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Less allocations
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@ -161,109 +161,156 @@ let hvrr_two_e_vector (angMom_a, angMom_b, angMom_c, angMom_d)
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(*
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let result = Array.make_matrix np nq 0. in
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*)
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let f1 =
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let f = (Coordinate.coord center_cd xyz) in
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Array.init nq (fun k -> expo_d.(k) *. expo_inv_q.(k) *. f)
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in
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let do_compute = ref false in
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let v1 =
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if (at_least_one_valid f1) then
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vrr_v m angMom_a cm totAngMom_a (totAngMom_c-1)
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let f = (Coordinate.coord center_cd xyz) in
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let f1 =
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Array.init nq (fun k ->
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let x = expo_d.(k) *. expo_inv_q.(k) *. f in
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if (!do_compute) then x
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else (if abs_float x > cutoff then do_compute := true ; x)
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)
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in
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if (!do_compute) then
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match vrr_v m angMom_a cm totAngMom_a (totAngMom_c-1) with
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| None -> None
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| Some v1 ->
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begin
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let result = Array.make_matrix np nq 0. in
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for l=0 to np-1 do
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for k=0 to nq-1 do
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result.(l).(k) <- -. v1.(l).(k) *. f1.(k)
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done
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done;
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Some result
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end
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else None
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in
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let v2 =
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let f2 =
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Array.init np (fun l ->
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Array.init nq (fun k ->
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expo_inv_q.(k) *. center_pq.(xyz).(l).(k) ) )
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let x = expo_inv_q.(k) *. center_pq.(xyz).(l).(k) in
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if (!do_compute) then x
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else (if abs_float x > cutoff then do_compute := true ; x)
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) )
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in
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let v2 =
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if (at_least_one_valid (Array.to_list f2 |> Array.concat)) then
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vrr_v (m+1) angMom_a cm totAngMom_a (totAngMom_c-1)
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if (!do_compute) then
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match vrr_v (m+1) angMom_a cm totAngMom_a (totAngMom_c-1) with
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| None -> None
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| Some v2 ->
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begin
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for l=0 to np-1 do
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for k=0 to nq-1 do
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f2.(l).(k) <- -. v2.(l).(k) *. f2.(l).(k)
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done
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done;
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Some f2
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end
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else
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None
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in
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let p1 =
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match v1, v2 with
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| Some v1, Some v2 ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k ->
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-. v1.(l).(k) *. f1.(k) -. v2.(l).(k) *. f2.(l).(k)) ) )
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| None, Some v2 ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k -> -. v2.(l).(k) *. f2.(l).(k)) ) )
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| Some v1, None ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k -> -. v1.(l).(k) *. f1.(k) ) ) )
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| None, None -> None
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| Some v1, Some v2 ->
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Some (Array.init np (fun l -> Array.init nq (fun k ->
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v1.(l).(k) +. v2.(l).(k) ) ) )
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| None, Some v2 -> Some v2
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| Some v1, None -> Some v1
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in
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let p2 =
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if cxyz < 2 then p1 else
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let fcm =
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(float_of_int (cxyz-1)) *. 0.5
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in
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let fcm = (float_of_int (cxyz-1)) *. 0.5 in
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let f1 =
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Array.init nq (fun k -> fcm *. expo_inv_q.(k))
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in
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let f2 =
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Array.mapi (fun k x -> x *. expo_inv_q.(k)) f1
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Array.init nq (fun k ->
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let x = fcm *. expo_inv_q.(k) in
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if (!do_compute) then x
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else (if abs_float x > cutoff then do_compute := true ; x)
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)
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in
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let v1 =
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if (at_least_one_valid f1) then
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vrr_v m angMom_a cmm totAngMom_a (totAngMom_c-2)
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if (!do_compute) then
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match vrr_v m angMom_a cmm totAngMom_a (totAngMom_c-2) with
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| None -> None
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| Some v1 ->
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begin
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let result = Array.make_matrix np nq 0. in
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for l=0 to np-1 do
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for k=0 to nq-1 do
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result.(l).(k) <- v1.(l).(k) *. f1.(k)
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done
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done;
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Some result
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end
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else None
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in
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let v2 =
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if (at_least_one_valid f2) then
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vrr_v (m+1) angMom_a cmm totAngMom_a (totAngMom_c-2)
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let f2 =
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Array.init nq (fun k ->
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let x = expo_inv_q.(k) *. f1.(k) in
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if (!do_compute) then x
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else (if abs_float x > cutoff then do_compute := true ; x)
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)
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in
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if (!do_compute) then
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match vrr_v (m+1) angMom_a cmm totAngMom_a (totAngMom_c-2) with
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| None -> None
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| Some v2 ->
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begin
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let result = Array.make_matrix np nq 0. in
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for l=0 to np-1 do
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for k=0 to nq-1 do
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result.(l).(k) <- v2.(l).(k) *. f2.(k)
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done
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done;
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Some result
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end
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else None
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in
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match p1, v1, v2 with
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| Some p1, Some v1, Some v2 ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k ->
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p1.(l).(k) +. f1.(k) *. v1.(l).(k) +. f2.(k) *. v2.(l).(k)) ) )
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| Some p1, Some v1, None ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k -> p1.(l).(k) +. f1.(k) *. v1.(l).(k) ) ) )
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| Some p1, None, Some v2 ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k -> p1.(l).(k) +. f2.(k) *. v2.(l).(k)) ) )
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| None , Some v1, Some v2 ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k ->
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f1.(k) *. v1.(l).(k) +. f2.(k) *. v2.(l).(k)) ) )
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| Some p1, None, None -> Some p1
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| None , Some v1, None ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k -> f1.(k) *. v1.(l).(k) ) ) )
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| None, None, Some v2 ->
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Some (Array.init np (fun l ->
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Array.init nq (fun k -> f2.(k) *. v2.(l).(k)) ) )
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| None, None, None -> None
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| Some p1, Some v1, Some v2 ->
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Some (Array.init np (fun l -> Array.init nq (fun k ->
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p1.(l).(k) +. v1.(l).(k) +. v2.(l).(k)) ) )
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| Some p1, Some v1, None ->
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Some (Array.init np (fun l -> Array.init nq (fun k ->
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p1.(l).(k) +. v1.(l).(k) ) ) )
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| Some p1, None, Some v2 ->
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Some (Array.init np (fun l -> Array.init nq (fun k ->
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p1.(l).(k) +. v2.(l).(k)) ) )
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| None , Some v1, Some v2 ->
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Some (Array.init np (fun l -> Array.init nq (fun k ->
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v1.(l).(k) +. v2.(l).(k)) ) )
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| Some p1, None, None -> Some p1
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| None, Some v1, None -> Some v1
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| None, None, Some v2 -> Some v2
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in
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if (axyz < 1) || (cxyz < 1) then p2 else
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let v =
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vrr_v (m+1) am cm (totAngMom_a-1) (totAngMom_c-1)
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in
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begin
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match (p2, v) with
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| Some p2, Some v -> Some (
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Array.init np (fun l ->
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let fa =
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(float_of_int axyz) *. expo_inv_p.(l) *. 0.5
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in
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Array.init nq (fun k -> p2.(l).(k) -. expo_inv_q.(k) *. fa *. v.(l).(k))
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) )
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| Some p2, None -> Some p2
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| None, Some v -> Some (
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Array.init np (fun l ->
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let fa =
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(float_of_int axyz) *. expo_inv_p.(l) *. 0.5
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in
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Array.init nq (fun k -> -. fa *. expo_inv_q.(k) *. v.(l).(k))
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) )
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| None, None -> None
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| Some p2, None -> Some p2
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| _, Some v ->
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begin
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let p2 =
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match p2 with
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| None -> Array.make_matrix np nq 0.
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| Some p2 -> p2
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in
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for l=0 to np-1 do
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let fa = (float_of_int axyz) *. expo_inv_p.(l) *. 0.5 in
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for k=0 to nq-1 do
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p2.(l).(k) <- p2.(l).(k) -. fa *. expo_inv_q.(k) *. v.(l).(k)
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done
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done;
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Some p2
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end
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end
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in Zmap.add map_2d.(m) key result;
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@ -415,15 +462,13 @@ let contracted_class_shell_pairs ~zero_m ?schwartz_p ?schwartz_q shell_p shell_q
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totAngMom shell_c, totAngMom shell_d) with
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| Angular_momentum.(S,S,S,S) ->
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contracted_class.(0) <-
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let expo_inv_p =
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Array.map (fun shell_ab -> shell_ab.ShellPair.expo_inv) sp
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|> Vec.of_array
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and expo_inv_q =
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Array.map (fun shell_cd -> shell_cd.ShellPair.expo_inv) sq
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|> Vec.of_array
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in
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let np, nq =
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Vec.dim expo_inv_p, Vec.dim expo_inv_q
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Array.length sp, Array.length sq
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in
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let expo_inv_p =
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Vec.init np (fun ab -> sp.(ab-1).ShellPair.expo_inv)
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and expo_inv_q =
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Vec.init nq (fun cd -> sq.(cd-1).ShellPair.expo_inv)
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in
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let coef =
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