fix: use standard golden ratio constant

Cargo.toml

@@ -46,6 +46,7 @@ perf = { level = "deny", priority = -1 }
 cargo = { level = "deny", priority = -1 }
 todo = "deny"
 unwrap_used = "deny"
+assert_is_empty = "allow"
 doc_markdown = "allow"
 struct_excessive_bools = "allow"
 case_sensitive_file_extension_comparisons = "allow"

synctv-xiu/src/flv/amf0/amf0_reader.rs

@@ -283,7 +283,7 @@ mod tests {
     fn test_byte_order() {
         use byteorder::{BigEndian, ByteOrder};
 
-        let phi = 1.618_033_988_7;
+        let phi = std::f64::consts::GOLDEN_RATIO;
         let mut buf = [0; 8];
         BigEndian::write_f64(&mut buf, phi);
         assert_eq!(phi.to_bits(), BigEndian::read_f64(&buf).to_bits());