1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/Default/GenericPacketMathFunctionsFwd.h b/Eigen/src/Core/arch/Default/GenericPacketMathFunctionsFwd.h
index 491f1c927..a623f54cb 100644
--- a/Eigen/src/Core/arch/Default/GenericPacketMathFunctionsFwd.h
+++ b/Eigen/src/Core/arch/Default/GenericPacketMathFunctionsFwd.h
@@ -17,6 +17,10 @@ namespace internal {
 // implemented in GenericPacketMathFunctions.h
 // This is needed to workaround a circular dependency.
 
+/** \internal \returns a packet with constant coefficients \a a, e.g.: (a[N-1],...,a[0]) */
+template<typename Packet, int N> EIGEN_DEVICE_FUNC inline Packet
+pset(const typename unpacket_traits<Packet>::type (&a)[N] /* a */);
+
 template<typename Packet> EIGEN_STRONG_INLINE Packet
 pfrexp_float(const Packet& a, Packet& exponent);