;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; LUSH Lisp Universal Shell
;;;   Copyright (C) 2002 Leon Bottou, Yann Le Cun, AT&T Corp, NECI.
;;; Includes parts of TL3:
;;;   Copyright (C) 1987-1999 Leon Bottou and Neuristique.
;;; Includes selected parts of SN3.2:
;;;   Copyright (C) 1991-2001 AT&T Corp.
;;;
;;; Includes information derived from the GSL (Gnu Scientific Library)
;;;   header files which are copyrighted and distributed under the GPL
;;;   by their respective authors.
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA
;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(libload "gsl/gsl-config")



#? *** diff

;; dummy function that adds GSL C header files in C file
(eval `(de dummy_diff () ,gsl-cpheader-cmd ()))

#? * (dummy_diff)
#? * (gsl_diff_central <f> <x> <result> <abserr>)
#? * (gsl_diff_backward <f> <x> <result> <abserr>)
#? * (gsl_diff_forward <f> <x> <result> <abserr>)

;; ********************************************************


(de gsl_diff_central (     f  x   result   abserr )
    ((-gptr- "const gsl_function *") f) 
    ((-double-) x) 
    ((-gptr- "double *") result) 
    ((-gptr- "double *") abserr) 
    (int #{ gsl_diff_central (  $f ,$x ,$result ,$abserr) #} )
)


(de gsl_diff_backward (     f  x   result   abserr )
    ((-gptr- "const gsl_function *") f) 
    ((-double-) x) 
    ((-gptr- "double *") result) 
    ((-gptr- "double *") abserr) 
    (int #{ gsl_diff_backward (  $f ,$x ,$result ,$abserr) #} )
)


(de gsl_diff_forward (     f  x   result   abserr )
    ((-gptr- "const gsl_function *") f) 
    ((-double-) x) 
    ((-gptr- "double *") result) 
    ((-gptr- "double *") abserr) 
    (int #{ gsl_diff_forward (  $f ,$x ,$result ,$abserr) #} )
)


;; ********************************************************

(dhc-make ()
  dummy_diff
  gsl_diff_central
  gsl_diff_backward
  gsl_diff_forward
)
