Initial import

vendor/spinoza/examples/value_encoding.rs

@@ -0,0 +1,37 @@
+use clap::Parser;
+use spinoza::{
+    config::{Config, QSArgs},
+    core::{iqft, State, CONFIG},
+    gates::{apply, Gate},
+    math::{pow2f, PI},
+    utils::{pretty_print_int, to_table},
+};
+
+fn value_encoding(n: usize, show_results: bool) {
+    let v = 2.4;
+    let now = std::time::Instant::now();
+    let mut state = State::new(n);
+
+    for i in 0..n {
+        apply(Gate::H, &mut state, i);
+    }
+    for i in 0..n {
+        apply(Gate::P(2.0 * PI / (pow2f(i + 1)) * v), &mut state, i);
+    }
+    let targets: Vec<usize> = (0..n).rev().collect();
+
+    iqft(&mut state, &targets);
+
+    let elapsed = now.elapsed().as_micros();
+    println!("{}", pretty_print_int(elapsed));
+    if show_results {
+        println!("{}", to_table(&state));
+    }
+}
+
+pub fn main() {
+    let args = QSArgs::parse();
+    let config = Config::from_cli(args);
+    CONFIG.set(config).unwrap();
+    value_encoding(config.qubits.into(), config.print);
+}