From 7f32109c11b9cbc3cedc72e59683bf5839d35d75 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 17 Jan 2019 11:33:43 +0100
Subject: Add conjugateIf<bool> members to DesneBase, TriangularView,
 SelfadjointView, and make PartialPivLU use it.

---
 Eigen/src/plugins/CommonCwiseUnaryOps.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'Eigen/src/plugins')

diff --git a/Eigen/src/plugins/CommonCwiseUnaryOps.h b/Eigen/src/plugins/CommonCwiseUnaryOps.h
index 89f4faaac..5418dc415 100644
--- a/Eigen/src/plugins/CommonCwiseUnaryOps.h
+++ b/Eigen/src/plugins/CommonCwiseUnaryOps.h
@@ -76,6 +76,20 @@ conjugate() const
   return ConjugateReturnType(derived());
 }
 
+/// \returns an expression of the complex conjugate of \c *this if Cond==true, returns derived() otherwise.
+///
+EIGEN_DOC_UNARY_ADDONS(conjugate,complex conjugate)
+///
+/// \sa conjugate()
+template<bool Cond>
+EIGEN_DEVICE_FUNC
+inline typename internal::conditional<Cond,ConjugateReturnType,const Derived&>::type
+conjugateIf() const
+{
+  typedef typename internal::conditional<Cond,ConjugateReturnType,const Derived&>::type ReturnType;
+  return ReturnType(derived());
+}
+
 /// \returns a read-only expression of the real part of \c *this.
 ///
 EIGEN_DOC_UNARY_ADDONS(real,real part function)
-- 
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