[Wannier] Overlap matrix between wannier function

[Dongkyu Lee]

Dear All,

I am trying to solve a generalized TB hamiltonian (HV = ESV) using hopping
parameters from wannier90.
Looks like the wannier90 gives only hopping parameters (seedname_hr.dat)
but not overlap parameter (<m|n>).
How can I calculate the overlap matrix Smn = <m|n> ?

Thanks you in advance for your help
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