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Fix display of CCX in a Circuit #1685

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Merged
swernli merged 1 commit into from
Jun 30, 2024
Merged

Fix display of CCX in a Circuit #1685

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27 changes: 27 additions & 0 deletions compiler/qsc/src/interpret/circuit_tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,33 @@ fn one_gate() {
.assert_eq(&circ.to_string());
}

#[test]
fn toffoli() {
let mut interpreter = interpreter(
r"
namespace Test {
@EntryPoint()
operation Main() : Unit {
use q = Qubit[3];
CCNOT(q[0], q[1], q[2]);
}
}
",
Profile::Unrestricted,
);

let circ = interpreter
.circuit(CircuitEntryPoint::EntryPoint, false)
.expect("circuit generation should succeed");

expect![[r"
q_0 ── ● ──
q_1 ── ● ──
q_2 ── X ──
"]]
.assert_eq(&circ.to_string());
}

#[test]
fn rotation_gate() {
let mut interpreter = interpreter(
Expand Down
2 changes: 1 addition & 1 deletion compiler/qsc_circuit/src/builder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ impl Backend for Builder {
let ctl0 = self.map(ctl0);
let ctl1 = self.map(ctl1);
let q = self.map(q);
self.push_gate(controlled_gate("CX", [ctl0, ctl1], [q]));
self.push_gate(controlled_gate("X", [ctl0, ctl1], [q]));
}

fn cx(&mut self, ctl: usize, q: usize) {
Expand Down