Add bin and edit workflow

bin/gems/facets-3.1.0/test/standard/math/test_sinc.rb

@@ -0,0 +1,15 @@
+require 'facets/math/sinc'
+
+test_case Math do
+
+  class_method :sinc do
+    test do
+      Math.sinc( 0.0).assert == 1.0
+      Math.sinc( 1.0).assert == Math.sin(1.0)
+      Math.sinc(-1.0).assert == Math.sin(1.0)
+      Math.sinc( 2.0).assert == 0.5 * Math.sin(2.0)
+      Math.sinc(-2.0).assert == 0.5 * Math.sin(2.0)
+    end
+  end
+
+end