From 87e32bc3fc4f0251235f0a546e405b9ce3dce267 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me?= <jerome.tabeaud@gmail.com>
Date: Mon, 1 Apr 2019 16:18:34 +0200
Subject: [PATCH] Added sureAbs() template so that we are sure to not cast a
 double to an int using ::abs() instead of std::abs().

---
 utils.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utils.hpp b/utils.hpp
index 14088ab..376a6b4 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -14,6 +14,9 @@
 template<typename T, typename T2> auto min(const T & a, const T2 & b) -> decltype(a | b) { return (a < b) ? T(a) : T(b); }
 template<typename T, typename T2> auto max(const T & a, const T2 & b) -> decltype(a | b) { return (a < b) ? T(b) : T(a); }
 
+/// To be sure that floating point numbers won't be casted to integers in ::abs()...
+template<typename T> T sureAbs(const T & x) { return (x < T(0)) ? -x : x; }
+
 template<typename T, template<class,class...> class C, class... Args>
 std::ostream& operator<<(std::ostream& os, const C<T,Args...>& objs)
 {