Helper routine which computes sparse dot products across processors. Computes the dot product of one vector with several others.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| integer, | intent(in) | :: | num_values_i | The length of vector i. |
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| integer, | intent(in), | DIMENSION(:) | :: | indices_i | The index value of the sparse vector i. |
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| real(kind=NTREAL), | intent(in), | DIMENSION(:) | :: | values_i | The values of the sparse vector i. |
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| integer, | intent(in), | DIMENSION(:) | :: | num_values_j | Tn array with the length of vectors j. |
|
| integer, | intent(in), | DIMENSION(:,:) | :: | indices_j | The indices of the vectors j. |
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| real(kind=NTREAL), | intent(in), | DIMENSION(:,:) | :: | values_j | The values of the vectors j. |
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| real(kind=NTREAL), | intent(out), | DIMENSION(:) | :: | out_values | The dot product values for each vector j. |
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| integer, | intent(inout) | :: | comm | The communicator to reduce along. |