From 40f326ef2ecf50022b082ec09bc9e545f19ebf6f Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 17 Jun 2015 15:33:09 +0200
Subject: [PATCH] workaround clang's broken complex division

---
 test/array.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/array.cpp b/test/array.cpp
index b802e52f6..b0210c682 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -346,7 +346,18 @@ template<typename ArrayType> void array_complex(const ArrayType& m)
 
   std::complex<RealScalar> zero(0.0,0.0);
   VERIFY(isnan(m1*zero/zero).all());
+#if EIGEN_COMP_CLANG
+  // clang's complex division is notoriously broken
+  if(numext::isinf(m1(0,0)/Scalar(0))) {
+#endif
   VERIFY(isinf(m1/zero).all());
+#if EIGEN_COMP_CLANG
+  }
+  else
+  {
+    VERIFY(isinf(m1.real()/zero.real()).all());
+  }
+#endif
   VERIFY((isfinite(m1) && !isfinite(m1*zero/zero) && !isfinite(m1/zero)).all());
 
   VERIFY_IS_APPROX(inverse(inverse(m1)),m1);