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authorGravatar Gael Guennebaud <g.gael@free.fr>2008-07-31 21:03:11 +0000
committerGravatar Gael Guennebaud <g.gael@free.fr>2008-07-31 21:03:11 +0000
commitb32b186c14c7c9abdde1217d9d6b5b7d7cac532b (patch)
treeeb8867cb97ea3156961098ba5a5b82493b003793 /Eigen/src/Array/Functors.h
parent842c4f8bfa51008ab13919225f95b56e6cbcc655 (diff)
removed the packet specializations of some functors
(GCC generates better code without those "optimizations")
Diffstat (limited to 'Eigen/src/Array/Functors.h')
-rw-r--r--Eigen/src/Array/Functors.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/Eigen/src/Array/Functors.h b/Eigen/src/Array/Functors.h
index 3357f145d..5b53a9cee 100644
--- a/Eigen/src/Array/Functors.h
+++ b/Eigen/src/Array/Functors.h
@@ -25,19 +25,21 @@
#ifndef EIGEN_ARRAY_FUNCTORS_H
#define EIGEN_ARRAY_FUNCTORS_H
+/** \internal
+ * \array_module
+ *
+ * \brief Template functor to add a scalar to a fixed other one
+ *
+ * \sa class CwiseUnaryOp, Array::operator+
+ */
+/* If you wonder why doing the ei_pset1() in packetOp() is an optimization check ei_scalar_multiple_op */
template<typename Scalar>
-struct ei_scalar_add_op<Scalar,true> {
+struct ei_scalar_add_op {
typedef typename ei_packet_traits<Scalar>::type PacketScalar;
- inline ei_scalar_add_op(const Scalar& other) : m_other(ei_pset1(other)) { }
- inline Scalar operator() (const Scalar& a) const { return a + ei_pfirst(m_other); }
- inline const PacketScalar packetOp(const PacketScalar& a) const
- { return ei_padd(a, m_other); }
- const PacketScalar m_other;
-};
-template<typename Scalar>
-struct ei_scalar_add_op<Scalar,false> {
inline ei_scalar_add_op(const Scalar& other) : m_other(other) { }
inline Scalar operator() (const Scalar& a) const { return a + m_other; }
+ inline const PacketScalar packetOp(const PacketScalar& a) const
+ { return ei_padd(a, ei_pset1(m_other)); }
const Scalar m_other;
};
template<typename Scalar>