*X2C

Debug and testing options for the Exact 2-Component relativistic Hamiltonian module, Refs. [Ilias2007], [Knecht2010].

.DEBUG

raises the print level in the X2C module to print intermediate matrices and arrays. use with care as the output might become filled with lots of numbers.

.freeh1

use the free-particle Hamiltonian as defining Hamiltonian to solve the initial matrix problem in the X2C algorithm. for debug purposes mostly.

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