Octopus
exponential.F90 File Reference

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Modules

module  exponential_oct_m
 

Data Types

type  exponential_oct_m::exponential_t
 

Functions/Subroutines

subroutine, public exponential_oct_m::exponential_init (te, namespace, full_batch)
 
subroutine, public exponential_oct_m::exponential_copy (teo, tei)
 
subroutine exponential_oct_m::exponential_apply_single (te, namespace, mesh, hm, zpsi, ist, ik, deltat, vmagnus, imag_time)
 Wrapper to batchified routine for applying exponential to an array. More...
 
subroutine exponential_oct_m::exponential_apply_batch (te, namespace, mesh, hm, psib, deltat, psib2, deltat2, vmagnus, imag_time, inh_psib)
 This routine performs the operation: More...
 
subroutine exponential_oct_m::exponential_taylor_series_batch (te, namespace, mesh, hm, psib, deltat, psib2, deltat2, vmagnus, inh_psib, phik_shift)
 
subroutine exponential_oct_m::exponential_lanczos_batch (te, namespace, mesh, hm, psib, deltat, vmagnus, inh_psib)
 
subroutine, public exponential_oct_m::exponential_lanczos_function_batch (te, namespace, mesh, hm, psib, deltat, fun, vmagnus)
 Compute fun(H) psib, i.e. the application of a function of the Hamiltonian to a batch. More...
 
subroutine exponential_oct_m::exponential_cheby_batch (te, namespace, mesh, hm, psib, deltat, chebyshev_function, vmagnus)
 Calculates the exponential of the Hamiltonian through an expansion in Chebyshev polynomials. More...
 
subroutine exponential_oct_m::operate_batch (hm, namespace, mesh, psib, hpsib, vmagnus)
 
subroutine, public exponential_oct_m::exponential_apply_all (te, namespace, mesh, hm, st, deltat, order)
 Note that this routine not only computes the exponential, but also an extra term if there is a inhomogeneous term in the Hamiltonian hm. More...
 
subroutine exponential_oct_m::exponential_apply_phi_batch (te, namespace, mesh, hm, psib, deltat, k, vmagnus)
 

Variables

integer, parameter, public exponential_oct_m::exp_lanczos = 2
 
integer, parameter, public exponential_oct_m::exp_taylor = 3
 
integer, parameter, public exponential_oct_m::exp_chebyshev = 4