Commit | Line | Data |
---|---|---|
7f918cf1 CE |
1 | (* Copyright (C) 2009 Matthew Fluet. |
2 | * Copyright (C) 2004-2006 Henry Cejtin, Matthew Fluet, Suresh | |
3 | * Jagannathan, and Stephen Weeks. | |
4 | * | |
5 | * MLton is released under a BSD-style license. | |
6 | * See the file MLton-LICENSE for details. | |
7 | *) | |
8 | ||
9 | signature REAL_X_STRUCTS = | |
10 | sig | |
11 | structure RealSize: REAL_SIZE | |
12 | structure WordX: WORD_X | |
13 | end | |
14 | ||
15 | signature REAL_X = | |
16 | sig | |
17 | include REAL_X_STRUCTS | |
18 | ||
19 | (* reals of all RealSize.t sizes. *) | |
20 | type t | |
21 | ||
22 | datatype decon = | |
23 | NAN | |
24 | | ZERO of {signBit: bool} | |
25 | | ONE of {signBit: bool} | |
26 | | POW2 of {signBit: bool, exp: int} (* man = 0.5 *) | |
27 | | FIN of {signBit: bool, exp: int, man: t} | |
28 | | INF of {signBit: bool} | |
29 | ||
30 | val abs: t -> t option | |
31 | val acos: t -> t option | |
32 | val add: t * t -> t option | |
33 | val asin: t -> t option | |
34 | val atan2: t * t -> t option | |
35 | val atan: t -> t option | |
36 | val castFromWord: WordX.t -> t option | |
37 | val castToWord: t -> WordX.t option | |
38 | val cos: t -> t option | |
39 | val decon: t -> decon option | |
40 | val div: t * t -> t option | |
41 | val equal: t * t -> bool option | |
42 | val equals: t * t -> bool | |
43 | val exp: t -> t option | |
44 | val fromIntInf: IntInf.t * RealSize.t -> t option | |
45 | val hash: t -> word | |
46 | val layout: t -> Layout.t | |
47 | val le: t * t -> bool option | |
48 | val ln: t -> t option | |
49 | val log10: t -> t option | |
50 | val lt: t * t -> bool option | |
51 | val make: string * RealSize.t -> t option | |
52 | val mul: t * t -> t option | |
53 | val muladd: t * t * t -> t option | |
54 | val mulsub: t * t * t -> t option | |
55 | val neg: t -> t option | |
56 | val qequal: t * t -> bool option | |
57 | val sin: t -> t option | |
58 | val size: t -> RealSize.t | |
59 | val sqrt: t -> t option | |
60 | val sub: t * t -> t option | |
61 | val tan: t -> t option | |
62 | val toString: t -> string | |
63 | val zero: RealSize.t -> t | |
64 | end |