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-rw-r--r--Eigen/src/Core/Functors.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/Eigen/src/Core/Functors.h b/Eigen/src/Core/Functors.h
index f54c574e2..147df3a50 100644
--- a/Eigen/src/Core/Functors.h
+++ b/Eigen/src/Core/Functors.h
@@ -551,7 +551,7 @@ struct linspaced_op_impl<Scalar,false>
{
typedef typename packet_traits<Scalar>::type Packet;
- linspaced_op_impl(Scalar low, Scalar step) :
+ linspaced_op_impl(const Scalar& low, const Scalar& step) :
m_low(low), m_step(step),
m_packetStep(pset1<Packet>(packet_traits<Scalar>::size*step)),
m_base(padd(pset1<Packet>(low), pmul(pset1<Packet>(step),plset<Scalar>(-packet_traits<Scalar>::size)))) {}
@@ -580,7 +580,7 @@ struct linspaced_op_impl<Scalar,true>
{
typedef typename packet_traits<Scalar>::type Packet;
- linspaced_op_impl(Scalar low, Scalar step) :
+ linspaced_op_impl(const Scalar& low, const Scalar& step) :
m_low(low), m_step(step),
m_lowPacket(pset1<Packet>(m_low)), m_stepPacket(pset1<Packet>(m_step)), m_interPacket(plset<Scalar>(0)) {}
@@ -609,7 +609,7 @@ template <typename Scalar, bool RandomAccess> struct functor_traits< linspaced_o
template <typename Scalar, bool RandomAccess> struct linspaced_op
{
typedef typename packet_traits<Scalar>::type Packet;
- linspaced_op(Scalar low, Scalar high, int num_steps) : impl((num_steps==1 ? high : low), (num_steps==1 ? Scalar() : (high-low)/(num_steps-1))) {}
+ linspaced_op(const Scalar& low, const Scalar& high, int num_steps) : impl((num_steps==1 ? high : low), (num_steps==1 ? Scalar() : (high-low)/(num_steps-1))) {}
template<typename Index>
EIGEN_STRONG_INLINE const Scalar operator() (Index i) const { return impl(i); }