From 33b25d65e2acbc7a1e79d5dc8dc82d0efa3028e7 Mon Sep 17 00:00:00 2001
From: scott snyder <sss@karma>
Date: Fri, 6 Nov 2020 10:26:56 -0500
Subject: [PATCH] TrkVKalVrtCore: Fix compilation with clang.

Inconsistent function declarations.
---
 Tracking/TrkVertexFitter/TrkVKalVrtCore/src/VKvFast.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Tracking/TrkVertexFitter/TrkVKalVrtCore/src/VKvFast.cxx b/Tracking/TrkVertexFitter/TrkVKalVrtCore/src/VKvFast.cxx
index aeee7bd4eeb..d25bb4556d8 100755
--- a/Tracking/TrkVertexFitter/TrkVKalVrtCore/src/VKvFast.cxx
+++ b/Tracking/TrkVertexFitter/TrkVKalVrtCore/src/VKvFast.cxx
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
 
 #include "TrkVKalVrtCore/CommonPars.h"
@@ -18,7 +18,7 @@ namespace Trk {
 
 void vkvfast_(double *p1, double *p2, double *dbmag, double *out)
 {
-    void vkvFastV(double*, double*, double* vRef, double, double *out);
+    double vkvFastV(double*, double*, double* vRef, double, double *out);
     vkvFastV(p1, p2, nullptr, (*dbmag), out);   }
 
 
-- 
GitLab