public Derivation switchVars(VarInfo[] old_vars, VarInfo[] new_vars) {
TernaryDerivation result = this.clone();
result.base1 = new_vars[ArraysMDE.indexOf(old_vars, result.base1)];
result.base2 = new_vars[ArraysMDE.indexOf(old_vars, result.base2)];
result.base3 = new_vars[ArraysMDE.indexOf(old_vars, result.base3)];
return result;
}
public InvariantStatus add_modified(double[] a, int count) {
// System.out.println ("common: " + ArraysMDE.toString (a));
if (a == null) {
return InvariantStatus.FALSIFIED;
} else if (intersect == null) {
intersect = a;
return InvariantStatus.NO_CHANGE;
} else {
double[] tmp = new double[intersect.length];
int size = 0;
for (int i = 0; i < a.length; i++) {
// if (a[i] in intersect) && !(a[i] in tmp), add a[i] to tmp
int ii = Global.fuzzy.indexOf(intersect, a[i]);
if ((ii != -1) && (Global.fuzzy.indexOf(ArraysMDE.subarray(tmp, 0, size), a[i]) == -1)) {
// System.out.println ("adding " + intersect[ii] + " at " + size);
// Carefully add the existing intersect value and not a[i]. These
// are not necessarily the same when fuzzy floating point
// comparisons are active.
tmp[size++] = intersect[ii];
}
}
if (size == 0) {
return InvariantStatus.FALSIFIED;
}
intersect = ArraysMDE.subarray(tmp, 0, size);
}
intersect = Intern.intern(intersect);
elts++;
return InvariantStatus.NO_CHANGE;
}
public InvariantStatus add_modified(long[] a1, long[] a2, int count) {
if (logDetail())
log(
debug,
"saw add_modified (" + ArraysMDE.toString(a1) + ", " + ArraysMDE.toString(a2) + ")");
return check_modified(a1, a2, count);
}
public InvariantStatus check_modified(long[] a1, long[] a2, int count) {
if ((a1 == null) || (a2 == null)) return InvariantStatus.FALSIFIED;
int result = ArraysMDE.indexOf(a2, a1);
if (result == -1) return InvariantStatus.FALSIFIED;
else return InvariantStatus.NO_CHANGE;
}