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D.2.8.11 ord_test

Procedure from library ring.lib (see ring_lib).

Usage:
ord_test(r); r ring/qring

Return:
int 1 (resp. -1, resp. 0) if ordering of r is global (resp. local, resp. mixed)

Example:
 
LIB "ring.lib";
ring R = 0,(x,y),dp;
ring S = 0,(u,v),ls;
ord_test(R);
==> 1
ord_test(S);
==> -1
ord_test(R+S);
==> 0
See also: attrib.