From 30a1d9fd63efbe89f2d2276109d8b95b966501fa Mon Sep 17 00:00:00 2001
From: Ulrich Bauer <mail@ulrich-bauer.org>
Date: Sat, 13 Jul 2019 17:29:35 +0200
Subject: added missing header

---
 ripser.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ripser.cpp b/ripser.cpp
index 70430eb..51b3d9e 100644
--- a/ripser.cpp
+++ b/ripser.cpp
@@ -46,6 +46,7 @@
 #include <algorithm>
 #include <cassert>
 #include <chrono>
+#include <cmath>
 #include <fstream>
 #include <iostream>
 #include <numeric>
-- 
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