A data type for a triplet of integer, integer, double. As this is related to matrix multiplication, the referencing indices are rows and columns.
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| integer(kind=c_int), | public | :: | index_column | column value.  | 
  
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| integer(kind=c_int), | public | :: | index_row | row value.  | 
  
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| real(kind=NTREAL), | public | :: | point_value | actual value at those indices.  |