From 50e3bbfc90e6f7c90a0b3fd046e09a1bb80b28a5 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Thu, 22 Sep 2016 13:17:25 -0700
Subject: [PATCH] Calls x.imag() instead of imag(x) when x is a complex number
 since the former is a constexpr while the later isn't. This fixes compilation
 errors triggered by nvcc on Mac.

---
 Eigen/src/Core/MathFunctions.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/Core/MathFunctions.h b/Eigen/src/Core/MathFunctions.h
index fa322aca7..4d8f8970e 100644
--- a/Eigen/src/Core/MathFunctions.h
+++ b/Eigen/src/Core/MathFunctions.h
@@ -1049,12 +1049,12 @@ double abs(const double &x) { return ::fabs(x); }
 
 template <> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
 float abs(const std::complex<float>& x) {
-  return ::hypotf(real(x), imag(x));
+  return ::hypotf(x.real(), x.imag());
 }
 
 template <> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
 double abs(const std::complex<double>& x) {
-  return ::hypot(real(x), imag(x));
+  return ::hypot(x.real(), x.imag());
 }
 #endif