ring r= 32003,(x,y,z),(c,lp);
matrix m[2][2] = x,y,x2,y2;
m;
module mo = [x,y],[x2,y2];
mo;
vector v=[x,0,1];
v;
v=0;
v=1; ;
listvar(all);
LIB "tst.lib";tst_status(1);$;