From db0f3c71043fed4a49e2760359b8ac1d2fb1123d Mon Sep 17 00:00:00 2001
From: Charles Dickens <charlieadickens@gmail.com>
Date: Mon, 10 Jun 2024 08:37:41 -0700
Subject: [PATCH] Sum methods in MathUtils.java.

---
 .../java/org/linqs/psl/util/MathUtils.java    | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/psl-core/src/main/java/org/linqs/psl/util/MathUtils.java b/psl-core/src/main/java/org/linqs/psl/util/MathUtils.java
index 7a56de10c..2e02ad48d 100644
--- a/psl-core/src/main/java/org/linqs/psl/util/MathUtils.java
+++ b/psl-core/src/main/java/org/linqs/psl/util/MathUtils.java
@@ -221,6 +221,26 @@ public static void toMagnitude(float[] vector, double magnitude) {
         }
     }
 
+    /**
+     * Compute the sum of the provided vector.
+     */
+    public static float sum(float[] vector) {
+        float sum = 0.0f;
+        for (float v : vector) {
+            sum += v;
+        }
+        return sum;
+    }
+
+
+    public static double sum(double[] vector) {
+        double sum = 0.0;
+        for (double v : vector) {
+            sum += v;
+        }
+        return sum;
+    }
+
     /**
      * Compute the p-norm of the provided vector.
      */