Data Structures

Here are the data structures with brief descriptions:
bufferSimple buffer structure
dmatrixStructure for both dense and sparse matrix.
  • if the matrix is dense, then nz is set to -1 and idx, jdx are set to NULL.
  • if the matrix is sparse, then nz is set to the number of non-zero elements and the coordiante is saved at idx and jdx
pcg_status_tContains pcg status information

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