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7f918cf1 CE |
1 | (* Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh |
2 | * Jagannathan, and Stephen Weeks. | |
3 | * | |
4 | * MLton is released under a BSD-style license. | |
5 | * See the file MLton-LICENSE for details. | |
6 | *) | |
7 | ||
8 | signature RING_WITH_IDENTITY_STRUCTS = | |
9 | sig | |
10 | include RING | |
11 | ||
12 | val one: t | |
13 | end | |
14 | ||
15 | signature RING_WITH_IDENTITY = | |
16 | sig | |
17 | include RING_WITH_IDENTITY_STRUCTS | |
18 | ||
19 | val add1: t -> t | |
20 | val dec: t ref -> unit | |
21 | (* fromInt n = 1 + ... + 1, n times. *) | |
22 | val fromInt: Pervasive.Int.int -> t | |
23 | val fromIntInf: Pervasive.IntInf.int -> t | |
24 | val inc: t ref -> unit | |
25 | val negOne: t | |
26 | val pow: t * Pervasive.Int.int -> t | |
27 | val powInf : t * Pervasive.IntInf.int -> t | |
28 | val pows: (t * Pervasive.Int.int) list -> t (* simultaneous exponentiation *) | |
29 | val powsInf: (t * Pervasive.IntInf.int) list -> t | |
30 | val prod: t list -> t | |
31 | val sub1: t -> t | |
32 | val three: t | |
33 | val two: t | |
34 | end |