tangent_arithmetic: add norm for NoTangent, ZeroTangent and NotImplemented
#978
| Job | Run time |
|---|---|
| 2m 13s | |
| 2m 13s |
norm for NoTangent, ZeroTangent and NotImplemented
#978
| Job | Run time |
|---|---|
| 2m 13s | |
| 2m 13s |