Allows benchmarks that do not use linspace to run on no_std (#1495)

Author: akern40

benches/bench1.rs

@@ -982,6 +982,7 @@ fn dot_extended(bench: &mut test::Bencher)
 
 const MEAN_SUM_N: usize = 127;
 
+#[cfg(feature = "std")]
 fn range_mat(m: Ix, n: Ix) -> Array2<f32>
 {
     assert!(m * n != 0);
@@ -990,27 +991,31 @@ fn range_mat(m: Ix, n: Ix) -> Array2<f32>
         .unwrap()
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn mean_axis0(bench: &mut test::Bencher)
 {
     let a = range_mat(MEAN_SUM_N, MEAN_SUM_N);
     bench.iter(|| a.mean_axis(Axis(0)));
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn mean_axis1(bench: &mut test::Bencher)
 {
     let a = range_mat(MEAN_SUM_N, MEAN_SUM_N);
     bench.iter(|| a.mean_axis(Axis(1)));
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn sum_axis0(bench: &mut test::Bencher)
 {
     let a = range_mat(MEAN_SUM_N, MEAN_SUM_N);
     bench.iter(|| a.sum_axis(Axis(0)));
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn sum_axis1(bench: &mut test::Bencher)
 {

benches/construct.rs

@@ -19,6 +19,7 @@ fn zeros_f64(bench: &mut Bencher)
     bench.iter(|| Array::<f64, _>::zeros((128, 128)))
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn map_regular(bench: &mut test::Bencher)
 {
@@ -28,6 +29,7 @@ fn map_regular(bench: &mut test::Bencher)
     bench.iter(|| a.map(|&x| 2. * x));
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn map_stride(bench: &mut test::Bencher)
 {

benches/higher-order.rs

@@ -12,6 +12,7 @@ const N: usize = 1024;
 const X: usize = 64;
 const Y: usize = 16;
 
+#[cfg(feature = "std")]
 #[bench]
 fn map_regular(bench: &mut Bencher)
 {
@@ -26,6 +27,7 @@ pub fn double_array(mut a: ArrayViewMut2<'_, f64>)
     a *= 2.0;
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn map_stride_double_f64(bench: &mut Bencher)
 {
@@ -38,6 +40,7 @@ fn map_stride_double_f64(bench: &mut Bencher)
     });
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn map_stride_f64(bench: &mut Bencher)
 {
@@ -48,6 +51,7 @@ fn map_stride_f64(bench: &mut Bencher)
     bench.iter(|| av.map(|&x| 2. * x));
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn map_stride_u32(bench: &mut Bencher)
 {
@@ -59,6 +63,7 @@ fn map_stride_u32(bench: &mut Bencher)
     bench.iter(|| av.map(|&x| 2 * x));
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn fold_axis(bench: &mut Bencher)
 {

benches/iter.rs

@@ -45,6 +45,7 @@ fn iter_sum_2d_transpose(bench: &mut Bencher)
     bench.iter(|| a.iter().sum::<i32>());
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn iter_filter_sum_2d_u32(bench: &mut Bencher)
 {
@@ -55,6 +56,7 @@ fn iter_filter_sum_2d_u32(bench: &mut Bencher)
     bench.iter(|| b.iter().filter(|&&x| x < 75).sum::<u32>());
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn iter_filter_sum_2d_f32(bench: &mut Bencher)
 {
@@ -65,6 +67,7 @@ fn iter_filter_sum_2d_f32(bench: &mut Bencher)
     bench.iter(|| b.iter().filter(|&&x| x < 75.).sum::<f32>());
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn iter_filter_sum_2d_stride_u32(bench: &mut Bencher)
 {
@@ -76,6 +79,7 @@ fn iter_filter_sum_2d_stride_u32(bench: &mut Bencher)
     bench.iter(|| b.iter().filter(|&&x| x < 75).sum::<u32>());
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn iter_filter_sum_2d_stride_f32(bench: &mut Bencher)
 {
@@ -87,6 +91,7 @@ fn iter_filter_sum_2d_stride_f32(bench: &mut Bencher)
     bench.iter(|| b.iter().filter(|&&x| x < 75.).sum::<f32>());
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn iter_rev_step_by_contiguous(bench: &mut Bencher)
 {
@@ -98,6 +103,7 @@ fn iter_rev_step_by_contiguous(bench: &mut Bencher)
     });
 }
 
+#[cfg(feature = "std")]
 #[bench]
 fn iter_rev_step_by_discontiguous(bench: &mut Bencher)
 {

benches/numeric.rs

@@ -9,6 +9,7 @@ const N: usize = 1024;
 const X: usize = 64;
 const Y: usize = 16;
 
+#[cfg(feature = "std")]
 #[bench]
 fn clip(bench: &mut Bencher)
 {

src/linalg/impl_linalg.rs

@@ -1071,7 +1071,6 @@ mod blas_tests
 
         for stride in 1..=MAXSTRIDE {
             let m = ArrayView::from_shape((N, N).strides((stride, 1)), &data).unwrap();
-            eprintln!("{:?}", m);
 
             if stride < N {
                 assert_eq!(get_blas_compatible_layout(&m), None);