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|
use libpsi_core::*;
use libpsi_visualizer::*;
fn main() {
println!("Bell State with Measurement\n");
let mut bell = QuantumCircuit::with_classical(2, 2);
bell.h(0).cnot(0, 1).measure(0, 0).measure(1, 1);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&bell));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&bell));
bell.compute();
println!("{}", bell);
print!("------\n\n");
println!("GHZ State\n");
let mut ghz = QuantumCircuit::new(3);
ghz.h(0).cnot(0, 1).cnot(0, 2);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&ghz));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&ghz));
ghz.compute();
println!("{}", ghz);
print!("------\n\n");
println!("SWAP via 3 CNOTs\n");
let mut swap_circuit = QuantumCircuit::new(2);
swap_circuit.x(0).cnot(0, 1).cnot(1, 0).cnot(0, 1);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&swap_circuit));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&swap_circuit));
swap_circuit.compute();
println!("{}", swap_circuit);
print!("------\n\n");
println!("Toffoli Gate\n");
let mut toffoli_circuit = QuantumCircuit::new(3);
toffoli_circuit.x(0).x(1).toffoli(0, 1, 2);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&toffoli_circuit));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&toffoli_circuit));
toffoli_circuit.compute();
println!("{}", toffoli_circuit);
print!("------\n\n");
println!("Full Circuit with Measurements\n");
let mut full = QuantumCircuit::with_classical(3, 3);
full.h(0).h(1).h(2).measure_all();
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&full));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&full));
full.compute();
println!("{}", full);
print!("------\n\n");
println!("Complex Circuit\n");
let mut complex = QuantumCircuit::with_classical(4, 2);
complex
.h(0)
.h(1)
.cnot(0, 2)
.cnot(1, 3)
.cz(2, 3)
.swap(0, 1)
.measure(0, 0)
.measure(1, 1);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&complex));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&complex));
complex.compute();
println!("{}", complex);
print!("------\n\n");
println!("Custom Gate: Bell Pair Creator\n");
let bell_gate = CustomGateBuilder::new("BELL", 2).h(0).cnot(0, 1).build();
let mut custom_circuit = QuantumCircuit::new(4);
custom_circuit
.apply_custom(bell_gate.clone(), &[0, 1])
.apply_custom(bell_gate.clone(), &[2, 3]);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&custom_circuit));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&custom_circuit));
custom_circuit.compute();
println!("{}", custom_circuit);
print!("------\n\n");
println!("Custom Gate: Swap via CNOTs\n");
let swap_gate = CustomGateBuilder::new("MYSWAP", 2)
.cnot(0, 1)
.cnot(1, 0)
.cnot(0, 1)
.build();
let mut swap_test = QuantumCircuit::new(2);
swap_test.x(0).apply_custom(swap_gate, &[0, 1]);
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&swap_test));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&swap_test));
swap_test.compute();
println!("{}", swap_test);
print!("------\n\n");
println!("Custom Gate: Matrix-defined √X gate\n");
// √X gate (square root of NOT)
// When applied twice, it equals X gate
let sqrt_x_matrix = matrix!(
[complex!(0.5, 0.5), complex!(0.5, -0.5)];
[complex!(0.5, -0.5), complex!(0.5, 0.5)]
);
let sqrt_x = CustomGate::from_matrix("√X", sqrt_x_matrix);
let mut matrix_test = QuantumCircuit::new(1);
matrix_test
.apply_custom(sqrt_x.clone(), &[0])
.apply_custom(sqrt_x, &[0]); // Two √X = X
println!("Horizontal:");
println!("{}", HorizontalRenderer::new(&matrix_test));
println!("Vertical:");
println!("{}", VerticalRenderer::new(&matrix_test));
matrix_test.compute();
println!("{}", matrix_test);
println!("(Two √X gates should equal X, so |0⟩ becomes |1⟩)");
}
|
