PR 719: fix real/imag namespace conflict
diff --git a/test/array_cwise.cpp b/test/array_cwise.cpp
index 9e4adb7..ae0f9f9 100644
--- a/test/array_cwise.cpp
+++ b/test/array_cwise.cpp
@@ -342,7 +342,7 @@
   VERIFY_IS_APPROX(m1.sign() * m1.abs(), m1);
 
   VERIFY_IS_APPROX(numext::abs2(numext::real(m1)) + numext::abs2(numext::imag(m1)), numext::abs2(m1));
-  VERIFY_IS_APPROX(numext::abs2(real(m1)) + numext::abs2(imag(m1)), numext::abs2(m1));
+  VERIFY_IS_APPROX(numext::abs2(Eigen::real(m1)) + numext::abs2(Eigen::imag(m1)), numext::abs2(m1));
   if(!NumTraits<Scalar>::IsComplex)
     VERIFY_IS_APPROX(numext::real(m1), m1);
 
@@ -436,7 +436,7 @@
 
   for (Index i = 0; i < m.rows(); ++i)
     for (Index j = 0; j < m.cols(); ++j)
-      m3(i,j) = std::atan2(imag(m1(i,j)), real(m1(i,j)));
+      m3(i,j) = std::atan2(m1(i,j).imag(), m1(i,j).real());
   VERIFY_IS_APPROX(arg(m1), m3);
 
   std::complex<RealScalar> zero(0.0,0.0);
@@ -463,7 +463,7 @@
 
   VERIFY_IS_APPROX(inverse(inverse(m1)),m1);
   VERIFY_IS_APPROX(conj(m1.conjugate()), m1);
-  VERIFY_IS_APPROX(abs(m1), sqrt(square(real(m1))+square(imag(m1))));
+  VERIFY_IS_APPROX(abs(m1), sqrt(square(m1.real())+square(m1.imag())));
   VERIFY_IS_APPROX(abs(m1), sqrt(abs2(m1)));
   VERIFY_IS_APPROX(log10(m1), log(m1)/log(10));