improvements thanks to cargo clippy

Author: bast

src/becke_partitioning.rs

@@ -85,7 +85,7 @@ pub fn partitioning_weight(
                 let u_ab = (r_a + r_b) / (r_b - r_a);
                 let a_ab = u_ab / (u_ab * u_ab - 1.0);
 
-                nu_ab += a_ab.min(0.5).max(-0.5) * (1.0 - mu_ab * mu_ab);
+                nu_ab += a_ab.clamp(-0.5, 0.5) * (1.0 - mu_ab * mu_ab);
             }
 
             let f = f3(nu_ab, hardness);

src/bse.rs

@@ -37,15 +37,15 @@ pub fn ang_min_and_max(basis_set: &str, element: usize) -> (HashMap<usize, f64>,
 
     let element = resp.elements.get(&element.to_string()).unwrap();
 
-    let mut alpha_max = -std::f64::MAX;
+    let mut alpha_max = -f64::MAX;
     let mut alpha_min = HashMap::new();
 
     for shell in &element.electron_shells {
         let angular_momentum = shell.angular_momentum[0];
         for exponent_string in &shell.exponents {
             let exponent: f64 = exponent_string.parse().unwrap();
             alpha_max = alpha_max.max(exponent);
-            let s = alpha_min.entry(angular_momentum).or_insert(std::f64::MAX);
+            let s = alpha_min.entry(angular_momentum).or_insert(f64::MAX);
             if &exponent < s {
                 *s = exponent;
             }

src/radial.rs

@@ -93,7 +93,7 @@ pub fn radial_grid_lmg(
     // factor 2.0 to match DIRAC code
     let r_inner = get_r_inner(radial_precision, alpha_max * 2.0);
 
-    let mut h = std::f64::MAX;
+    let mut h = f64::MAX;
     let mut r_outer: f64 = 0.0;
 
     // we need alpha_min sorted by l
@@ -160,7 +160,7 @@ fn test_get_r_inner() {
 // TCA 106, 178 (2001), eq. 19
 fn get_r_outer(max_error: f64, alpha_outer: f64, l: usize, guess: f64) -> f64 {
     let m = (2 * l) as f64;
-    let mut r_old = std::f64::MAX;
+    let mut r_old = f64::MAX;
     let mut step = 0.5;
     let mut sign = 1.0;
     let mut r = guess;
@@ -229,7 +229,7 @@ fn test_get_r_outer() {
 // TCA 106, 178 (2001), eqs. 17 and 18
 fn get_h(max_error: f64, l: usize, guess: f64) -> f64 {
     let m = (2 * l) as f64;
-    let mut h_old = std::f64::MAX;
+    let mut h_old = f64::MAX;
     let mut h = guess;
     let mut step = 0.1 * guess;
     let mut sign = -1.0;

src/tables/weights.rs

@@ -1,6 +1,6 @@
 #![allow(clippy::unreadable_literal)]
 
-pub const WEIGHTS: [f64; 46976] = [
+pub static WEIGHTS: [f64; 46976] = [
     0.166666666666667,
     0.166666666666667,
     0.166666666666667,