style: normalize codebase to stable rustfmt 1.94.1

One-time reformatting of 303 source files to match the stable-only
rustfmt.toml. Primary changes: K&R brace style (was Allman), macro body
formatting, import layout, line wrapping at 120 cols.

No functional changes — whitespace only.

Co-authored-by: AdaWorldAPI <AdaWorldAPI@users.noreply.github.com>

Author: cursoragent

Cargo.lock

@@ -6,24 +6,21 @@ use test::Bencher;
 use ndarray::prelude::*;
 
 #[bench]
-fn select_axis0(bench: &mut Bencher)
-{
+fn select_axis0(bench: &mut Bencher) {
     let a = Array::<f32, _>::zeros((256, 256));
     let selectable = vec![0, 1, 2, 0, 1, 3, 0, 4, 16, 32, 128, 147, 149, 220, 221, 255, 221, 0, 1];
     bench.iter(|| a.select(Axis(0), &selectable));
 }
 
 #[bench]
-fn select_axis1(bench: &mut Bencher)
-{
+fn select_axis1(bench: &mut Bencher) {
     let a = Array::<f32, _>::zeros((256, 256));
     let selectable = vec![0, 1, 2, 0, 1, 3, 0, 4, 16, 32, 128, 147, 149, 220, 221, 255, 221, 0, 1];
     bench.iter(|| a.select(Axis(1), &selectable));
 }
 
 #[bench]
-fn select_1d(bench: &mut Bencher)
-{
+fn select_1d(bench: &mut Bencher) {
     let a = Array::<f32, _>::zeros(1024);
     let mut selectable = (0..a.len()).step_by(17).collect::<Vec<_>>();
     selectable.extend(selectable.clone().iter().rev());