  We have examined a method of direct extraction of accurate tight-binding
parameters from an ab-initio band-structure calculation. The linear muffin-tin
potential method, in its full-potential implementation, has been used to
provide the hamiltonian and overlap matrix elements in the momentum space.
These matrix elements are Fourier transformed to real space to produce the
tight-binding parameters. The feasibility of this method has been tested on the
intermetallic alloy NiAl, using spd orbitals for each atom. The parameters
generated for this alloy have been used as input to a real-space calculation of
the local density of states using the recursion method.
