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Added Controlled Hadamard Gate #138

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Added Controlled Hadamard Gate #138

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bc72f23
Added Controlled Hadamard Gate
GPMrks Oct 10, 2023
cd97335
Added Controlled Hadamard Gate
GPMrks Oct 10, 2023
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39 changes: 39 additions & 0 deletions src/main/java/org/redfx/strange/gate/Chadamard.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
package org.redfx.strange.gate;

import org.redfx.strange.Complex;

public class Chadamard extends TwoQubitGate {
Complex[][] matrix = new Complex[][]{
{Complex.ONE,Complex.ZERO,Complex.ZERO,Complex.ZERO},
{Complex.ZERO,Complex.ONE,Complex.ZERO,Complex.ZERO},
{Complex.ZERO,Complex.ZERO,Complex.HC,Complex.HC},
{Complex.ZERO,Complex.ZERO,Complex.HC,Complex.HCN}
};

/**
* <p>Constructor for Chadamard.</p>
*/
public Chadamard() {
}

/**
* <p>Constructor for Chadamard.</p>
*
* @param a a int
* @param b a int
*/
public Chadamard(int a, int b) {
super(a,b);
}

/** {@inheritDoc} */
@Override
public Complex[][] getMatrix() {
return matrix;
}

/** {@inheritDoc} */
@Override public String getCaption() {
return "Chadamard";
}
}
47 changes: 47 additions & 0 deletions src/test/java/org/redfx/strange/test/TwoQubitGateTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@
import org.redfx.strange.gate.Measurement;
import org.redfx.strange.gate.Swap;
import org.redfx.strange.gate.X;
import org.redfx.strange.gate.Hadamard;
import org.redfx.strange.gate.Chadamard;

/**
*
Expand Down Expand Up @@ -309,4 +311,49 @@ public void IMcnot10() {
IllegalArgumentException.class,
() -> p.addStep(new Step(new Cnot(1,0))));
}

@Test
public void chadamardGate() {
int[] results = new int[2];
for (int i = 0; i < 100; i++) {
Program p = new Program(2,
new Step(new Hadamard(0)),
new Step(new Chadamard(0,1)));
Result res = runProgram(p);
Qubit[] qubits = res.getQubits();
results[qubits[1].measure()]++;
}
assertTrue(results[0] > 10);
assertTrue(results[1] > 10);
}

@Test
public void chadamardXGate() {
int[] results = new int[2];
for (int i = 0; i < 100; i++) {
Program p = new Program(2,
new Step(new X(0)),
new Step(new Chadamard(0,1)));
Result res = runProgram(p);
Qubit[] qubits = res.getQubits();
results[qubits[1].measure()]++;
}
assertTrue(results[0] > 10);
assertTrue(results[1] > 10);
}

@Test
public void chadamardNotApplied() {
int[] results = new int[2];
for (int i = 0; i < 100; i++) {
Program p = new Program(2,
new Step(new Chadamard(0,1)));
Result res = runProgram(p);
Qubit[] qubits = res.getQubits();
results[qubits[1].measure()]++;
}
assertEquals(100, results[0]);
assertEquals(0, results[1]);
}

}