From d34a1f6e52944f6d25e5c75d63989630ec552614 Mon Sep 17 00:00:00 2001
From: Jonas Schulze <jonas.schulze@st.ovgu.de>
Date: Wed, 10 Jan 2018 17:34:01 +0100
Subject: [PATCH] Update inner loop

---
 primes.swift | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/primes.swift b/primes.swift
index e8505f8..8b594c9 100644
--- a/primes.swift
+++ b/primes.swift
@@ -16,8 +16,10 @@ func get_primes7(_ n: Int) -> [Int] {
   var m = 3
   while m <= mroot {
     if s[i] != 0 {
-      for j in stride(from: (m*m - 3) / 2, to: half, by: m) {
+      var j: Int = (m*m - 3) / 2
+      while j < half {
         s[j] = 0
+        j += m
       }
     }
     i += 1