10 #ifndef EIGEN_SPARSE_CWISE_UNARY_OP_H
11 #define EIGEN_SPARSE_CWISE_UNARY_OP_H
17 template<
typename UnaryOp,
typename ArgType>
18 struct unary_evaluator<CwiseUnaryOp<UnaryOp,ArgType>, IteratorBased>
19 :
public evaluator_base<CwiseUnaryOp<UnaryOp,ArgType> >
22 typedef CwiseUnaryOp<UnaryOp, ArgType> XprType;
28 CoeffReadCost = evaluator<ArgType>::CoeffReadCost + functor_traits<UnaryOp>::Cost,
29 Flags = XprType::Flags
32 explicit unary_evaluator(
const XprType& op) : m_functor(op.functor()), m_argImpl(op.nestedExpression()) {}
34 inline Index nonZerosEstimate()
const {
35 return m_argImpl.nonZerosEstimate();
39 typedef typename evaluator<ArgType>::InnerIterator EvalIterator;
42 const UnaryOp m_functor;
43 evaluator<ArgType> m_argImpl;
46 template<
typename UnaryOp,
typename ArgType>
47 class unary_evaluator<CwiseUnaryOp<UnaryOp,ArgType>, IteratorBased>::InnerIterator
48 :
public unary_evaluator<CwiseUnaryOp<UnaryOp,ArgType>, IteratorBased>::EvalIterator
50 typedef typename XprType::Scalar Scalar;
51 typedef typename unary_evaluator<CwiseUnaryOp<UnaryOp,ArgType>, IteratorBased>::EvalIterator Base;
54 EIGEN_STRONG_INLINE InnerIterator(
const unary_evaluator& unaryOp, Index outer)
55 : Base(unaryOp.m_argImpl,outer), m_functor(unaryOp.m_functor)
58 EIGEN_STRONG_INLINE InnerIterator& operator++()
59 { Base::operator++();
return *
this; }
61 EIGEN_STRONG_INLINE Scalar value()
const {
return m_functor(Base::value()); }
64 const UnaryOp m_functor;
96 template<
typename ViewOp,
typename ArgType>
97 struct unary_evaluator<CwiseUnaryView<ViewOp,ArgType>, IteratorBased>
98 :
public evaluator_base<CwiseUnaryView<ViewOp,ArgType> >
101 typedef CwiseUnaryView<ViewOp, ArgType> XprType;
104 class ReverseInnerIterator;
107 CoeffReadCost = evaluator<ArgType>::CoeffReadCost + functor_traits<ViewOp>::Cost,
108 Flags = XprType::Flags
111 explicit unary_evaluator(
const XprType& op) : m_functor(op.functor()), m_argImpl(op.nestedExpression()) {}
114 typedef typename evaluator<ArgType>::InnerIterator EvalIterator;
117 const ViewOp m_functor;
118 evaluator<ArgType> m_argImpl;
121 template<
typename ViewOp,
typename ArgType>
122 class unary_evaluator<CwiseUnaryView<ViewOp,ArgType>, IteratorBased>::InnerIterator
123 :
public unary_evaluator<CwiseUnaryView<ViewOp,ArgType>, IteratorBased>::EvalIterator
125 typedef typename XprType::Scalar Scalar;
126 typedef typename unary_evaluator<CwiseUnaryView<ViewOp,ArgType>, IteratorBased>::EvalIterator Base;
129 EIGEN_STRONG_INLINE InnerIterator(
const unary_evaluator& unaryOp, Index outer)
130 : Base(unaryOp.m_argImpl,outer), m_functor(unaryOp.m_functor)
133 EIGEN_STRONG_INLINE InnerIterator& operator++()
134 { Base::operator++();
return *
this; }
136 EIGEN_STRONG_INLINE Scalar value()
const {
return m_functor(Base::value()); }
137 EIGEN_STRONG_INLINE Scalar& valueRef() {
return m_functor(Base::valueRef()); }
140 const ViewOp m_functor;
168 template<
typename Derived>
169 EIGEN_STRONG_INLINE Derived&
170 SparseMatrixBase<Derived>::operator*=(
const Scalar& other)
172 for (Index j=0; j<outerSize(); ++j)
173 for (
typename Derived::InnerIterator i(derived(),j); i; ++i)
174 i.valueRef() *= other;
178 template<
typename Derived>
179 EIGEN_STRONG_INLINE Derived&
180 SparseMatrixBase<Derived>::operator/=(
const Scalar& other)
182 for (Index j=0; j<outerSize(); ++j)
183 for (
typename Derived::InnerIterator i(derived(),j); i; ++i)
184 i.valueRef() /= other;
190 #endif // EIGEN_SPARSE_CWISE_UNARY_OP_H
Definition: Eigen_Colamd.h:54