;;; Compiled by f2cl version 2.0 beta 2002-05-06
;;; 
;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
;;;           (:coerce-assigns :as-needed) (:array-type ':simple-array)
;;;           (:array-slicing nil) (:declare-common nil)
;;;           (:float-format double-float))

(in-package "SLATEC")


(defun initds (os nos eta)
  (declare (type single-float eta)
           (type f2cl-lib:integer4 nos)
           (type (simple-array double-float (*)) os))
  (prog ((initds 0) (i 0) (ii 0) (err 0.0f0))
    (declare (type single-float err) (type f2cl-lib:integer4 ii i initds))
    (if (< nos 1)
        (xermsg "SLATEC" "INITDS" "Number of coefficients is less than 1" 2 1))
    (setf err 0.0f0)
    (f2cl-lib:fdo (ii 1 (f2cl-lib:int-add ii 1))
                  ((> ii nos) nil)
      (tagbody
        (setf i (f2cl-lib:int-sub (f2cl-lib:int-add nos 1) ii))
        (setf err
                (+ err (abs (f2cl-lib:freal (f2cl-lib:fref os (i) ((1 *)))))))
        (if (> err eta) (go label20))
       label10))
   label20
    (if (= i nos)
        (xermsg "SLATEC" "INITDS"
         "Chebyshev series too short for specified accuracy" 1 1))
    (setf initds i)
    (go end_label)
   end_label
    (return (values initds nil nil nil))))

