From 55f467e24dd9e54268d1e4f090f974b599c20977 Mon Sep 17 00:00:00 2001
From: Peter Steinbach <steinbac@mpi-cbg.de>
Date: Mon, 27 Mar 2017 14:22:56 +0200
Subject: [PATCH] moved experimental dot product implementation of dot_impl
 which is build only if -DHC_DEVELOP is given

---
 HC.make      |  2 --
 HCStream.cpp | 11 ++++++++++-
 HCStream.h   |  1 +
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/HC.make b/HC.make
index 7a37576..1694a35 100644
--- a/HC.make
+++ b/HC.make
@@ -3,8 +3,6 @@
 
 HCC = hcc
 
-
-
 CXXFLAGS+=-hc -stdlib=libc++ -I/opt/rocm/hcc-lc/include
 LDFLAGS+=-g -fstandalone-debug -hc -L/opt/rocm/hcc-lc/lib -Wl,--rpath=/opt/rocm/hcc-lc/lib -lc++ -lc++abi -ldl -Wl,--whole-archive -lmcwamp -Wl,--no-whole-archive
 
diff --git a/HCStream.cpp b/HCStream.cpp
index 4513814..659cee1 100644
--- a/HCStream.cpp
+++ b/HCStream.cpp
@@ -202,7 +202,7 @@ void HCStream<T>::triad()
 }
 
 template <class T>
-T HCStream<T>::dot()
+T HCStream<T>::dot_impl()
 {
 
   //implementation adapted from
@@ -280,6 +280,15 @@ T HCStream<T>::dot()
   return result;
 }
 
+template <class T>
+T HCStream<T>::dot()
+{
+  #ifdef HC_DEVELOP
+  return dot_impl();
+  #else
+  return 0.;
+  #endif
+}
 
 template class HCStream<float>;
 template class HCStream<double>;
diff --git a/HCStream.h b/HCStream.h
index 950b370..4bc2b18 100644
--- a/HCStream.h
+++ b/HCStream.h
@@ -38,6 +38,7 @@ public:
   virtual void mul() override;
   virtual void triad() override;
   virtual T dot() override;
+  T dot_impl();
 
   virtual void init_arrays(T initA, T initB, T initC) override;
   virtual void read_arrays(std::vector<T>& a, std::vector<T>& b, std::vector<T>& c) override;