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let () = Error.init ()
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 -> 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 -> 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"