Only specialize complex `sqrt_impl` for CUDA if not MSVC.
We already specialize `sqrt_impl` on windows due to MSVC's mishandling
of `inf` (!355).
diff --git a/Eigen/src/Core/arch/CUDA/Complex.h b/Eigen/src/Core/arch/CUDA/Complex.h
index ab0207c..df5a3c2 100644
--- a/Eigen/src/Core/arch/CUDA/Complex.h
+++ b/Eigen/src/Core/arch/CUDA/Complex.h
@@ -94,6 +94,8 @@
template<typename T> struct scalar_quotient_op<std::complex<T>, std::complex<T> > : scalar_quotient_op<const std::complex<T>, const std::complex<T> > {};
+// Complex sqrt is already specialized on Windows.
+#if EIGEN_COMP_MSVC == 0
template<typename T>
struct sqrt_impl<std::complex<T> >
{
@@ -103,6 +105,7 @@
return complex_sqrt<T>(x);
}
};
+#endif
} // namespace internal
} // namespace Eigen
