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#
# jython examples for jas.
# $Id$
#
from java.lang import System
from jas import Ring, PolyRing, QQ, ZZ, GF, CC, ZM
from jas import terminate, startLog
# polynomial examples: subring
#r = PolyRing( ZM(1152921504606846883), "(x,y,z)", PolyRing.lex );
#r = PolyRing( CC(), "(x,y,z)", PolyRing.lex );
#r = PolyRing( ZZ(), "(x,y,z)", PolyRing.lex );
r = PolyRing( QQ(), "x,y,z", PolyRing.lex );
print "Ring: " + str(r);
print;
#[one,x,y,z] = r.gens();
a = r.random(3,4);
b = r.random(2,3);
c = abs( r.random(3,3) );
print "a = ", a;
print "b = ", b;
print "c = ", c;
print;
t = System.currentTimeMillis();
dd = r.subring("", [a,b,c]);
t = System.currentTimeMillis() - t;
print "sub ring = " + str([ str(x) for x in dd]);
print;
print "subring time = " + str(t) + " milliseconds" ;
print;
cc = a + b * c;
tt = r.subringmember(dd, cc);
print "sub ring member = " + str(tt);
print;
#startLog();
terminate();
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