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(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(function "square" (x: float)
( *f x x))
(function "integr" (f: addr low: float high: float n: int)
(let (h (/f (-f high low) (floatofint n))
x low
s 0.0
i n)
(while (> i 0)
(assign s (+f s (app f x float)))
(assign x (+f x h))
(assign i (- i 1)))
( *f s h)))
(function "test" (n: int)
(app "integr" "square" 0.0 1.0 n float))
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