add sum() to IntList and FloatList (#1893)

benfry · benfry · commit ebf5dbaabf5b · 2013-08-07T19:07:09.000-04:00
diff --git a/core/src/processing/data/FloatList.java b/core/src/processing/data/FloatList.java
@@ -533,6 +533,15 @@ public int maxIndex() {
   }
 
 
+  public float sum() {
+    double outgoing = 0;
+    for (int i = 0; i < count; i++) {
+      outgoing += data[i];
+    }
+    return (float) outgoing;
+  }
+
+
   /**
    * Sorts the array in place.
    *
diff --git a/core/src/processing/data/IntList.java b/core/src/processing/data/IntList.java
@@ -499,6 +499,15 @@ public int maxIndex() {
   }
 
 
+  public int sum() {
+    int outgoing = 0;
+    for (int i = 0; i < count; i++) {
+      outgoing += data[i];
+    }
+    return outgoing;
+  }
+
+
   /**
    * Sorts the array in place.
    *
diff --git a/core/todo.txt b/core/todo.txt
@@ -18,6 +18,8 @@ X   prevents speed/performance issues with old sketches on retina macs
 X add error message for raspberry pi (and others?) about int buffers
 X   https://github.com/processing/processing/issues/2010
 X   not fixed, but made notes there about how to handle
+X add sum() to IntList and FloatList
+X   https://github.com/processing/processing/issues/1893
 
 _ add option to have full screen span across screens
 _   display=all in cmd line
