
inline 
Gives some measure on the absolute value of the block.
The only guarantees are:
Z
(at least one of the CGC spaces or the reduced tensor is zero in all entries) has abs(Z) == 0
.I
with all dimensions of the reduced tensor and all dimensions of the CGC spaces 1 and all entries 1 has abs(I) == 1
. References abs(), syten::TensorBlock< rank >::c, syten::TensorBlock< rank >::m, and syten::GenericDenseTensorImpl::GenericDenseTensor< rank, Scalar >::standard().