qudit_expr/library/
measurements.rs

1use crate::BraSystemExpression;
2
3/// A terminating z-basis measurement for a qudit.
4#[cfg_attr(feature = "python", pyo3::pyfunction)]
5#[cfg_attr(feature = "python", pyo3(signature = (radix = 2)))]
6pub fn ZMeasurement(radix: usize) -> BraSystemExpression {
7    let proto = format!("ZMeasurement<{}>()", radix);
8    let mut body = "".to_string();
9    body += "[";
10    for i in 0..radix {
11        body += "[[";
12        for j in 0..radix {
13            if i == j {
14                body += "1,";
15            } else {
16                body += "0,";
17            }
18        }
19        body += "]],";
20    }
21    body += "]";
22
23    BraSystemExpression::new(proto + "{" + &body + "}")
24}
25
26#[cfg(feature = "python")]
27mod python {
28    use super::*;
29    use crate::python::PyExpressionRegistrar;
30    use pyo3::prelude::*;
31
32    /// Registers the measurement library with the Python module.
33    fn register(parent_module: &Bound<'_, PyModule>) -> PyResult<()> {
34        parent_module.add_function(wrap_pyfunction!(ZMeasurement, parent_module)?)?;
35        Ok(())
36    }
37    inventory::submit!(PyExpressionRegistrar { func: register });
38}
qudit_expr/library/measurements.rs

qudit_expr/library/
measurements.rs
