public BDD buildAdd(BDDDomain that, int bits, long value)
{
if (bits > this.varNum() ||
bits > that.varNum())
{
throw new BDDException("Number of bits requested (" + bits + ") is larger than domain sizes " + this.varNum() + "," + that.varNum());
}
BDDFactory bdd = getFactory();
if (value == 0L)
{
BDD result = bdd.one();
int n;
for (n = 0; n < bits; n++)
{
BDD b = bdd.ithVar(this.ivar[n]);
b.biimpWith(bdd.ithVar(that.ivar[n]));
result.andWith(b);
}
for (; n < Math.Max(this.varNum(), that.varNum()); n++)
{
BDD b = (n < this.varNum()) ? bdd.nithVar(this.ivar[n]) : bdd.one();
b.andWith((n < that.varNum()) ? bdd.nithVar(that.ivar[n]) : bdd.one());
result.andWith(b);
}
return(result);
}
int[] vars = new int[bits];
System.arraycopy(this.ivar, 0, vars, 0, vars.Length);
BDDBitVector y = bdd.buildVector(vars);
BDDBitVector v = bdd.constantVector(bits, value);
BDDBitVector z = y.add(v);
int[] thatvars = new int[bits];
System.arraycopy(that.ivar, 0, thatvars, 0, thatvars.Length);
BDDBitVector x = bdd.buildVector(thatvars);
BDD result = bdd.one();
int n;
for (n = 0; n < x.size(); n++)
{
BDD b = x.bitvec[n].biimp(z.bitvec[n]);
result.andWith(b);
}
for (; n < Math.Max(this.varNum(), that.varNum()); n++)
{
BDD b = (n < this.varNum()) ? bdd.nithVar(this.ivar[n]) : bdd.one();
b.andWith((n < that.varNum()) ? bdd.nithVar(that.ivar[n]) : bdd.one());
result.andWith(b);
}
x.free(); y.free(); z.free(); v.free();
return(result);
}
public BDD buildAdd(BDDDomain that, long value)
{
if (this.varNum() != that.varNum())
{
throw new BDDException();
}
return(buildAdd(that, this.varNum(), value));
}