From ecaa5c47765abd6e7ce40564432bc6a3bdbbeaba Mon Sep 17 00:00:00 2001
From: Hiroshi Shinaoka <h.shinaoka@gmail.com>
Date: Sun, 5 Jun 2016 06:17:36 +0900
Subject: [PATCH] set -DUSE_QUAD_PRECISION=ON for activating quad precision
 support

---
 CMakeLists.txt      | 6 ++++++
 src/wide_scalar.hpp | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14c92a1..922a0cf 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,12 @@ find_package(Boost 1.55.0 REQUIRED timer)
 find_package(MPI REQUIRED)
 find_package(Eigen3 REQUIRED)
 
+# Option (use quad precision for part of calculations)
+option(USE_QUAD_PRECISION "Use quad precision for part of calculations" OFF)
+if(USE_QUAD_PRECISION)
+    add_definitions(-DUSE_QUAD_PRECISION)
+endif()
+
 #ALPSCore disable debug for gf library
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBOOST_DISABLE_ASSERTS -DNDEBUG")
 
diff --git a/src/wide_scalar.hpp b/src/wide_scalar.hpp
index 42a9f70..119b28e 100644
--- a/src/wide_scalar.hpp
+++ b/src/wide_scalar.hpp
@@ -7,7 +7,7 @@
 
 #include <complex>
 
-#ifndef USE_QUAD_FLOAT
+#ifndef USE_QUAD_PRECISION
 
 typedef double EXTENDED_REAL;
 typedef std::complex<double> EXTENDED_COMPLEX;