Prepare tensor for contraction: redistribute to a 2d format which can be contracted by matrix multiplication. This routine reshapes the smallest of the three tensors.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(dbcsr_t_type), | intent(inout), | TARGET | :: | tensor_in |
tensor in |
|
| integer, | intent(in), | DIMENSION(:) | :: | ind1 |
index that should be mapped to first matrix dimension index that should be mapped to second matrix dimension |
|
| integer, | intent(in), | DIMENSION(:) | :: | ind2 |
index that should be mapped to first matrix dimension index that should be mapped to second matrix dimension |
|
| type(dbcsr_t_type), | intent(out), | POINTER | :: | tensor_out |
tensor out |
|
| character(len=1), | intent(out) | :: | trans |
transpose flag of matrix rep. |
||
| logical, | intent(out) | :: | new |
whether a new tensor was created for tensor_out |
||
| logical, | intent(in), | optional | :: | nodata |
don't copy tensor data memory optimization: transfer data s.t. tensor_in may be empty on return |
|
| logical, | intent(in), | optional | :: | move_data |
don't copy tensor data memory optimization: transfer data s.t. tensor_in may be empty on return |
|
| integer, | intent(in), | optional | :: | unit_nr |
output unit |