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a24bd519 LM |
1 | #include <malloc.h> |
2 | #include <stdio.h> | |
3 | #include <string.h> | |
4 | ||
5 | #include "format.h" | |
6 | ||
7 | /* global variables */ | |
8 | ||
9 | #define DEFAULT_FORMAT "=> %.6g\n" | |
e2a309f9 LM |
10 | char *_format = NULL; |
11 | #define DEFAULT_MINFORM "%.6g" | |
12 | char *_minform = NULL; | |
13 | ||
14 | int _precision = 6; | |
15 | ||
16 | #define DEFAULT_PROMPT "=> " | |
17 | char *_prompt = NULL; | |
a24bd519 LM |
18 | |
19 | /* print function */ | |
20 | ||
e2a309f9 LM |
21 | void set_precision (int precision) |
22 | { | |
23 | _precision = precision; | |
24 | } | |
25 | ||
26 | int get_precision () | |
27 | { | |
28 | return _precision; | |
29 | } | |
30 | ||
31 | void set_prompt (char *prompt) | |
32 | { | |
33 | if (_prompt) { | |
34 | free (_prompt); | |
35 | } | |
36 | _prompt = strdup (prompt); | |
37 | } | |
38 | ||
39 | void set_format () | |
a24bd519 LM |
40 | { |
41 | char buffer[128] = {0}; | |
e2a309f9 LM |
42 | sprintf (buffer, "%s%%.%dg\n", _prompt ? _prompt : DEFAULT_PROMPT, _precision); |
43 | if (_format) { | |
44 | free (_format); | |
45 | } | |
46 | _format = strdup (buffer); | |
47 | sprintf (buffer, "%%.%dg", _precision); | |
48 | if (_minform) { | |
49 | free (_minform); | |
50 | } | |
51 | _minform = strdup (buffer); | |
a24bd519 LM |
52 | } |
53 | ||
54 | void free_format () | |
55 | { | |
e2a309f9 LM |
56 | if (_format) { |
57 | free (_format); | |
58 | _format = NULL; | |
59 | } | |
60 | if (_minform) { | |
61 | free (_minform); | |
62 | _minform = NULL; | |
a24bd519 | 63 | } |
e2a309f9 LM |
64 | if (_prompt) { |
65 | free (_prompt); | |
66 | _prompt = NULL; | |
a24bd519 LM |
67 | } |
68 | } | |
69 | ||
70 | double print (double value) | |
71 | { | |
e2a309f9 LM |
72 | fprintf (stdout, _format ? _format : DEFAULT_FORMAT, value); |
73 | fflush (stdout); | |
74 | return value; | |
75 | } | |
76 | ||
77 | double printl (double value) | |
78 | { | |
79 | fprintf (stdout, _minform ? _minform : DEFAULT_MINFORM, value); | |
a24bd519 LM |
80 | fflush (stdout); |
81 | return value; | |
82 | } | |
e4c7b513 LM |
83 | |
84 | /* vim: set ts=4 sw=4 et: */ |