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00028 #ifndef MAT_SIZESANDBLOCKS
00029 #define MAT_SIZESANDBLOCKS
00030 #include "matInclude.h"
00031 namespace mat{
00032
00037 class SizesAndBlocks {
00038 public:
00040 SizesAndBlocks()
00041 :nBlocks(0), nScalars(0), offset(0), nTotalScalars(0) {}
00043 SizesAndBlocks(SizesAndBlocks const & other);
00048 SizesAndBlocks(std::vector<int> const & blockSizesInp,
00049 int const nScalarsInp)
00050 : nBlocks(0),
00051 nScalars(nScalarsInp), offset(0), nTotalScalars(nScalarsInp) {
00052 setup(blockSizesInp);
00053 }
00055 SizesAndBlocks& operator=
00056 (SizesAndBlocks const & other);
00057
00058 bool operator==(SizesAndBlocks const & other) const;
00059
00060 SizesAndBlocks
00061 getSizesAndBlocksForLowerLevel(int const blockNumber) const;
00062
00063 inline bool is_empty() const {return blockSizes.empty();}
00064 inline int const & getNBlocks() const {return nBlocks;}
00065 inline int const & getNScalars() const {return nScalars;}
00066 void getBlockSizeVector(std::vector<int> & blockSizesCopy) const;
00071 inline int whichBlock(int const globalIndex) const {
00072 return (globalIndex - offset) / blockSizes[0];
00073 }
00074
00075 inline int getOffset() const {return offset;}
00076 inline int getNTotalScalars() const {return nTotalScalars;}
00077 ~SizesAndBlocks() {}
00078 protected:
00079 std::vector<int> blockSizes;
00087 int nBlocks;
00092 int nScalars;
00093 int offset;
00094 int nTotalScalars;
00096 SizesAndBlocks(std::vector<int> const & blockSizesInp,
00097 int const nScalarsInp,
00098 int const offsetInp,
00099 int const nTotalScalarsInp)
00100 : nBlocks(0),
00101 nScalars(nScalarsInp), offset(offsetInp),
00102 nTotalScalars(nTotalScalarsInp) {
00103 setup(blockSizesInp);
00104 }
00105
00106 void setup(std::vector<int> const & blockSizesInp);
00107
00108 private:
00109 };
00110
00111 }
00112 #endif