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00031 namespace TooN {
00032
00033 namespace Internal{
00034 template<int Size, class Precision, int Stride, class Mem> struct GenericVBase;
00035
00036
00037
00038
00039
00040
00041
00042 template<int Stride>
00043 struct SliceVBase {
00044
00045
00046 template<int Size, typename Precision>
00047 struct VLayout
00048 : public GenericVBase<Size, Precision, Stride, VectorSlice<Size, Precision> > {
00049
00050 VLayout(Precision* d, int length, int stride)
00051 :GenericVBase<Size, Precision, Stride, VectorSlice<Size, Precision> >(d, length, stride){
00052 }
00053
00054 template<class Op>
00055 VLayout(const Operator<Op>& op)
00056 :GenericVBase<Size, Precision, Stride, VectorSlice<Size, Precision> >(op) {}
00057 };
00058
00059 };
00060
00061
00062
00063
00064
00065
00066 struct VBase {
00067
00068
00069 template<int Size, class Precision>
00070 struct VLayout
00071 : public GenericVBase<Size, Precision, 1, VectorAlloc<Size, Precision> > {
00072
00073 VLayout(){}
00074
00075 VLayout(int s)
00076 :GenericVBase<Size, Precision, 1, VectorAlloc<Size, Precision> >(s)
00077 {}
00078
00079 template<class Op>
00080 VLayout(const Operator<Op>& op)
00081 :GenericVBase<Size, Precision, 1, VectorAlloc<Size, Precision> >(op) {}
00082 };
00083 };
00084
00085
00086
00087
00088
00089
00090 template<int Size, typename Precision, int Stride, typename Mem> struct GenericVBase: public Mem, public StrideHolder<Stride>
00091 {
00092 int stride() const{
00093 return StrideHolder<Stride>::stride();
00094 }
00095
00096
00097 GenericVBase(){}
00098
00099 GenericVBase(int s)
00100 :Mem(s)
00101 {}
00102
00103 GenericVBase(Precision* d, int length, int stride)
00104 :Mem(d, length),StrideHolder<Stride>(stride){
00105 }
00106
00107 template<class Op>
00108 GenericVBase(const Operator<Op> & op) : Mem(op), StrideHolder<Stride>(op) {}
00109
00110 using Mem::data;
00111 using Mem::size;
00112
00113 Precision& operator[](int i) {
00114 Internal::check_index(size(), i);
00115 return data()[i * stride()];
00116 }
00117
00118 const Precision& operator[](int i) const {
00119 Internal::check_index(size(), i);
00120 return data()[i * stride()];
00121 }
00122
00123
00124 template<int Start, int Length>
00125 Vector<Length, Precision, SliceVBase<Stride> > slice(int start, int length){
00126 Internal::CheckSlice<Size, Start, Length>::check(size(), start, length);
00127 return Vector<Length, Precision, SliceVBase<Stride> >(data() + stride() * (Start==Dynamic?start:Start), Length==Dynamic?length:Length, stride(), Slicing());
00128 }
00129
00130 template<int Start, int Length>
00131 const Vector<Length, Precision, SliceVBase<Stride> > slice(int start, int length) const{
00132 Internal::CheckSlice<Size, Start, Length>::check(size(), start, length);
00133 return Vector<Length, Precision, SliceVBase<Stride> >(const_cast<Precision*>(data()) + stride() * (Start==Dynamic?start:Start), Length==Dynamic?length:Length, stride(), Slicing());
00134 }
00135
00136
00137
00138
00139 template<int Start, int Length> Vector<Length, Precision, SliceVBase<Stride> > slice(){
00140 Internal::CheckSlice<Size, Start, Length>::check();
00141 return slice<Start, Length>(Start, Length);
00142 }
00143
00144 template<int Start, int Length> const Vector<Length, Precision, SliceVBase<Stride> > slice() const {
00145 Internal::CheckSlice<Size, Start, Length>::check();
00146 return slice<Start, Length>(Start, Length);
00147 }
00148
00149 Vector<Dynamic, Precision, SliceVBase<Stride> > slice(int start, int length){
00150 return slice<Dynamic, Dynamic>(start, length);
00151 }
00152
00153 const Vector<Dynamic, Precision, SliceVBase<Stride> > slice(int start, int length) const{
00154 return slice<Dynamic, Dynamic>(start, length);
00155 }
00156
00157
00158 #define TOON_INTERNAL_MAKE_END(X)\
00159 template<int Start, StaticEndMarker<(X)>(*End)()> \
00160 Vector<(Size==Dynamic?Dynamic:Size-Start+(X)), Precision, SliceVBase<Stride> > slice(){\
00161 static const int Len = (Size==Dynamic?Dynamic:Size-Start+(X));\
00162 return slice<Start, Len>(Start, size() - Start + (X));\
00163 }\
00164 template<int Start, StaticEndMarker<(X)>(*End)()> \
00165 const Vector<(Size==Dynamic?Dynamic:Size-Start+(X)), Precision, SliceVBase<Stride> > slice() const {\
00166 static const int Len = (Size==Dynamic?Dynamic:Size-Start+(X));\
00167 return slice<Start, Len>(Start, size() - Start + (X));\
00168 }
00169
00170 #define TOON_INTERNAL_MAKE_END_99(D0)\
00171 TOON_INTERNAL_MAKE_END(D0##0);\
00172 TOON_INTERNAL_MAKE_END(D0##1);\
00173 TOON_INTERNAL_MAKE_END(D0##2);\
00174 TOON_INTERNAL_MAKE_END(D0##3);\
00175 TOON_INTERNAL_MAKE_END(D0##4);\
00176 TOON_INTERNAL_MAKE_END(D0##5);\
00177 TOON_INTERNAL_MAKE_END(D0##6);\
00178 TOON_INTERNAL_MAKE_END(D0##7);\
00179 TOON_INTERNAL_MAKE_END(D0##8);\
00180 TOON_INTERNAL_MAKE_END(D0##9);
00181
00182 TOON_INTERNAL_MAKE_END_99(-0x);
00183 TOON_INTERNAL_MAKE_END_99(-1);
00184 TOON_INTERNAL_MAKE_END_99(-2);
00185 TOON_INTERNAL_MAKE_END_99(-3);
00186 TOON_INTERNAL_MAKE_END_99(-4);
00187 TOON_INTERNAL_MAKE_END_99(-5);
00188 TOON_INTERNAL_MAKE_END_99(-6);
00189 TOON_INTERNAL_MAKE_END_99(-7);
00190 TOON_INTERNAL_MAKE_END_99(-8);
00191 TOON_INTERNAL_MAKE_END_99(-9);
00192
00193 #undef TOON_INTERNAL_MAKE_END
00194 #undef TOON_INTERNAL_MAKE_END99
00195
00196
00197 Vector<Dynamic, Precision, SliceVBase<Stride> > slice(int i, Internal::DynamicEndMarker e)
00198 {
00199 return slice(i, size()-i+e.e);
00200 }
00201
00202 const Vector<Dynamic, Precision, SliceVBase<Stride> > slice(int i, Internal::DynamicEndMarker e) const
00203 {
00204 return slice(i, size()-i+e.e);
00205 }
00206
00207
00208 Vector<Dynamic, Precision, SliceVBase<Stride> > slice(int i, Internal::DynamicEndMarker(*)())
00209 {
00210 return slice(i, size()-i);
00211 }
00212
00213 const Vector<Dynamic, Precision, SliceVBase<Stride> > slice(int i, Internal::DynamicEndMarker(*)()) const
00214 {
00215 return slice(i, size()-i);
00216 }
00217
00218
00219 const Matrix<1, Size, Precision, Slice<1,Stride> > as_row() const{
00220 return Matrix<1, Size, Precision, Slice<1,Stride> >(const_cast<Precision*>(data()), 1, size(), 1, stride(), Slicing());
00221 }
00222
00223 Matrix<1, Size, Precision, Slice<1,Stride> > as_row(){
00224 return Matrix<1, Size, Precision, Slice<1,Stride> >(data(), 1, size(), 1, stride(), Slicing());
00225 }
00226
00227 const Matrix<Size, 1, Precision, Slice<Stride,1> > as_col() const{
00228 return Matrix<Size, 1, Precision, Slice<Stride,1> >(const_cast<Precision*>(data()), size(), 1, stride(), 1, Slicing());
00229 }
00230
00231 Matrix<Size, 1, Precision, Slice<Stride,1> > as_col(){
00232 return Matrix<Size, 1, Precision, Slice<Stride,1> >(data(), size(), 1, stride(), 1, Slicing());
00233 }
00234
00235 typedef Vector<Size, Precision, SliceVBase<Stride> > as_slice_type;
00236
00237 Vector<Size, Precision, SliceVBase<Stride> > as_slice(){
00238 return Vector<Size, Precision, SliceVBase<Stride> >(data(), size(), stride(), Slicing());
00239 }
00240
00241 const Vector<Size, Precision, SliceVBase<Stride> > as_slice() const {
00242 return Vector<Size, Precision, SliceVBase<Stride> >(const_cast<Precision*>(data()), size(), stride(), Slicing());
00243 }
00244
00245 DiagonalMatrix<Size,Precision, SliceVBase<Stride> > as_diagonal() {
00246 return DiagonalMatrix<Size, Precision, SliceVBase<Stride> > (data(), size(), stride(), Slicing());
00247 }
00248
00249 const DiagonalMatrix<Size,Precision, SliceVBase<Stride> > as_diagonal() const {
00250 return DiagonalMatrix<Size, Precision, SliceVBase<Stride> > (const_cast<Precision*>(data()), size(), stride(), Slicing());
00251 }
00252
00253 };
00254
00255 }
00256
00257 }