use of choco.cp.model.CPModel in project abstools by abstools.
the class ChocoSolver method checkSolutionWithErrors.
// public boolean checkSolution(Map<String,Integer> solution, Model model) {
// boolean res = true;
// for (Constraint c: constraints) {
// CPModel m = new CPModel();
// m.addConstraint(c);
// boolean csol = checkSolution(solution,model,m);
// res = res & csol;
// //if (debug)
// if (!csol) ast.println("Constraint failed: "+prettyConst(c));
// }
//
// return res;
// for (Constraint c: constraints)
// m.addConstraint(c);
// return checkSolution(solution,model,m);
// }
public List<String> checkSolutionWithErrors(Map<String, Integer> solution, Model model) {
List<String> res = new ArrayList<>();
// check first for limits of variables
for (IntegerVariable v : vars.values()) {
CPModel m = new CPModel();
m.addVariable(v);
if (!checkSolution(solution, model, m))
res.add(v.toString());
}
// now check all explicit constraints
for (Constraint c : constraints) {
CPModel m = new CPModel();
m.addConstraint(c);
if (!checkSolution(solution, model, m))
res.add(prettyConst(c));
}
return res;
}
use of choco.cp.model.CPModel in project Malai by arnobl.
the class ChocoWrapper method initialization.
/*
* Initialize the warpper.
*/
public static void initialization() {
m = new CPModel();
s = new CPSolver();
stack = new Stack<Constraint>();
varMap = new HashMap<String, IntegerVariable>();
solved = false;
}
use of choco.cp.model.CPModel in project abstools by abstools.
the class ChocoSolverExperiment method main.
@SuppressWarnings("unused")
public static void main(final String[] args) throws Exception {
CPModel m = new CPModel();
boolean verbose = false;
if (!verbose)
ChocoLogging.setVerbosity(Verbosity.OFF);
// m.addVariable(i1);
IntegerVariable i1 = Choco.makeIntVar("i1", -10, 100);
// m.addVariable(i2);
IntegerVariable i2 = Choco.makeIntVar("i2", -10, 100);
// m.addVariable(i3);
IntegerVariable i3 = Choco.makeIntVar("i3", -10, 100);
// m.addVariable(i4);
IntegerVariable i4 = Choco.makeIntVar("i4", -10, 100);
// m.addVariable(b1);
IntegerVariable b1 = Choco.makeBooleanVar("b1");
// m.addVariable(b2);
IntegerVariable b2 = Choco.makeBooleanVar("b2");
// m.addVariable(b3);
IntegerVariable b3 = Choco.makeBooleanVar("b3");
// m.addVariable(b4);
IntegerVariable b4 = Choco.makeBooleanVar("b4");
// m.addVariable(b5);
IntegerVariable b5 = Choco.makeBooleanVar("b5");
m.addConstraint(// Choco.and( Choco.lt(i1, i2) , Choco.lt(i2, 7) )
Choco.or(Choco.eq(i1, -3), Choco.eq(i1, 5)));
// Build the solver
CPSolver s = new CPSolver();
if (verbose)
System.out.println("####" + s.getConfiguration().stringPropertyNames());
// print the problem
if (verbose)
System.out.println(m.pretty());
// Read the model
s.read(m);
// Solve the model
// s.solve();
// s.setObjective(s.getVar(i1))
// s.solve(); //
Boolean solved = s.maximize(s.getVar(i1), true);
if (solved) {
System.out.println("i1: " + s.getVar(i1).getVal());
// System.out.println("i2: "+s.getVar(i2).getVal());
} else {
System.out.println("no sol...");
}
try {
// s.getVar(b1).setVal(1);
// // s.getVar(b2).setVal(0);
// // s.getVar(b3).setVal(1);
// System.out.println("$$$ check sol: "+s.checkSolution()+" $$$");
// System.out.println("$$$ b1: "+s.getVar(b1).isInstantiated()+" $$$");
// System.out.println("$$$ b2: "+s.getVar(b2).isInstantiated()+" $$$");
} catch (Exception e1) {
// Catch-all
System.err.println("$$$ Failed to check solution... $$$");
// e1.printStackTrace();
}
if (verbose)
System.out.println(s.pretty());
}
use of choco.cp.model.CPModel in project abstools by abstools.
the class ChocoSolverExperiment method othermain.
public static void othermain(final String[] args) throws Exception {
// Constant declaration
// Order of the magic square
int n = 3;
// Magic sum
int magicSum = n * (n * n + 1) / 2;
// Build the model
CPModel m = new CPModel();
// Creation of an array of variables
IntegerVariable[][] var = new IntegerVariable[n][n];
// For each variable, we define its name and the boundaries of its domain.
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
var[i][j] = Choco.makeIntVar("var_" + i + "_" + j, 1, n * n);
// Associate the variable to the model.
m.addVariable(var[i][j]);
}
}
// All cells of the matrix must be different
for (int i = 0; i < n * n; i++) {
for (int j = i + 1; j < n * n; j++) {
Constraint c = (Choco.neq(var[i / n][i % n], var[j / n][j % n]));
m.addConstraint(c);
}
}
// All rows must be equal to the magic sum
for (int i = 0; i < n; i++) {
m.addConstraint(Choco.eq(Choco.sum(var[i]), magicSum));
}
IntegerVariable[][] varCol = new IntegerVariable[n][n];
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
// Copy of var in the column order
varCol[i][j] = var[j][i];
}
// Each column?s sum is equal to the magic sum
m.addConstraint(Choco.eq(Choco.sum(varCol[i]), magicSum));
}
IntegerVariable[] varDiag1 = new IntegerVariable[n];
IntegerVariable[] varDiag2 = new IntegerVariable[n];
for (int i = 0; i < n; i++) {
// Copy of var in varDiag1
varDiag1[i] = var[i][i];
// Copy of var in varDiag2
varDiag2[i] = var[(n - 1) - i][i];
}
// Every diagonal?s sum has to be equal to the magic sum
m.addConstraint(Choco.eq(Choco.sum(varDiag1), magicSum));
m.addConstraint(Choco.eq(Choco.sum(varDiag2), magicSum));
// Build the solver
CPSolver s = new CPSolver();
// print the problem
System.out.println(m.pretty());
// Read the model
s.read(m);
// Solve the model
s.solve();
// Print the solution
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
System.out.print(MessageFormat.format("{0} ", s.getVar(var[i][j]).getVal()));
}
System.out.println();
}
}
use of choco.cp.model.CPModel in project abstools by abstools.
the class ChocoSolver method checkSolutionWithErrors.
// public boolean checkSolution(Map<String,Integer> solution, Model model) {
// boolean res = true;
// for (Constraint c: constraints) {
// CPModel m = new CPModel();
// m.addConstraint(c);
// boolean csol = checkSolution(solution,model,m);
// res = res & csol;
// //if (debug)
// if (!csol) ast.println("Constraint failed: "+prettyConst(c));
// }
//
// return res;
// for (Constraint c: constraints)
// m.addConstraint(c);
// return checkSolution(solution,model,m);
// }
public List<String> checkSolutionWithErrors(Map<String, Integer> solution, Model model) {
List<String> res = new ArrayList<>();
// check first for limits of variables
for (IntegerVariable v : vars.values()) {
CPModel m = new CPModel();
m.addVariable(v);
if (!checkSolution(solution, model, m))
res.add(v.toString());
}
// now check all explicit constraints
for (Constraint c : constraints) {
CPModel m = new CPModel();
m.addConstraint(c);
if (!checkSolution(solution, model, m))
res.add(prettyConst(c));
}
return res;
}
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