refactor: clean up by using cfg-if where possible

Signed-off-by: Stephen Waits <steve@waits.net>

src/height_vector.rs

@@ -53,13 +53,15 @@ use crate::vector::{self, Vector};
 // **** Features ****
 //
 
-/// `FloatType` is a type alias for either `f32` or `f64` depending on cargo features
-#[cfg(feature = "f32")]
-type FloatType = f32;
-
-/// `FloatType` is a type alias for either `f32` or `f64` depending on cargo features
-#[cfg(not(feature = "f32"))]
-type FloatType = f64;
+cfg_if::cfg_if! {
+    if #[cfg(feature = "f32")] {
+        /// `FloatType` is a type alias for either `f32` or `f64` depending on cargo features
+        type FloatType = f32;
+    } else {
+        /// `FloatType` is a type alias for either `f32` or `f64` depending on cargo features
+        type FloatType = f64;
+    }
+}
 
 //
 // **** Constants ****
@@ -263,6 +265,7 @@ mod tests {
         }
 
         #[test]
+        #[allow(clippy::cast_lossless)]
         fn proptest_add(x0 in -1_000_000_000..1_000_000_000i32, y0 in -1_000_000_000..1_000_000_000i32, h0 in 0..1_000_000_000i32, x1 in -1_000_000_000..1_000_000_000i32, y1 in -1_000_000_000..1_000_000_000i32, h1 in 0..1_000_000i32) {
             // convert our integer range inputs to FloatType
             let (fx0,fy0,fh0) = (x0 as FloatType / 1_000.0, y0 as FloatType / 1_000.0, h0 as FloatType / 1_000.0);
@@ -277,6 +280,7 @@ mod tests {
         }
 
         #[test]
+        #[allow(clippy::cast_lossless)]
         fn proptest_sub(x0 in -1_000_000_000..1_000_000_000i32, y0 in -1_000_000_000..1_000_000_000i32, h0 in 0..1_000_000_000i32, x1 in -1_000_000_000..1_000_000_000i32, y1 in -1_000_000_000..1_000_000_000i32, h1 in 0..1_000_000i32) {
             // convert our integer range inputs to FloatType
             let (fx0,fy0,fh0) = (x0 as FloatType / 1_000.0, y0 as FloatType / 1_000.0, h0 as FloatType / 1_000.0);
@@ -291,6 +295,7 @@ mod tests {
         }
 
         #[test]
+        #[allow(clippy::cast_lossless)]
         fn proptest_mul(x in -1_000_000_000..1_000_000_000i32, y in -1_000_000_000..1_000_000_000i32, h in 0..1_000_000_000i32, m in -1_000_000_000..1_000_000_000i32) {
             // convert our integer range inputs to FloatType
             let (fx,fy,fh,fm) = (x as FloatType / 1_000.0, y as FloatType / 1_000.0, h as FloatType / 1_000.0, m as FloatType / 1_000.0);

src/network_coordinate.rs

@@ -124,11 +124,13 @@ impl<const N: usize> NetworkCoordinate<N> {
     #[must_use]
     pub fn estimated_rtt(&self, rhs: &Self) -> Duration {
         // estimated rss is euclidean distance between the two plus the sum of the heights
-        #[cfg(feature = "f32")]
-        return Duration::from_secs_f32((self.heightvec - rhs.heightvec).len() / 1000.0);
-
-        #[cfg(not(feature = "f32"))]
-        return Duration::from_secs_f64((self.heightvec - rhs.heightvec).len() / 1000.0);
+        cfg_if::cfg_if! {
+            if #[cfg(feature = "f32")] {
+                Duration::from_secs_f32((self.heightvec - rhs.heightvec).len() / 1000.0)
+            } else {
+                Duration::from_secs_f64((self.heightvec - rhs.heightvec).len() / 1000.0)
+            }
+        }
     }
 
     /// Given another Vivaldi [`NetworkCoordinate`], adjust our coordinateto better represent the actual round
@@ -190,15 +192,15 @@ impl<const N: usize> NetworkCoordinate<N> {
     ///
     pub fn update(&mut self, rhs: &Self, rtt: Duration) -> &Self {
         // convert Durations into FloatType as fractional milliseconds for convenience
-        #[cfg(feature = "f32")]
-        let rtt_ms = rtt.as_secs_f32() * 1000.0;
-        #[cfg(feature = "f32")]
-        let rtt_estimated_ms = self.estimated_rtt(rhs).as_secs_f32() * 1000.0;
-
-        #[cfg(not(feature = "f32"))]
-        let rtt_ms = rtt.as_secs_f64() * 1000.0;
-        #[cfg(not(feature = "f32"))]
-        let rtt_estimated_ms = self.estimated_rtt(rhs).as_secs_f64() * 1000.0;
+        cfg_if::cfg_if! {
+            if #[cfg(feature = "f32")] {
+                let rtt_ms = rtt.as_secs_f32() * 1000.0;
+                let rtt_estimated_ms = self.estimated_rtt(rhs).as_secs_f32() * 1000.0;
+            } else {
+                let rtt_ms = rtt.as_secs_f64() * 1000.0;
+                let rtt_estimated_ms = self.estimated_rtt(rhs).as_secs_f64() * 1000.0;
+            }
+        }
 
         // rtt needs to be positive
         if rtt_ms < 0.0 {