Initial data commit

Task/Arithmetic-Complex/Rust/arithmetic-complex.rust

@@ -0,0 +1,16 @@
+extern crate num;
+use num::complex::Complex;
+
+fn main() {
+    // two valid forms of definition
+    let a = Complex {re:-4.0, im: 5.0};
+    let b = Complex::new(1.0, 1.0);
+
+    println!("   a    = {}", a);
+    println!("   b    = {}", b);
+    println!(" a + b  = {}", a + b);
+    println!(" a * b  = {}", a * b);
+    println!(" 1 / a  = {}", a.inv());
+    println!("  -a    = {}", -a);
+    println!("conj(a) = {}", a.conj());
+}