Ruby examples added.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@853 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/ruby/value/runme.rb

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+# file: runme.rb
+
+require 'example'
+
+# Create a couple of a vectors
+
+v = Example::new_Vector(1, 2, 3)
+w = Example::new_Vector(10, 11, 12)
+
+print "I just created the following vectors\n"
+Example::vector_print(v)
+Example::vector_print(w)
+
+# Now call some of our functions
+
+print "\nNow I'm going to compute the dot product\n"
+d = Example::dot_product(v,w)
+print "dot product = #{d} (should be 68)\n"
+
+# Add the vectors together
+
+print "\nNow I'm going to add the vectors together\n"
+r = Example::vector_add(v,w)
+Example::vector_print(r)
+print "The value should be (11, 13, 15)\n"
+
+# Now I'd better clean up the return result r
+
+print "\nNow I'm going to clean up the return result\n"
+Example::free(r)
+
+print "Good\n"