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1 (*
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2 * Copyright (c) 1997-1999 Massachusetts Institute of Technology
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3 * Copyright (c) 2003, 2007-14 Matteo Frigo
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4 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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5 *
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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19 *
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20 *)
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21
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22 type number
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23
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24 val equal : number -> number -> bool
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25 val of_int : int -> number
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26 val zero : number
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27 val one : number
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28 val two : number
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29 val mone : number
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30 val is_zero : number -> bool
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31 val is_one : number -> bool
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32 val is_mone : number -> bool
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33 val is_two : number -> bool
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34 val mul : number -> number -> number
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35 val div : number -> number -> number
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36 val add : number -> number -> number
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37 val sub : number -> number -> number
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38 val negative : number -> bool
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39 val greater : number -> number -> bool
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40 val negate : number -> number
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41 val sqrt : number -> number
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42
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43 (* cexp n i = (cos (2 * pi * i / n), sin (2 * pi * i / n)) *)
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44 val cexp : int -> int -> (number * number)
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45
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46 val to_konst : number -> string
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47 val to_string : number -> string
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48 val to_float : number -> float
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49
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