << 
zy() << 
"   " <<
 
   33         std::setw(11) << std::setprecision(6) << 
zz() << 
") ]\n";
 
std::ostream & print(std::ostream &os) const