Added multiplication of two numbers

We are using an easy to implemented but extremely slow algorithm to
compute the multiplication of two numbers of size n.

Signed-off-by: Olivier Gayot <og@satcom1.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/number.cpp b/number.cpp
index 57dbcae..fcc6dc0 100644
--- a/number.cpp
+++ b/number.cpp
@@ -92,6 +92,18 @@ number::operator+(const number &n) const
     return result;
 }
 
+number
+number::operator*(const number &n) const
+{
+    number result;
+
+    for (number i; i < n; ++i) {
+        result += *this;
+    }
+
+    return result;
+}
+
 /* }}} */
 /* Comparison operators {{{ */