From 426755eb6f3efe653ee153cdf96bdced5d893ef0 Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Tue, 2 May 2017 23:23:37 +0200
Subject: [PATCH] Comment on std::clamp
---
dune/solvers/common/interval.hh | 3 +++
1 file changed, 3 insertions(+)
diff --git a/dune/solvers/common/interval.hh b/dune/solvers/common/interval.hh
index 69524020..f46d1599 100644
--- a/dune/solvers/common/interval.hh
+++ b/dune/solvers/common/interval.hh
@@ -61,6 +61,9 @@ public:
*/
field_type projectIn(const field_type& x) const
{
+ // NB: C++17 has std::clamp(x, data_[0], data_[1]).
+ // Note, however, that we need to guarantee neither
+ // data_[0] nor data_[1] is NaN then.
return std::max(std::min(x,data_[1]), data_[0]);
}
--
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