chore: resolve new clippy warnings (#1066)

Author: vil02

src/bit_manipulation/binary_count_trailing_zeros.rs

@@ -49,7 +49,7 @@ pub fn binary_count_trailing_zeros_bitwise(num: u64) -> u32 {
         return 0;
     }
 
-    let rightmost_set_bit = num & (num.wrapping_neg());
+    let rightmost_set_bit = num.isolate_lowest_one();
     rightmost_set_bit.ilog2()
 }
 

src/bit_manipulation/rightmost_set_bit.rs

@@ -44,7 +44,7 @@ pub fn index_of_rightmost_set_bit(num: i32) -> Result<u32, String> {
     }
 
     // Isolate the rightmost set bit using n & -n
-    let rightmost_bit = num & -num;
+    let rightmost_bit = num.isolate_lowest_one();
 
     // Calculate position: log2(rightmost_bit) + 1
     // We use trailing_zeros which gives us the 0-based position
@@ -72,7 +72,7 @@ pub fn index_of_rightmost_set_bit_log(num: i32) -> Result<u32, String> {
     }
 
     // Isolate the rightmost set bit
-    let rightmost_bit = num & -num;
+    let rightmost_bit = num.isolate_lowest_one();
 
     // Use f64 log2 and convert to position
     let position = (rightmost_bit as f64).log2() as u32 + 1;

src/financial/exponential_moving_average.rs

@@ -50,7 +50,7 @@ pub fn exponential_moving_average(
                 if i == 0 {
                     stock_price
                 } else {
-                    (*moving_average + stock_price) * 0.5
+                    f64::midpoint(*moving_average, stock_price)
                 }
             } else {
                 // Apply exponential smoothing formula

src/hashing/md5.rs

@@ -47,7 +47,7 @@ pub fn md5(input: &[u8]) -> [u8; 16] {
     msg.extend_from_slice(&bit_len.to_le_bytes());
 
     // --- Processing: 512-bit (64-byte) chunks ---
-    for chunk in msg.chunks_exact(64) {
+    for chunk in msg.as_chunks::<64>().0 {
         // Break chunk into 16 little-endian 32-bit words
         let mut m = [0u32; 16];
         for (i, word) in m.iter_mut().enumerate() {

src/hashing/sha2.rs

@@ -124,8 +124,8 @@ fn sha256_compress(state: &mut [u32; 8], block: &[u8; 64]) {
 
 fn sha256_hash(msg: &[u8], mut state: [u32; 8]) -> [u32; 8] {
     let padded = sha256_pad(msg);
-    for chunk in padded.chunks_exact(64) {
-        sha256_compress(&mut state, chunk.try_into().unwrap());
+    for chunk in padded.as_chunks::<64>().0 {
+        sha256_compress(&mut state, chunk);
     }
     state
 }
@@ -271,8 +271,8 @@ fn sha512_compress(state: &mut [u64; 8], block: &[u8; 128]) {
 
 fn sha512_hash(msg: &[u8], mut state: [u64; 8]) -> [u64; 8] {
     let padded = sha512_pad(msg);
-    for chunk in padded.chunks_exact(128) {
-        sha512_compress(&mut state, chunk.try_into().unwrap());
+    for chunk in padded.as_chunks::<128>().0 {
+        sha512_compress(&mut state, chunk);
     }
     state
 }

src/math/trapezoidal_integration.rs

@@ -9,7 +9,7 @@ where
             let left_side = a + (delta * trapezoid as f64);
             let right_side = left_side + delta;
 
-            0.5 * (f(left_side) + f(right_side)) * delta
+            f64::midpoint(f(left_side), f(right_side)) * delta
         })
         .sum()
 }