From 523f2fc0b6acff214a03d08f96f86926559d22fe Mon Sep 17 00:00:00 2001
From: Micke Nordin <mik@elnord.in>
Date: Sat, 18 Apr 2020 10:37:53 +0200
Subject: [PATCH] Add subtraction

---
 cnumber.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cnumber.hpp b/cnumber.hpp
index 81b0e29..09e7e79 100644
--- a/cnumber.hpp
+++ b/cnumber.hpp
@@ -28,7 +28,11 @@ class cnumber {
 
 		// Operators
 		cnumber operator+(const cnumber &that) {
-			cnumber z(that.r + this->r, that.i + this->i);
+			cnumber z(this->r + that.r, this->i + that.i);
+			return z;
+		}
+		cnumber operator-(const cnumber &that) {
+			cnumber z(this->r - that.r, this->i - that.i);
 			return z;
 		}
 		cnumber operator*(const cnumber &that) {