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QCaml/simulation/lib/simulation.ml

63 lines
1.2 KiB
OCaml

(** Simulation *)
open Common
open Particles
open Operators
(** Type *)
type t = {
charge : Charge.t;
electrons : Electrons.t;
nuclei : Nuclei.t;
ao_basis : Ao.Basis.t;
operators : Operator.t list;
}
(** Access *)
let nuclei t = t.nuclei
let charge t = t.charge
let electrons t = t.electrons
let ao_basis t = t.ao_basis
let nuclear_repulsion t = Nuclei.repulsion @@ nuclei t
let operators t = t.operators
(** Creation *)
let make
?(multiplicity=1)
?(charge=0)
?(operators=[])
~nuclei
ao_basis
=
(* Tune Garbage Collector *)
let gc = Gc.get () in
Gc.set { gc with space_overhead = 1000 };
let electrons =
Electrons.of_atoms ~multiplicity ~charge nuclei
in
let charge =
Charge.(Nuclei.charge nuclei + Electrons.charge electrons)
in
{ charge ; nuclei ; electrons ; ao_basis ; operators}
(** Printers *)
let pp ppf t =
let formula = Nuclei.formula t.nuclei in
let n_aos = Ao.Basis.size t.ao_basis in
let n_ops = List.length t.operators in
Format.fprintf ppf "@[@[%s@], @[%a@], @[%d AOs@], @[%d operators@]@]"
formula Electrons.pp t.electrons n_aos n_ops