Import macros directly instead of doing cfg_attr macro_use contortions

Author: TooManyBees

src/lib.rs

@@ -85,10 +85,8 @@ Lab 0.7.0 requires Rust >= 1.31.0 for the [chunks_exact](https://doc.rust-lang.o
 #[macro_use]
 extern crate pretty_assertions;
 #[cfg(test)]
-#[cfg_attr(all(target_arch = "x86_64", target_feature = "avx2"), macro_use)]
 extern crate approx;
 #[cfg(test)]
-#[cfg_attr(all(target_arch = "x86_64", target_feature = "avx2"), macro_use)]
 extern crate lazy_static;
 #[cfg(test)]
 extern crate rand;

src/simd/labs_to_rgbs.rs

@@ -247,7 +247,8 @@ unsafe fn simd_to_rgb_bytes(r: __m256, g: __m256, b: __m256) -> [u8; 8 * 3] {
 
 #[cfg(test)]
 mod test {
-    use super::super::super::{labs_to_rgbs, simd, Lab};
+    use crate::{labs_to_rgbs, simd, Lab};
+    use lazy_static::lazy_static;
     use rand;
     use rand::distributions::Standard;
     use rand::Rng;

src/simd/math.rs

@@ -189,6 +189,7 @@ pub unsafe fn powf256_ps(x: __m256, y: __m256) -> __m256 {
 #[cfg(test)]
 mod test {
     use super::{exp256_ps, log256_ps, powf256_ps};
+    use approx::assert_relative_eq;
     use std::arch::x86_64::*;
     use std::{f32, mem};
 

src/simd/rgbs_to_labs.rs

@@ -263,7 +263,9 @@ unsafe fn simd_to_lab_array(l: __m256, a: __m256, b: __m256) -> [Lab; 8] {
 
 #[cfg(test)]
 mod test {
-    use super::super::super::{rgbs_to_labs, simd};
+    use crate::{rgbs_to_labs, simd};
+    use approx::assert_relative_eq;
+    use lazy_static::lazy_static;
     use rand;
     use rand::distributions::Standard;
     use rand::Rng;