Fix benches

Author: jturner314

benches/bench1.rs

@@ -319,7 +319,7 @@ fn add_2d_zip_alloc(bench: &mut test::Bencher)
     bench.iter(|| {
         unsafe {
             let mut c = Array::uninitialized(a.dim());
-            azip!(a, b, mut c in { *c = a + b });
+            azip!((&a in &a, &b in &b, c in &mut c) *c = a + b);
             c
         }
     });

benches/chunks.rs

@@ -14,7 +14,7 @@ fn chunk2x2_iter_sum(bench: &mut Bencher)
     let chunksz = (2, 2);
     let mut sum = Array::zeros(a.exact_chunks(chunksz).raw_dim());
     bench.iter(|| {
-        azip!(ref a (a.exact_chunks(chunksz)), mut sum in {
+        azip!((a in a.exact_chunks(chunksz), sum in &mut sum) {
             *sum = a.iter().sum::<f32>();
         });
     });
@@ -27,7 +27,7 @@ fn chunk2x2_sum(bench: &mut Bencher)
     let chunksz = (2, 2);
     let mut sum = Array::zeros(a.exact_chunks(chunksz).raw_dim());
     bench.iter(|| {
-        azip!(ref a (a.exact_chunks(chunksz)), mut sum in {
+        azip!((a in a.exact_chunks(chunksz), sum in &mut sum) {
             *sum = a.sum();
         });
     });

benches/iter.rs

@@ -158,7 +158,7 @@ fn sum_3_azip(bench: &mut Bencher)
     let c = vec![1; ZIPSZ];
     bench.iter(|| {
         let mut s = 0;
-        azip!(a, b, c in {
+        azip!((&a in &a, &b in &b, &c in &c) {
             s += a + b + c;
         });
         s
@@ -185,7 +185,7 @@ fn vector_sum_3_azip(bench: &mut Bencher)
     let b = vec![1.; ZIPSZ];
     let mut c = vec![1.; ZIPSZ];
     bench.iter(|| {
-        azip!(a, b, mut c in {
+        azip!((&a in &a, &b in &b, c in &mut c) {
             *c += a + b;
         });
     });

benches/par_rayon.rs

@@ -135,7 +135,7 @@ fn add(bench: &mut Bencher)
     let c = Array2::<f64>::zeros((ADDN, ADDN));
     let d = Array2::<f64>::zeros((ADDN, ADDN));
     bench.iter(|| {
-        azip!(mut a, b, c, d in {
+        azip!((a in &mut a, &b in &b, &c in &c, &d in &d) {
             *a += b.exp() + c.exp() + d.exp();
         });
     });