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QCaml/run_integrals.ml

59 lines
1.9 KiB
OCaml

let out_file : string option ref = ref None
let basis_file : string option ref = ref None
let nuclei_file : string option ref = ref None
let speclist = [
( "-b" , Arg.String (fun x -> basis_file := Some x),
"File containing the atomic basis set") ;
( "-x" , Arg.String (fun x -> nuclei_file := Some x),
"File containing the nuclear coordinates") ;
( "-o" , Arg.String (fun x -> out_file := Some x) ,
"Output file") ;
]
let run ~out =
let out_file =
match out with
| None -> raise (Invalid_argument "Output file should be specified with -o")
| Some x -> x
and basis_file =
match !basis_file with
| None -> raise (Invalid_argument "Basis set file should be specified with -b")
| Some x -> x
and nuclei_file =
match !nuclei_file with
| None -> raise (Invalid_argument "Coordinate file should be specified with -x")
| Some x -> x
in
let f12 = F12factor.gaussian_geminal 1.0 in
let s =
Simulation.of_filenames ~nuclei:nuclei_file ~f12 basis_file
in
print_endline @@ Nuclei.to_string @@ Simulation.nuclei s;
print_endline "Nuclear repulsion : ";
print_float @@ Simulation.nuclear_repulsion s; print_newline ();
print_endline @@ Basis.to_string @@ Simulation.basis s;
let ao_basis = Simulation.ao_basis s in
let overlap = AOBasis.overlap ao_basis in
let eN_ints = AOBasis.eN_ints ao_basis in
let kin_ints = AOBasis.kin_ints ao_basis in
let ee_ints = AOBasis.ee_ints ao_basis in
Overlap.to_file ~filename:(out_file^".overlap") overlap;
NucInt.to_file ~filename:(out_file^".nuc") eN_ints;
KinInt.to_file ~filename:(out_file^".kin") kin_ints;
ERI.to_file ~filename:(out_file^".eri") ee_ints;
let f12_ints = AOBasis.f12_ints ao_basis in
F12.to_file ~filename:(out_file^".f12") f12_ints;
()
let () =
let usage_msg = "Available options:" in
Arg.parse speclist (fun _ -> ()) usage_msg;
run ~out:!out_file