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open Vectmat
let () = Error.init ()
type symm_ws
external _symm_alloc : int -> symm_ws
= "ml_gsl_eigen_symm_alloc"
external _symm_free : symm_ws -> unit
= "ml_gsl_eigen_symm_free"
let make_symm_ws s =
let ws = _symm_alloc s in
Gc.finalise _symm_free ws ;
ws
external _symm : mat -> vec -> symm_ws -> unit
= "ml_gsl_eigen_symm"
let symm ?protect a =
let a' = Vectmat.mat_convert ?protect a in
let (n, _) = Vectmat.dims a' in
let v = Vector.create n in
let ws = _symm_alloc n in
begin
try _symm a' (`V v) ws
with exn -> _symm_free ws ; raise exn
end ;
_symm_free ws ;
v
type symmv_ws
external _symmv_alloc_v : int -> symmv_ws
= "ml_gsl_eigen_symmv_alloc"
external _symmv_free_v : symmv_ws -> unit
= "ml_gsl_eigen_symmv_free"
let make_symmv_ws s =
let ws = _symmv_alloc_v s in
Gc.finalise _symmv_free_v ws ;
ws
external _symmv : mat -> vec -> mat -> symmv_ws -> unit
= "ml_gsl_eigen_symmv"
let symmv ?protect a =
let a' = Vectmat.mat_convert ?protect a in
let (n, _) = Vectmat.dims a' in
let v = Vector.create n in
let evec = Matrix.create n n in
let ws = _symmv_alloc_v n in
begin
try _symmv a' (`V v) (`M evec) ws
with exn -> _symmv_free_v ws ; raise exn
end ;
_symmv_free_v ws ;
(v, evec)
type sort =
| VAL_ASC
| VAL_DESC
| ABS_ASC
| ABS_DESC
external symmv_sort : Vector.vector * Matrix.matrix -> sort -> unit = "ml_gsl_eigen_symmv_sort"
type herm_ws
external _herm_alloc : int -> herm_ws
= "ml_gsl_eigen_herm_alloc"
external _herm_free : herm_ws -> unit
= "ml_gsl_eigen_herm_free"
let make_herm_ws s =
let ws = _herm_alloc s in
Gc.finalise _herm_free ws ;
ws
external _herm : cmat -> vec -> herm_ws -> unit
= "ml_gsl_eigen_herm"
let herm ?protect a =
let a' = Vectmat.cmat_convert ?protect a in
let (n, _) = Vectmat.dims a' in
let v = Vector.create n in
let ws = _herm_alloc n in
begin
try _herm a' (`V v) ws
with exn -> _herm_free ws ; raise exn
end ;
_herm_free ws ;
v
type hermv_ws
external _hermv_alloc_v : int -> hermv_ws
= "ml_gsl_eigen_hermv_alloc"
external _hermv_free_v : hermv_ws -> unit
= "ml_gsl_eigen_hermv_free"
let make_hermv_ws s =
let ws = _hermv_alloc_v s in
Gc.finalise _hermv_free_v ws ;
ws
external _hermv : cmat -> vec -> cmat -> hermv_ws -> unit
= "ml_gsl_eigen_hermv"
let hermv ?protect a =
let a' = Vectmat.cmat_convert ?protect a in
let (n, _) = Vectmat.dims a' in
let v = Vector.create n in
let evec = Matrix_complex.create n n in
let ws = _hermv_alloc_v n in
begin
try _hermv a' (`V v) (`CM evec) ws
with exn -> _hermv_free_v ws ; raise exn
end ;
_hermv_free_v ws ;
(v, evec)
external hermv_sort : Vector.vector * Matrix_complex.matrix -> sort -> unit = "ml_gsl_eigen_hermv_sort"
(** Real Nonsymmetric Matrices *)
type nonsymm_ws
external _nonsymm_alloc : int -> nonsymm_ws
= "ml_gsl_eigen_nonsymm_alloc"
external _nonsymm_free : nonsymm_ws -> unit
= "ml_gsl_eigen_nonsymm_free"
let make_nonsymm_ws s =
let ws = _nonsymm_alloc s in
Gc.finalise _nonsymm_free ws ;
ws
external _nonsymm : mat -> cvec -> nonsymm_ws -> unit
= "ml_gsl_eigen_nonsymm"
external _nonsymm_Z : mat -> cvec -> mat -> nonsymm_ws -> unit
= "ml_gsl_eigen_nonsymm_Z"
let nonsymm ?protect a =
let a' = Vectmat.mat_convert ?protect a in
let (n, _) = Vectmat.dims a' in
let v = Vector_complex.create n in
let ws = _nonsymm_alloc n in
begin
try _nonsymm a' (`CV v) ws
with exn -> _nonsymm_free ws ; raise exn
end ;
_nonsymm_free ws ;
v
type nonsymmv_ws
external _nonsymmv_alloc_v : int -> nonsymmv_ws
= "ml_gsl_eigen_nonsymmv_alloc"
external _nonsymmv_free_v : nonsymmv_ws -> unit
= "ml_gsl_eigen_nonsymmv_free"
let make_nonsymmv_ws s =
let ws = _nonsymmv_alloc_v s in
Gc.finalise _nonsymmv_free_v ws ;
ws
external _nonsymmv : mat -> cvec -> cmat -> nonsymmv_ws -> unit
= "ml_gsl_eigen_nonsymmv"
external _nonsymmv_Z : mat -> cvec -> cmat -> mat -> nonsymmv_ws -> unit
= "ml_gsl_eigen_nonsymmv_Z"
let nonsymmv ?protect a =
let a' = Vectmat.mat_convert ?protect a in
let (n, _) = Vectmat.dims a' in
let v = Vector_complex.create n in
let evec = Matrix_complex.create n n in
let ws = _nonsymmv_alloc_v n in
begin
try _nonsymmv a' (`CV v) (`CM evec) ws
with exn -> _nonsymmv_free_v ws ; raise exn
end ;
_nonsymmv_free_v ws ;
(v, evec)
external nonsymmv_sort : Vector_complex.vector * Matrix_complex.matrix -> sort -> unit = "ml_gsl_eigen_nonsymmv_sort"