#!/usr/bin/env ruby
require("gsl")

a = Vector.alloc(1, 2, 3, 4, 5)
b = Vector.alloc(6, 7, 8, 9, 10)

p a + b
p a

a += b
p a

a -= b
p a

p a + 2
p a

a += 2
p a

a -= 2
p a

p 2 + a
p a

p 5 - a
p a