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use crate::errors::CircuitError;
use crate::measurement_ops::MeasuredCondition;
use crate::pipeline::{
get_required_state_size_from_frontier, run_with_statebuilder, InitialState, QuantumState,
};
use crate::state_ops::{get_index, num_indices, UnitaryOp};
use crate::{Complex, Precision, Register};
use std::marker::PhantomData;
struct PrintPipeline<P: Precision> {
n: u64,
phantom: PhantomData<P>,
}
impl<P: Precision> QuantumState<P> for PrintPipeline<P> {
fn new(n: u64) -> PrintPipeline<P> {
let tmp: Vec<String> = (0..n).map(|i| i.to_string()).collect();
println!("{}", tmp.join(" "));
let tmp: Vec<String> = (0..n).map(|_| "V".to_string()).collect();
println!("{}", tmp.join(" "));
let tmp: Vec<String> = (0..n).map(|_| "|".to_string()).collect();
println!("{}", tmp.join(" "));
PrintPipeline {
n,
phantom: PhantomData,
}
}
fn new_from_initial_states(
n: u64,
_states: &[(Vec<u64>, InitialState<P>)],
) -> PrintPipeline<P> {
PrintPipeline::<P>::new(n)
}
fn n(&self) -> u64 {
self.n
}
fn apply_op_with_name(&mut self, name: Option<&str>, op: &UnitaryOp) {
match op {
UnitaryOp::Control(c_indices, o_indices, _) => {
let lower = c_indices
.iter()
.chain(o_indices.iter())
.cloned()
.min()
.unwrap_or(0);
let upper = c_indices
.iter()
.chain(o_indices.iter())
.cloned()
.max()
.unwrap_or(self.n);
for _ in 0..lower {
print!("{} ", "|".to_string());
}
for i in lower..=upper {
let conn = if i == upper { " " } else { "-" };
if c_indices.contains(&i) {
print!("{}{}", "C".to_string(), conn);
} else if o_indices.contains(&i) {
print!("{}{}", "O".to_string(), conn);
} else {
print!("{}{}", "|".to_string(), conn);
}
}
for _ in upper + 1..self.n {
print!("{} ", "|".to_string());
}
if let Some(name) = name {
print!("\t{}", name);
}
println!()
}
UnitaryOp::Swap(a_indices, b_indices) => {
let lower = a_indices
.iter()
.chain(b_indices.iter())
.cloned()
.min()
.unwrap_or(0);
let upper = a_indices
.iter()
.chain(b_indices.iter())
.cloned()
.max()
.unwrap_or(self.n);
for _ in 0..lower {
print!("{} ", "|".to_string());
}
for i in lower..=upper {
let conn = if i == upper { " " } else { "-" };
if a_indices.contains(&i) {
print!("{}{}", "A".to_string(), conn);
} else if b_indices.contains(&i) {
print!("{}{}", "B".to_string(), conn);
} else {
print!("{}{}", "|".to_string(), conn);
}
}
for _ in upper + 1..self.n {
print!("{} ", "|".to_string());
}
if let Some(name) = name {
print!("\t{}", name);
}
println!()
}
_ => {
let indices: Vec<u64> = (0..num_indices(op)).map(|i| get_index(op, i)).collect();
let mut tmp: Vec<String> = vec![];
for i in 0u64..self.n {
if indices.contains(&i) {
tmp.push("o".to_string())
} else {
tmp.push("|".to_string())
}
}
print!("{}", tmp.join(" "));
if let Some(name) = name {
print!("\t{}", name);
}
println!()
}
};
let tmp: Vec<String> = (0..self.n).map(|_| "|".to_string()).collect();
println!("{}", tmp.join(" "));
}
fn measure(&mut self, indices: &[u64], _: Option<MeasuredCondition<P>>, _: f64) -> (u64, P) {
let mut tmp: Vec<String> = vec![];
for i in 0u64..self.n {
if indices.contains(&i) {
tmp.push("M".to_string())
} else {
tmp.push("|".to_string())
}
}
println!("{}", tmp.join(" "));
let tmp: Vec<String> = (0..self.n).map(|_| "|".to_string()).collect();
println!("{}", tmp.join(" "));
(0, P::zero())
}
fn soft_measure(&mut self, _: &[u64], _: Option<u64>, _: f64) -> (u64, P) {
(0, P::zero())
}
fn state_magnitude(&self) -> P {
P::zero()
}
fn stochastic_measure(&mut self, _: &[u64], _: f64) -> Vec<P> {
vec![]
}
fn get_state(self, _: bool) -> Vec<Complex<P>> {
vec![]
}
}
pub fn run_debug(r: &Register) -> Result<(), CircuitError> {
run_with_statebuilder(r, |rs| {
let n = get_required_state_size_from_frontier(&rs);
Ok(PrintPipeline::<f32>::new(n))
})
.map(|_| ())
}