From 4d7e230d2f8a55c45c1191fe08aa19d41e869a65 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 5 Apr 2016 14:49:41 +0200
Subject: bug #1189: fix pow/atan2 compilation for AutoDiffScalar

---
 unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'unsupported/Eigen/src')

diff --git a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
index e30ad5b6d..481dfa91a 100755
--- a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
+++ b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
@@ -589,23 +589,24 @@ EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(log,
   return ReturnType(log(x.value()),x.derivatives() * (Scalar(1)/x.value()));)
 
 template<typename DerType>
-inline const Eigen::AutoDiffScalar<Eigen::CwiseUnaryOp<Eigen::internal::scalar_multiple_op<typename Eigen::internal::traits<DerType>::Scalar>, const DerType> >
-pow(const Eigen::AutoDiffScalar<DerType>& x, typename Eigen::internal::traits<DerType>::Scalar y)
+inline const Eigen::AutoDiffScalar<Eigen::CwiseUnaryOp<Eigen::internal::scalar_multiple_op<typename internal::traits<typename internal::remove_all<DerType>::type>::Scalar>, const typename internal::remove_all<DerType>::type> >
+pow(const Eigen::AutoDiffScalar<DerType>& x, typename internal::traits<typename internal::remove_all<DerType>::type>::Scalar y)
 {
   using namespace Eigen;
-  typedef typename Eigen::internal::traits<DerType>::Scalar Scalar;
-  return AutoDiffScalar<CwiseUnaryOp<Eigen::internal::scalar_multiple_op<Scalar>, const DerType> >(
+  typedef typename internal::remove_all<DerType>::type DerTypeCleaned;
+  typedef typename Eigen::internal::traits<DerTypeCleaned>::Scalar Scalar;
+  return AutoDiffScalar<CwiseUnaryOp<Eigen::internal::scalar_multiple_op<Scalar>, const DerTypeCleaned> >(
     std::pow(x.value(),y),
     x.derivatives() * (y * std::pow(x.value(),y-1)));
 }
 
 
 template<typename DerTypeA,typename DerTypeB>
-inline const AutoDiffScalar<Matrix<typename internal::traits<DerTypeA>::Scalar,Dynamic,1> >
+inline const AutoDiffScalar<Matrix<typename internal::traits<typename internal::remove_all<DerTypeA>::type>::Scalar,Dynamic,1> >
 atan2(const AutoDiffScalar<DerTypeA>& a, const AutoDiffScalar<DerTypeB>& b)
 {
   using std::atan2;
-  typedef typename internal::traits<DerTypeA>::Scalar Scalar;
+  typedef typename internal::traits<typename internal::remove_all<DerTypeA>::type>::Scalar Scalar;
   typedef AutoDiffScalar<Matrix<Scalar,Dynamic,1> > PlainADS;
   PlainADS ret;
   ret.value() = atan2(a.value(), b.value());
-- 
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