eneg
eneg( x2 );
void eabs(), eneg(), emov(), eclear(), einfin(), efloor();
eneg(y);
eneg( z ); /* odd power of negative number */
eneg( m2 );
eneg(c);
eneg(c);
eneg(y);
eneg(y);
eneg(y);
eneg(y);
eneg( ea );