From 063d290bd88aa30e747caf94a679b3421edd454d Mon Sep 17 00:00:00 2001
From: Alessandro Lupo <Alessandro.Lupo@ed.ac.uk>
Date: Fri, 23 Jun 2023 11:11:20 +0100
Subject: [PATCH] missing function

---
 Grid/qcd/utils/GaugeGroup.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Grid/qcd/utils/GaugeGroup.h b/Grid/qcd/utils/GaugeGroup.h
index 1c59078f..117fa343 100644
--- a/Grid/qcd/utils/GaugeGroup.h
+++ b/Grid/qcd/utils/GaugeGroup.h
@@ -429,11 +429,21 @@ template <int N>
 static void ProjectSUn(Lattice<iScalar<iScalar<iMatrix<vComplexD, N> > > > &Umu) {
     GaugeGroup<N,GroupName::SU>::ProjectOnSpecialGroup(Umu);
 }
+  
+template <int N>
+static void ProjectSUn(Lattice<iVector<iScalar<iMatrix<vComplexD, N> >,Nd> > &U) {
+    GaugeGroup<N,GroupName::SU>::ProjectOnSpecialGroup(U);
+}
     
 template <int N>
 static void ProjectSpn(Lattice<iScalar<iScalar<iMatrix<vComplexD, N> > > > &Umu) {
     GaugeGroup<N,GroupName::Sp>::ProjectOnSpecialGroup(Umu);
 }
+    
+template <int N>
+static void ProjectSpn(Lattice<iVector<iScalar<iMatrix<vComplexD, N> >,Nd> > &U) {
+    GaugeGroup<N,GroupName::Sp>::ProjectOnSpecialGroup(U);
+}
 
 // Explicit specialisation for SU(3).
 static void ProjectSU3(