From 8c97d0ec4e621bda0266031198644db238b2103f Mon Sep 17 00:00:00 2001
From: Markus Blatt <markus@dr-blatt.de>
Date: Thu, 10 Oct 2024 16:18:46 +0200
Subject: [PATCH] Hopefully improve comment about complex/singlecomplex
---
dune/istl/superlufunctions.hh | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/dune/istl/superlufunctions.hh b/dune/istl/superlufunctions.hh
index 36b33f79b..ef307d4d3 100644
--- a/dune/istl/superlufunctions.hh
+++ b/dune/istl/superlufunctions.hh
@@ -59,8 +59,10 @@ extern "C" {
#if __has_include("slu_cdefs.h")
#ifndef SUPERLU_TYPEDEF_COMPLEX
-// For now let's keep backwards compatible and let
-// complex be a typedef of doublecomplex
+// Per default SuperLU >= 7.0.0. does not provide
+// a type complex anymore. By setting SUPERLU_TYPEDEF_COMPLEX
+// we tell SuperLU to define complex to be the same as the
+// new type singlecomplex
#define SUPERLU_TYPEDEF_COMPLEX
#endif
#include "slu_scomplex.h"
--
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