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#
# jython examples for jas.
# $Id$
#
from java.lang import System
from jas import Ring, PolyRing, QQ, DD
from jas import terminate, startLog
# polynomial examples: ideal primary decomposition
#r = Ring( "Rat(x) L" );
#r = Ring( "Q(x) L" );
r = PolyRing(QQ(),"x,y,z",PolyRing.lex);
print "Ring: " + str(r);
print;
#automatic: [one,x,y,z] = r.gens();
f1 = (x**2 - 5)**2;
f2 = (y**2 - x)**2;
f3 = z**2 - x ;
#print "f1 = ", f1;
print "f2 = ", f2;
print "f3 = ", f3;
print;
F = r.ideal( list=[f2,f3] );
print "F = ", F;
print;
startLog();
t = System.currentTimeMillis();
Q = F.primaryDecomp();
t = System.currentTimeMillis() - t;
print "Q = ", Q;
print;
print "primary decomp time =", t, "milliseconds";
print;
print "F = ", F;
print;
#startLog();
terminate();
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