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31 lines
1.1 KiB
31 lines
1.1 KiB
#ifndef CSR_SPARSE_MATRIX_H /* Include guard */
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#define CSR_SPARSE_MATRIX_H
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct csrSparseMatrix {
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double* values;
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int* rowaccInd; //without the first cell, always 0
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int* columnIndexes;
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int size; //no. of rows
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int nnz; //no. of non zero elements
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} CsrSparseMatrix;
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CsrSparseMatrix initCsrSparseMatrix();
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void allocMemoryForElements (CsrSparseMatrix *sparseMatrix, int edges);
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void addElement(CsrSparseMatrix *sparseMatrix, double value, int row, int column);
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void zeroOutRow(CsrSparseMatrix *sparseMatrix, int row);
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void zeroOutColumn(CsrSparseMatrix *sparseMatrix, int column);
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int *getRowIndexes(CsrSparseMatrix sparseMatrix, int row, int *rowSize);
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void transposeSparseMatrix(CsrSparseMatrix *sparseMatrix);
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void csrSparseMatrixVectorMultiplication(CsrSparseMatrix sparseMatrix, double *vector,
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double **product, int vectorSize);
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void destroyCsrSparseMatrix(CsrSparseMatrix *sparseMatrix);
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void printCsrSparseMatrix(CsrSparseMatrix sparseMatrix);
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#endif // CSR_SPARSE_MATRIX_H
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