From 41277aa0bdb1ce7f611881ac7458b99ce0ff3ebc Mon Sep 17 00:00:00 2001
From: Giovanni Bussi <giovanni.bussi@gmail.com>
Date: Fri, 26 Aug 2022 15:21:13 +0200
Subject: [PATCH] another small portability fix

see: https://github.com/plumed/plumed2/commit/0fee81f1062a47b767d5fc2aaddb1a4024e71e8c#commitcomment-82273698

cc: @tonigi
---
 src/tools/OpenMP.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tools/OpenMP.h b/src/tools/OpenMP.h
index 7c7f7dcc28..7715ac47ff 100644
--- a/src/tools/OpenMP.h
+++ b/src/tools/OpenMP.h
@@ -54,7 +54,7 @@ class OpenMP {
 
 template<typename T>
 unsigned OpenMP::getGoodNumThreads(const T*x,unsigned n) {
-  unsigned long p=(unsigned long) x;
+  unsigned long long p=(unsigned long long) x;
   (void) p; // this is not to have warnings. notice that the pointer location is not used actually.
 // a factor two is necessary since there is no guarantee that x is aligned
 // to cache line boundary