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Improved the cost estimate of the quotient op

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This commit is contained in:
Benoit Steiner 2016-03-25 11:13:53 -07:00
parent d94f6ba965
commit 65716e99a5
1 changed files with 3 additions and 2 deletions
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5
Eigen/src/Core/functors/BinaryFunctors.h
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@ -303,9 +303,10 @@ template<typename LhsScalar,typename RhsScalar> struct scalar_quotient_op {
};
template<typename LhsScalar,typename RhsScalar>
struct functor_traits<scalar_quotient_op<LhsScalar,RhsScalar> > {
typedef typename scalar_quotient_op<LhsScalar,RhsScalar>::result_type result_type;
enum {
Cost = (NumTraits<LhsScalar>::MulCost + NumTraits<RhsScalar>::MulCost), // rough estimate!
PacketAccess = scalar_quotient_op<LhsScalar,RhsScalar>::Vectorizable
PacketAccess = scalar_quotient_op<LhsScalar,RhsScalar>::Vectorizable,
Cost = NumTraits<result_type>::template Div<PacketAccess>::Cost
};
};