From ff4854e0b8f2b905d75a12c2c73309d0c05a7663 Mon Sep 17 00:00:00 2001
From: Oleksii Trekhleb <trehleb@gmail.com>
Date: Thu, 9 Aug 2018 16:04:59 +0300
Subject: [PATCH] Simplify PolynomialHash function.

---
 .../cryptography/polynomial-hash/PolynomialHash.js         | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/algorithms/cryptography/polynomial-hash/PolynomialHash.js b/src/algorithms/cryptography/polynomial-hash/PolynomialHash.js
index 858faab9..ba066c31 100644
--- a/src/algorithms/cryptography/polynomial-hash/PolynomialHash.js
+++ b/src/algorithms/cryptography/polynomial-hash/PolynomialHash.js
@@ -25,8 +25,7 @@ export default class PolynomialHash {
     let hash = 0;
     for (let charIndex = 0; charIndex < charCodes.length; charIndex += 1) {
       hash *= this.base;
-      hash %= this.modulus;
-      hash += charCodes[charIndex] % this.modulus;
+      hash += charCodes[charIndex];
       hash %= this.modulus;
     }
 
@@ -61,11 +60,9 @@ export default class PolynomialHash {
 
     hash += this.modulus;
     hash -= (prevValue * prevValueMultiplier) % this.modulus;
-    hash %= this.modulus;
 
     hash *= this.base;
-    hash %= this.modulus;
-    hash += newValue % this.modulus;
+    hash += newValue;
     hash %= this.modulus;
 
     return hash;