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1 /* do not edit automatically generated by mc from ldtoa. */
2 /* ldtoa.def provides routines to convert between a C long double.
3
4 Copyright (C) 2008-2024 Free Software Foundation, Inc.
5 Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
6
7 This file is part of GNU Modula-2.
8
9 GNU Modula-2 is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
12 any later version.
13
14 GNU Modula-2 is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
18
19 Under Section 7 of GPL version 3, you are granted additional
20 permissions described in the GCC Runtime Library Exception, version
21 3.1, as published by the Free Software Foundation.
22
23 You should have received a copy of the GNU General Public License and
24 a copy of the GCC Runtime Library Exception along with this program;
25 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
26 <http://www.gnu.org/licenses/>. */
27
28
29 #if !defined (_ldtoa_H)
30 # define _ldtoa_H
31
32 #include "config.h"
33 #include "system.h"
34 # ifdef __cplusplus
35 extern "C" {
36 # endif
37 #include <stdbool.h>
38 # if !defined (PROC_D)
39 # define PROC_D
40 typedef void (*PROC_t) (void);
41 typedef struct { PROC_t proc; } PROC;
42 # endif
43
44 # include "GSYSTEM.h"
45
46 # if defined (_ldtoa_C)
47 # define EXTERN
48 # else
49 # define EXTERN extern
50 # endif
51
52 typedef enum {ldtoa_maxsignificant, ldtoa_decimaldigits} ldtoa_Mode;
53
54
55 /*
56 strtold - returns a LONGREAL given a C string, s. It will set
57 error to TRUE if the number is too large or badly formed.
58 */
59
60 EXTERN long double ldtoa_strtold (void * s, bool *error);
61
62 /*
63 ldtoa - converts a LONGREAL, d, into a string. The address of the
64 string is returned.
65 mode indicates the type of conversion required.
66 ndigits determines the number of digits according to mode.
67 decpt the position of the decimal point.
68 sign does the string have a sign?
69 */
70
71 EXTERN void * ldtoa_ldtoa (long double d, ldtoa_Mode mode, int ndigits, int *decpt, bool *sign);
72 # ifdef __cplusplus
73 }
74 # endif
75
76 # undef EXTERN
77 #endif