Write the line describing the size of the matrix
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=MAX_LINE_LENGTH), | intent(inout) | :: | outstring | The final string is written to this variable. |
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| integer, | intent(in) | :: | rows | The number of rows of the matrix |
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| integer, | intent(in) | :: | columns | The number of columns of the matrix |
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| integer(kind=NTLONG), | intent(in), | optional | :: | values_in | The total number of non zero values in the matrix (for sparse format). |