Enable the trait CoordXY for complex numbers

Author: Chris00

Cargo.toml

@@ -16,6 +16,7 @@ rust-version = "1.80"
 numpy = "0.23.0"
 ndarray = "0.16.1"
 curve-sampling = { version = "0.5", optional = true, git = "https://github.com/Chris00/rust-curve-sampling.git" }
+num-complex = { version = "0.4.6", optional = true }
 
 [dependencies.pyo3]
 version = "0.23.3"

src/lib.rs

@@ -810,6 +810,14 @@ impl CoordXY for [f64; 2] {
     fn y(&self) -> f64 { self[1] }
 }
 
+#[cfg(feature = "num-complex")]
+impl CoordXY for num_complex::Complex64 {
+    #[inline]
+    fn x(&self) -> f64 { self.re }
+    #[inline]
+    fn y(&self) -> f64 { self.im }
+}
+
 impl<'a, I> XYFrom<'a, I>
 where I: IntoIterator,
       <I as IntoIterator>::Item: CoordXY {