| D1b1: | Initialize (e.g., to zero or identity) | (6 routines) |
| D1b2: | Norm | (13 routines) |
| D1b3: | Transpose | (0 routines) |
| D1b4: | Multiplication by vector | (34 routines) |
| D1b5: | Addition, subtraction | (31 routines) |
| D1b6: | Multiplication | (19 routines) |
| D1b7: | Matrix polynomial | (0 routines) |
| D1b8: | Copy | (4 routines) |
| D1b9: | Storage mode conversion | (2 routines) |
| D1b10: | Elementary rotation (Givens transformation) | (0 routines) |
| D1b11: | Elementary reflection (Householder transformation) | (0 routines) |