Initial data commit

Task/Dot-product/NetRexx/dot-product.netrexx

@@ -0,0 +1,21 @@
+/* NetRexx */
+options replace format comments java crossref savelog symbols binary
+
+whatsTheVectorVictor = [[double 1.0, 3.0, -5.0], [double 4.0, -2.0, -1.0]]
+dotProduct = Rexx dotProduct(whatsTheVectorVictor)
+say dotProduct.format(null, 2)
+
+return
+
+method dotProduct(vec1 = double[], vec2 = double[]) public constant returns double signals IllegalArgumentException
+  if vec1.length \= vec2.length then signal IllegalArgumentException('Vectors must be the same length')
+
+  scalarProduct = double 0.0
+  loop e_ = 0 to vec1.length - 1
+    scalarProduct = vec1[e_] * vec2[e_] + scalarProduct
+    end e_
+
+  return scalarProduct
+
+method dotProduct(vecs = double[,]) public constant returns double signals IllegalArgumentException
+  return dotProduct(vecs[0], vecs[1])