Commit | Line | Data |
---|---|---|
0a46062b | 1 | /* |
ccd7e1c8 | 2 | * float.c |
0a46062b | 3 | * |
ccd7e1c8 | 4 | * BabelTrace - Float Type Converter |
0a46062b | 5 | * |
c054553d | 6 | * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
0a46062b | 7 | * |
ccd7e1c8 MD |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
0a46062b | 14 | * |
ccd7e1c8 MD |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
0a46062b MD |
17 | */ |
18 | ||
19 | #include <babeltrace/compiler.h> | |
4c8bfb7e | 20 | #include <babeltrace/format.h> |
0a46062b | 21 | |
c054553d | 22 | static |
f6625916 | 23 | struct definition *_float_definition_new(struct declaration *declaration, |
05c749e5 MD |
24 | struct definition_scope *parent_scope, |
25 | GQuark field_name, int index); | |
c054553d | 26 | static |
e1151715 | 27 | void _float_definition_free(struct definition *definition); |
c054553d | 28 | |
4c8bfb7e MD |
29 | void float_copy(struct stream_pos *destp, |
30 | const struct format *fdest, | |
31 | struct stream_pos *srcp, | |
32 | const struct format *fsrc, | |
e1151715 | 33 | struct definition *definition) |
0a46062b | 34 | { |
e1151715 MD |
35 | struct definition_float *_float = |
36 | container_of(definition, struct definition_float, p); | |
f6625916 | 37 | struct declaration_float *float_declaration = _float->declaration; |
dc48ecad | 38 | long double v; |
0a46062b | 39 | |
dc48ecad MD |
40 | v = fsrc->ldouble_read(srcp, float_declaration); |
41 | _float->value = v; | |
42 | if (fdest) | |
43 | fdest->ldouble_write(destp, float_declaration, v); | |
0a46062b MD |
44 | } |
45 | ||
c054553d | 46 | static |
f6625916 | 47 | void _float_declaration_free(struct declaration *declaration) |
90b676d7 | 48 | { |
f6625916 MD |
49 | struct declaration_float *float_declaration = |
50 | container_of(declaration, struct declaration_float, p); | |
c054553d | 51 | |
f6625916 MD |
52 | declaration_unref(&float_declaration->exp->p); |
53 | declaration_unref(&float_declaration->mantissa->p); | |
54 | declaration_unref(&float_declaration->sign->p); | |
55 | g_free(float_declaration); | |
90b676d7 MD |
56 | } |
57 | ||
f6625916 | 58 | struct declaration_float * |
add40b62 | 59 | float_declaration_new(size_t mantissa_len, |
e19c3d69 | 60 | size_t exp_len, int byte_order, size_t alignment) |
0a46062b | 61 | { |
f6625916 MD |
62 | struct declaration_float *float_declaration; |
63 | struct declaration *declaration; | |
0a46062b | 64 | |
f6625916 MD |
65 | float_declaration = g_new(struct declaration_float, 1); |
66 | declaration = &float_declaration->p; | |
67 | declaration->id = CTF_TYPE_FLOAT; | |
f6625916 MD |
68 | declaration->alignment = alignment; |
69 | declaration->copy = float_copy; | |
70 | declaration->declaration_free = _float_declaration_free; | |
71 | declaration->definition_new = _float_definition_new; | |
72 | declaration->definition_free = _float_definition_free; | |
73 | declaration->ref = 1; | |
74 | float_declaration->byte_order = byte_order; | |
e19c3d69 | 75 | |
add40b62 | 76 | float_declaration->sign = integer_declaration_new(1, |
e19c3d69 | 77 | byte_order, false, 1); |
add40b62 | 78 | float_declaration->mantissa = integer_declaration_new(mantissa_len - 1, |
e19c3d69 | 79 | byte_order, false, 1); |
add40b62 | 80 | float_declaration->exp = integer_declaration_new(exp_len, |
e19c3d69 | 81 | byte_order, true, 1); |
f6625916 | 82 | return float_declaration; |
0a46062b | 83 | } |
c054553d MD |
84 | |
85 | static | |
e1151715 | 86 | struct definition * |
f6625916 | 87 | _float_definition_new(struct declaration *declaration, |
05c749e5 MD |
88 | struct definition_scope *parent_scope, |
89 | GQuark field_name, int index) | |
c054553d | 90 | { |
f6625916 MD |
91 | struct declaration_float *float_declaration = |
92 | container_of(declaration, struct declaration_float, p); | |
e1151715 | 93 | struct definition_float *_float; |
c054553d | 94 | |
e1151715 | 95 | _float = g_new(struct definition_float, 1); |
f6625916 | 96 | declaration_ref(&float_declaration->p); |
05c749e5 MD |
97 | _float->p.declaration = declaration; |
98 | _float->declaration = float_declaration; | |
c054553d | 99 | _float->p.ref = 1; |
05c749e5 | 100 | _float->p.index = index; |
c054553d MD |
101 | _float->value = 0.0; |
102 | return &_float->p; | |
103 | } | |
104 | ||
105 | static | |
e1151715 | 106 | void _float_definition_free(struct definition *definition) |
c054553d | 107 | { |
e1151715 MD |
108 | struct definition_float *_float = |
109 | container_of(definition, struct definition_float, p); | |
c054553d | 110 | |
f6625916 | 111 | declaration_unref(_float->p.declaration); |
c054553d MD |
112 | g_free(_float); |
113 | } |