/usr/include/opengm/functions/modelviewfunction.hxx is in libopengm-dev 2.3.6+20160905-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | #pragma once
#ifndef OPENGM_MODELVIEWFUNCTION_HXX
#define OPENGM_MODELVIEWFUNCTION_HXX
#include "opengm/functions/function_properties_base.hxx"
namespace opengm {
/// Function that refers to a factor of another GraphicalModel
///
/// \tparam GM type of the graphical model which we want to view
/// \tparam MARRAY type of the array that holds the offset
///
/// \ingroup functions
template<class GM, class MARRAY>
class ModelViewFunction
: public FunctionBase<ModelViewFunction<GM,MARRAY>,
typename GM::ValueType,
typename GM::IndexType,
typename GM::LabelType>
{
public:
typedef GM GraphicalModelType;
typedef MARRAY OffsetType;
typedef typename GM::ValueType ValueType;
typedef typename GM::ValueType value_type;
typedef typename GM::IndexType IndexType;
typedef typename GM::LabelType LabelType;
ModelViewFunction(const GraphicalModelType& gm, const IndexType factorIndex, const ValueType scale, OffsetType const* offset);
ModelViewFunction(const GraphicalModelType& gm, const IndexType factorIndex, const ValueType scale);
ModelViewFunction(OffsetType const* offset);
template<class Iterator> ValueType operator()(Iterator begin) const;
size_t size() const;
LabelType shape(const size_t i) const;
size_t dimension() const;
private:
/// ViewType
enum ViewType {
/// only view
VIEW,
/// view with a offset
VIEWOFFSET,
/// only offset
OFFSET
};
GraphicalModelType const* gm_;
IndexType factorIndex_;
ValueType scale_;
OffsetType const* offset_;
ViewType viewType_;
};
/// constructor
/// \param gm graphical model we want to view
/// \param factorIndex index of the factor of gm we want to view
/// \param scale scaling factor of the view function
/// \param offset pointer to the offset marray
template<class GM, class MARRAY>
inline ModelViewFunction<GM, MARRAY>::ModelViewFunction
(
const GM& gm ,
const typename ModelViewFunction<GM, MARRAY>::IndexType factorIndex,
const typename ModelViewFunction<GM, MARRAY>::ValueType scale,
MARRAY const* offset
)
: gm_(&gm),
factorIndex_(factorIndex),
scale_(scale),
offset_(offset),
viewType_(VIEWOFFSET)
{
//viewType_ = VIEWOFFSET;
OPENGM_ASSERT((*offset_).size() == gm_->operator[](factorIndex_).size());
OPENGM_ASSERT((*offset_).dimension() == gm_->operator[](factorIndex_).numberOfVariables());
for(size_t i=0; i<(*offset_).dimension();++i)
OPENGM_ASSERT((*offset_).shape(i) == gm_->operator[](factorIndex_).numberOfLabels(i));
}
/// Constructor
/// \param gm graphical model we want to view
/// \param factorIndex index of the factor of gm we want to view
/// \param scale scaling factor of the view function
template<class GM, class MARRAY>
inline ModelViewFunction<GM, MARRAY>::ModelViewFunction
(
const GM& gm,
const typename ModelViewFunction<GM, MARRAY>::IndexType factorIndex,
const ValueType scale
)
: gm_(&gm),
factorIndex_(factorIndex),
scale_(scale),
viewType_(VIEW)
{
}
/// Constructor
/// \param offset pointer to the offset marray
template<class GM, class MARRAY>
inline ModelViewFunction<GM, MARRAY>::ModelViewFunction
(
MARRAY const* offset
)
: gm_(NULL),
factorIndex_(0),
scale_(0),
offset_(offset),
viewType_(OFFSET)
{
}
template<class GM, class MARRAY>
template<class Iterator>
inline typename opengm::ModelViewFunction<GM, MARRAY>::ValueType
ModelViewFunction<GM, MARRAY>::operator()
(
Iterator begin
) const
{
switch(viewType_) {
case VIEWOFFSET:
return scale_*gm_->operator[](factorIndex_)(begin) + (*offset_)(begin);
case VIEW:
return scale_*gm_->operator[](factorIndex_)(begin);
case OFFSET:
return (*offset_)(begin);
default:
break;
}
return 0;
}
template<class GM, class MARRAY>
inline typename ModelViewFunction<GM, MARRAY>::LabelType
ModelViewFunction<GM, MARRAY>::shape(const size_t i) const
{
switch(viewType_) {
case VIEWOFFSET:
OPENGM_ASSERT(gm_->operator[](factorIndex_).shape(i)==(*offset_).shape(i));
return (*offset_).shape(i);
case VIEW:
return gm_->operator[](factorIndex_).shape(i);
case OFFSET:
return (*offset_).shape(i);
//default:
}
// To avoid compiler error "warning : control reached end
return 0;
}
template<class GM, class MARRAY>
inline size_t ModelViewFunction<GM, MARRAY>::size() const
{
switch(viewType_) {
case VIEWOFFSET:
return (*offset_).size();
case VIEW:
return gm_->operator[](factorIndex_).size();
case OFFSET:
return (*offset_).size();
//default:
}
return 0;
}
template<class GM, class MARRAY>
inline size_t ModelViewFunction<GM, MARRAY>::dimension() const
{
switch(viewType_) {
case VIEWOFFSET:
OPENGM_ASSERT(gm_->operator[](factorIndex_).numberOfVariables()==(*offset_).dimension());
return (*offset_).dimension();
case VIEW:
return gm_->operator[](factorIndex_).numberOfVariables();
case OFFSET:
return (*offset_).dimension();
default:
;
}
// To avoid compiler error "warning : control reached end
return 0;
}
} // namespace opengm
#endif // #ifndef OPENGM_MODELVIEWFUNCTION_HXX
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