add human-readable indices (starting at 1)

src/matrix/auto.clj

@@ -68,7 +68,6 @@
      []
      (let [steps (back-sub-column m col)
            new   (apply-all-at-once m steps)]
-       (println new)
        (concat steps (back-sub new (dec col)))))))
 
 (defn auto-steps-and-final

src/matrix/core.clj

@@ -13,7 +13,7 @@
     (println "Steps:")
     ;; (for [step steps]
     ;;   (println (pretty-row-op step)))
-    (println (str/join "\n" (map pretty-row-op steps)))
+    (println (str/join "\n" (map with-inc-row-indices steps)))
     (println "Final:")
     (pprint-matrix final)))
 

src/matrix/render.clj

@@ -169,11 +169,25 @@
          " + "
          "R" (shrink-number (:to-row op)))))
 
+(defn with-inc-row-indices
+  "Prettify a row-op with human-readable-indices"
+  [op]
+  (if-let [[op-type inner] (conform op)]
+    (case op-type
+      :swap (pretty-swap (-> inner
+                             (update :swap + 1)
+                             (update :with + 1)))
+      :add  (pretty-add  (-> inner
+                             (update :add-row + 1)
+                             (update :to-row  + 1)))
+      :mul  (pretty-mul  (update inner :mul-row + 1)))))
+
 (defn pretty-row-op
   "Returns a pretty string of a row operation"
-  [op]
+  ([op]
    (if-let [[op-type inner] (conform op)]
      (case op-type
        :swap (pretty-swap inner)
        :mul  (pretty-mul  inner)
        :add  (pretty-add  inner))))
+  ([op _] (with-inc-row-indices op)))