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|
(* ocamlgsl - OCaml interface to GSL *)
(* Copyright (©) 2002-2005 - Olivier Andrieu *)
(* distributed under the terms of the GPL version 2 *)
module Bracket =
struct
type kind =
| BISECTION
| FALSEPOS
| BRENT
type t
external _alloc : kind -> t
= "ml_gsl_root_fsolver_alloc"
external _free : t -> unit
= "ml_gsl_root_fsolver_free"
external _set : t -> Gsl_fun.gsl_fun -> float -> float -> unit
= "ml_gsl_root_fsolver_set"
let make kind f x y =
let s = _alloc kind in
Gc.finalise _free s ;
_set s f x y ;
s
external name : t -> string
= "ml_gsl_root_fsolver_name"
external iterate : t -> unit
= "ml_gsl_root_fsolver_iterate"
external root : t -> float
= "ml_gsl_root_fsolver_root"
external interval : t -> float * float
= "ml_gsl_root_fsolver_x_interv"
end
module Polish =
struct
type kind =
| NEWTON
| SECANT
| STEFFENSON
type t
external _alloc : kind -> t
= "ml_gsl_root_fdfsolver_alloc"
external _free : t -> unit
= "ml_gsl_root_fdfsolver_free"
external _set : t -> Gsl_fun.gsl_fun_fdf -> float -> unit
= "ml_gsl_root_fdfsolver_set"
let make kind f r =
let s = _alloc kind in
Gc.finalise _free s ;
_set s f r ;
s
external name : t -> string
= "ml_gsl_root_fdfsolver_name"
external iterate : t -> unit
= "ml_gsl_root_fdfsolver_iterate"
external root : t -> float
= "ml_gsl_root_fdfsolver_root"
end
external test_interval : lo:float -> up:float -> epsabs:float -> epsrel:float -> bool
= "ml_gsl_root_test_interval"
external test_delta : x1:float -> x0:float -> epsabs:float -> epsrel:float -> bool
= "ml_gsl_root_test_delta"
external test_residual : f:float -> epsabs:float -> bool
= "ml_gsl_root_test_residual"
|
