From dd38c5523236a9fc3939a3956e3292f3635ed29d Mon Sep 17 00:00:00 2001
From: Magnus Ulimoen <flymagnus@gmail.com>
Date: Thu, 7 Nov 2019 20:41:49 +0100
Subject: [PATCH] clippy lints

---
 src/maxwell.rs           | 20 +++++++-------------
 src/operators/upwind4.rs | 12 ++++++------
 2 files changed, 13 insertions(+), 19 deletions(-)

diff --git a/src/maxwell.rs b/src/maxwell.rs
index eb8c806..fda2498 100644
--- a/src/maxwell.rs
+++ b/src/maxwell.rs
@@ -43,19 +43,18 @@ impl System {
         }
     }
 
-    pub fn advance<SBP>(&self, fut: &mut System, dt: f32, work_buffers: Option<&mut WorkBuffers>)
+    pub fn advance<SBP>(&self, fut: &mut Self, dt: f32, work_buffers: Option<&mut WorkBuffers>)
     where
         SBP: SbpOperator,
     {
         assert_eq!(self.ex.shape(), fut.ex.shape());
 
         let mut wb: WorkBuffers;
-        let (y, k) = match work_buffers {
-            Some(x) => (&mut x.y, &mut x.buf),
-            None => {
-                wb = WorkBuffers::new(self.ex.shape()[1], self.ex.shape()[0]);
-                (&mut wb.y, &mut wb.buf)
-            }
+        let (y, k) = if let Some(x) = work_buffers {
+            (&mut x.y, &mut x.buf)
+        } else {
+            wb = WorkBuffers::new(self.ex.shape()[1], self.ex.shape()[0]);
+            (&mut wb.y, &mut wb.buf)
         };
 
         for i in 0..4 {
@@ -65,12 +64,7 @@ impl System {
             y.2.assign(&self.ey);
             match i {
                 0 => {}
-                1 => {
-                    y.0.scaled_add(1.0 / 2.0 * dt, &k[i - 1].0);
-                    y.1.scaled_add(1.0 / 2.0 * dt, &k[i - 1].1);
-                    y.2.scaled_add(1.0 / 2.0 * dt, &k[i - 1].2);
-                }
-                2 => {
+                1 | 2 => {
                     y.0.scaled_add(1.0 / 2.0 * dt, &k[i - 1].0);
                     y.1.scaled_add(1.0 / 2.0 * dt, &k[i - 1].1);
                     y.2.scaled_add(1.0 / 2.0 * dt, &k[i - 1].2);
diff --git a/src/operators/upwind4.rs b/src/operators/upwind4.rs
index b89d0fe..a93451e 100644
--- a/src/operators/upwind4.rs
+++ b/src/operators/upwind4.rs
@@ -16,7 +16,7 @@ impl Upwind4 {
     ];
     const BLOCK: &'static [[f32; 7]] = &[
         [
-            -72.0 / 49.0f32,
+            -72.0 / 49.0_f32,
             187.0 / 98.0,
             -20.0 / 49.0,
             -3.0 / 98.0,
@@ -59,8 +59,8 @@ impl Upwind4 {
 
         let dx = 1.0 / (nx - 1) as f32;
 
-        let diag = arr1(Upwind4::DIAG);
-        let block = arr2(Upwind4::BLOCK);
+        let diag = arr1(Self::DIAG);
+        let block = arr2(Self::BLOCK);
 
         let first_elems = prev.slice(s!(..7));
         for i in 0..4 {
@@ -120,17 +120,17 @@ fn upwind4_test() {
 impl SbpOperator for Upwind4 {
     fn diffx(prev: ArrayView2<f32>, mut fut: ArrayViewMut2<f32>) {
         for j in 0..prev.shape()[0] {
-            Upwind4::diff(prev.slice(s!(j, ..)), fut.slice_mut(s!(j, ..)));
+            Self::diff(prev.slice(s!(j, ..)), fut.slice_mut(s!(j, ..)));
         }
     }
 
     fn diffy(prev: ArrayView2<f32>, mut fut: ArrayViewMut2<f32>) {
         for i in 0..prev.shape()[1] {
-            Upwind4::diff(prev.slice(s!(.., i)), fut.slice_mut(s!(.., i)));
+            Self::diff(prev.slice(s!(.., i)), fut.slice_mut(s!(.., i)));
         }
     }
 
     fn h() -> &'static [f32] {
-        Upwind4::HBLOCK
+        Self::HBLOCK
     }
 }