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  • Committer: Bazaar Package Importer
  • Author(s): LaMont Jones
  • Date: 2005-11-30 18:21:27 UTC
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20051130182127-5iww7elbiyzej1lk
Tags: upstream-0.8.0
Import upstream version 0.8.0

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reallyslick/include/rsMath/rsTrigonometry.h
 
1
/*
 
2
 * Copyright (C) 1999-2005  Terence M. Welsh
 
3
 *
 
4
 * This file is part of rsMath.
 
5
 *
 
6
 * rsMath is free software; you can redistribute it and/or
 
7
 * modify it under the terms of the GNU Lesser General Public
 
8
 * License version 2.1 as published by the Free Software Foundation.
 
9
 *
 
10
 * rsMath is distributed in the hope that it will be useful,
 
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
13
 * GNU General Public License for more details.
 
14
 *
 
15
 * You should have received a copy of the GNU Lesser General Public
 
16
 * License along with this program; if not, write to the Free Software
 
17
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
18
 */
 
19
 
 
20
 
 
21
#ifndef RSTRIGONOMETRY_H
 
22
#define RSTRIGONOMETRY_H
 
23
 
 
24
 
 
25
 
 
26
static float rs_cosine_table[256] = {
 
27
        1.0f, 0.999699f, 0.998795f, 0.99729f, 0.995185f, 0.99248f, 0.989177f, 0.985278f, 
 
28
        0.980785f, 0.975702f, 0.970031f, 0.963776f, 0.95694f, 0.949528f, 0.941544f, 0.932993f, 
 
29
        0.92388f, 0.91421f, 0.903989f, 0.893224f, 0.881921f, 0.870087f, 0.857729f, 0.844854f, 
 
30
        0.83147f, 0.817585f, 0.803208f, 0.788346f, 0.77301f, 0.757209f, 0.740951f, 0.724247f, 
 
31
        0.707107f, 0.689541f, 0.671559f, 0.653173f, 0.634393f, 0.615232f, 0.595699f, 0.575808f, 
 
32
        0.55557f, 0.534998f, 0.514103f, 0.492898f, 0.471397f, 0.449611f, 0.427555f, 0.405241f, 
 
33
        0.382683f, 0.359895f, 0.33689f, 0.313682f, 0.290285f, 0.266713f, 0.24298f, 0.219101f, 
 
34
        0.19509f, 0.170962f, 0.14673f, 0.122411f, 0.0980171f, 0.0735645f, 0.0490676f, 0.0245412f, 
 
35
        0.0f, -0.0245413f, -0.0490677f, -0.0735646f, -0.0980172f, -0.122411f, -0.146731f, -0.170962f, 
 
36
        -0.19509f, -0.219101f, -0.24298f, -0.266713f, -0.290285f, -0.313682f, -0.33689f, -0.359895f, 
 
37
        -0.382683f, -0.405241f, -0.427555f, -0.449611f, -0.471397f, -0.492898f, -0.514103f, -0.534998f, 
 
38
        -0.55557f, -0.575808f, -0.595699f, -0.615232f, -0.634393f, -0.653173f, -0.671559f, -0.689541f, 
 
39
        -0.707107f, -0.724247f, -0.740951f, -0.757209f, -0.77301f, -0.788346f, -0.803208f, -0.817585f, 
 
40
        -0.83147f, -0.844854f, -0.857729f, -0.870087f, -0.881921f, -0.893224f, -0.903989f, -0.91421f, 
 
41
        -0.92388f, -0.932993f, -0.941544f, -0.949528f, -0.95694f, -0.963776f, -0.970031f, -0.975702f, 
 
42
        -0.980785f, -0.985278f, -0.989177f, -0.99248f, -0.995185f, -0.99729f, -0.998795f, -0.999699f, 
 
43
        -1.0f, -0.999699f, -0.998795f, -0.99729f, -0.995185f, -0.99248f, -0.989177f, -0.985278f, 
 
44
        -0.980785f, -0.975702f, -0.970031f, -0.963776f, -0.95694f, -0.949528f, -0.941544f, -0.932993f, 
 
45
        -0.92388f, -0.91421f, -0.903989f, -0.893224f, -0.881921f, -0.870087f, -0.857729f, -0.844854f, 
 
46
        -0.83147f, -0.817585f, -0.803207f, -0.788346f, -0.77301f, -0.757209f, -0.740951f, -0.724247f, 
 
47
        -0.707107f, -0.68954f, -0.671559f, -0.653173f, -0.634393f, -0.615232f, -0.595699f, -0.575808f, 
 
48
        -0.55557f, -0.534998f, -0.514103f, -0.492898f, -0.471397f, -0.449611f, -0.427555f, -0.405241f, 
 
49
        -0.382683f, -0.359895f, -0.33689f, -0.313682f, -0.290285f, -0.266713f, -0.24298f, -0.219101f, 
 
50
        -0.19509f, -0.170962f, -0.14673f, -0.122411f, -0.098017f, -0.0735644f, -0.0490675f, -0.0245411f, 
 
51
        0.0f, 0.0245414f, 0.0490678f, 0.0735647f, 0.0980173f, 0.122411f, 0.146731f, 0.170962f, 
 
52
        0.19509f, 0.219101f, 0.24298f, 0.266713f, 0.290285f, 0.313682f, 0.33689f, 0.359895f, 
 
53
        0.382684f, 0.405241f, 0.427555f, 0.449611f, 0.471397f, 0.492898f, 0.514103f, 0.534998f, 
 
54
        0.55557f, 0.575808f, 0.595699f, 0.615232f, 0.634393f, 0.653173f, 0.671559f, 0.689541f, 
 
55
        0.707107f, 0.724247f, 0.740951f, 0.757209f, 0.773011f, 0.788347f, 0.803208f, 0.817585f, 
 
56
        0.83147f, 0.844854f, 0.857729f, 0.870087f, 0.881921f, 0.893224f, 0.903989f, 0.91421f, 
 
57
        0.92388f, 0.932993f, 0.941544f, 0.949528f, 0.95694f, 0.963776f, 0.970031f, 0.975702f, 
 
58
        0.980785f, 0.985278f, 0.989177f, 0.99248f, 0.995185f, 0.99729f, 0.998795f, 0.999699f
 
59
};
 
60
 
 
61
 
 
62
static float rs_cosine_fraction_table[256] = {
 
63
        -0.000301181f, -0.000903363f, -0.001505f, -0.00210573f, -0.00270519f, -0.00330302f, -0.00389887f, -0.00449236f, 
 
64
        -0.00508315f, -0.00567088f, -0.00625519f, -0.00683573f, -0.00741216f, -0.00798412f, -0.00855127f, -0.00911327f, 
 
65
        -0.00966978f, -0.0102205f, -0.010765f, -0.011303f, -0.0118343f, -0.0123584f, -0.012875f, -0.013384f, 
 
66
        -0.0138848f, -0.0143773f, -0.0148611f, -0.015336f, -0.0158016f, -0.0162577f, -0.016704f, -0.0171403f, 
 
67
        -0.0175662f, -0.0179816f, -0.0183861f, -0.0187796f, -0.0191617f, -0.0195323f, -0.0198911f, -0.020238f, 
 
68
        -0.0205726f, -0.0208949f, -0.0212046f, -0.0215015f, -0.0217854f, -0.0220562f, -0.0223138f, -0.0225579f, 
 
69
        -0.0227884f, -0.0230052f, -0.0232081f, -0.0233971f, -0.0235719f, -0.0237326f, -0.0238789f, -0.0240109f, 
 
70
        -0.0241284f, -0.0242314f, -0.0243198f, -0.0243935f, -0.0244526f, -0.0244969f, -0.0245264f, -0.0245412f, 
 
71
        -0.0245412f, -0.0245264f, -0.0244969f, -0.0244526f, -0.0243935f, -0.0243198f, -0.0242314f, -0.0241284f, 
 
72
        -0.0240109f, -0.0238789f, -0.0237326f, -0.0235719f, -0.0233971f, -0.0232081f, -0.0230052f, -0.0227884f, 
 
73
        -0.0225579f, -0.0223138f, -0.0220562f, -0.0217854f, -0.0215015f, -0.0212046f, -0.0208949f, -0.0205726f, 
 
74
        -0.020238f, -0.0198911f, -0.0195323f, -0.0191617f, -0.0187796f, -0.0183861f, -0.0179816f, -0.0175662f, 
 
75
        -0.0171403f, -0.016704f, -0.0162577f, -0.0158016f, -0.015336f, -0.0148611f, -0.0143773f, -0.0138848f, 
 
76
        -0.013384f, -0.012875f, -0.0123584f, -0.0118343f, -0.011303f, -0.010765f, -0.0102205f, -0.00966978f, 
 
77
        -0.00911327f, -0.00855127f, -0.00798411f, -0.00741215f, -0.00683573f, -0.00625519f, -0.00567087f, -0.00508315f, 
 
78
        -0.00449236f, -0.00389887f, -0.00330302f, -0.00270519f, -0.00210573f, -0.001505f, -0.00090336f, -0.000301179f, 
 
79
        0.000301183f, 0.000903365f, 0.001505f, 0.00210573f, 0.00270519f, 0.00330303f, 0.00389887f, 0.00449236f, 
 
80
        0.00508315f, 0.00567088f, 0.00625519f, 0.00683573f, 0.00741216f, 0.00798412f, 0.00855127f, 0.00911327f, 
 
81
        0.00966978f, 0.0102205f, 0.010765f, 0.011303f, 0.0118343f, 0.0123584f, 0.012875f, 0.013384f, 
 
82
        0.0138848f, 0.0143773f, 0.0148611f, 0.015336f, 0.0158016f, 0.0162577f, 0.016704f, 0.0171403f, 
 
83
        0.0175662f, 0.0179816f, 0.0183861f, 0.0187796f, 0.0191617f, 0.0195323f, 0.0198911f, 0.020238f, 
 
84
        0.0205726f, 0.0208949f, 0.0212046f, 0.0215015f, 0.0217854f, 0.0220562f, 0.0223138f, 0.0225579f, 
 
85
        0.0227884f, 0.0230052f, 0.0232081f, 0.0233971f, 0.0235719f, 0.0237326f, 0.0238789f, 0.0240109f, 
 
86
        0.0241284f, 0.0242314f, 0.0243198f, 0.0243935f, 0.0244526f, 0.0244969f, 0.0245264f, 0.0245412f, 
 
87
        0.0245412f, 0.0245264f, 0.0244969f, 0.0244526f, 0.0243935f, 0.0243198f, 0.0242314f, 0.0241284f, 
 
88
        0.0240109f, 0.0238789f, 0.0237326f, 0.0235719f, 0.0233971f, 0.0232081f, 0.0230052f, 0.0227884f, 
 
89
        0.0225579f, 0.0223138f, 0.0220562f, 0.0217854f, 0.0215015f, 0.0212046f, 0.0208949f, 0.0205726f, 
 
90
        0.020238f, 0.0198911f, 0.0195323f, 0.0191617f, 0.0187796f, 0.0183861f, 0.0179816f, 0.0175662f, 
 
91
        0.0171403f, 0.016704f, 0.0162577f, 0.0158016f, 0.015336f, 0.0148611f, 0.0143773f, 0.0138848f, 
 
92
        0.013384f, 0.012875f, 0.0123584f, 0.0118343f, 0.011303f, 0.010765f, 0.0102205f, 0.00966977f, 
 
93
        0.00911326f, 0.00855126f, 0.00798411f, 0.00741215f, 0.00683573f, 0.00625518f, 0.00567087f, 0.00508315f, 
 
94
        0.00449236f, 0.00389886f, 0.00330302f, 0.00270519f, 0.00210573f, 0.001505f, 0.000903358f, 0.000301177f
 
95
};
 
96
 
 
97
 
 
98
static float rs_sine_table[256] = {
 
99
        0.0f, 0.0245412f, 0.0490677f, 0.0735646f, 0.0980171f, 0.122411f, 0.14673f, 0.170962f, 
 
100
        0.19509f, 0.219101f, 0.24298f, 0.266713f, 0.290285f, 0.313682f, 0.33689f, 0.359895f, 
 
101
        0.382683f, 0.405241f, 0.427555f, 0.449611f, 0.471397f, 0.492898f, 0.514103f, 0.534998f, 
 
102
        0.55557f, 0.575808f, 0.595699f, 0.615232f, 0.634393f, 0.653173f, 0.671559f, 0.689541f, 
 
103
        0.707107f, 0.724247f, 0.740951f, 0.757209f, 0.77301f, 0.788346f, 0.803208f, 0.817585f, 
 
104
        0.83147f, 0.844854f, 0.857729f, 0.870087f, 0.881921f, 0.893224f, 0.903989f, 0.91421f, 
 
105
        0.92388f, 0.932993f, 0.941544f, 0.949528f, 0.95694f, 0.963776f, 0.970031f, 0.975702f, 
 
106
        0.980785f, 0.985278f, 0.989177f, 0.99248f, 0.995185f, 0.99729f, 0.998795f, 0.999699f, 
 
107
        1.0f, 0.999699f, 0.998795f, 0.99729f, 0.995185f, 0.99248f, 0.989177f, 0.985278f, 
 
108
        0.980785f, 0.975702f, 0.970031f, 0.963776f, 0.95694f, 0.949528f, 0.941544f, 0.932993f, 
 
109
        0.92388f, 0.91421f, 0.903989f, 0.893224f, 0.881921f, 0.870087f, 0.857729f, 0.844854f, 
 
110
        0.83147f, 0.817585f, 0.803208f, 0.788346f, 0.77301f, 0.757209f, 0.740951f, 0.724247f, 
 
111
        0.707107f, 0.689541f, 0.671559f, 0.653173f, 0.634393f, 0.615232f, 0.595699f, 0.575808f, 
 
112
        0.55557f, 0.534998f, 0.514103f, 0.492898f, 0.471397f, 0.449611f, 0.427555f, 0.405241f, 
 
113
        0.382683f, 0.359895f, 0.33689f, 0.313682f, 0.290285f, 0.266713f, 0.24298f, 0.219101f, 
 
114
        0.19509f, 0.170962f, 0.14673f, 0.122411f, 0.0980171f, 0.0735645f, 0.0490676f, 0.0245411f, 
 
115
        -0.0f, -0.0245413f, -0.0490678f, -0.0735647f, -0.0980172f, -0.122411f, -0.146731f, -0.170962f, 
 
116
        -0.19509f, -0.219101f, -0.24298f, -0.266713f, -0.290285f, -0.313682f, -0.33689f, -0.359895f, 
 
117
        -0.382684f, -0.405241f, -0.427555f, -0.449611f, -0.471397f, -0.492898f, -0.514103f, -0.534998f, 
 
118
        -0.55557f, -0.575808f, -0.595699f, -0.615232f, -0.634393f, -0.653173f, -0.671559f, -0.689541f, 
 
119
        -0.707107f, -0.724247f, -0.740951f, -0.757209f, -0.773011f, -0.788346f, -0.803208f, -0.817585f, 
 
120
        -0.83147f, -0.844854f, -0.857729f, -0.870087f, -0.881921f, -0.893224f, -0.903989f, -0.91421f, 
 
121
        -0.92388f, -0.932993f, -0.941544f, -0.949528f, -0.95694f, -0.963776f, -0.970031f, -0.975702f, 
 
122
        -0.980785f, -0.985278f, -0.989177f, -0.99248f, -0.995185f, -0.99729f, -0.998795f, -0.999699f, 
 
123
        -1.0f, -0.999699f, -0.998795f, -0.99729f, -0.995185f, -0.99248f, -0.989177f, -0.985278f, 
 
124
        -0.980785f, -0.975702f, -0.970031f, -0.963776f, -0.95694f, -0.949528f, -0.941544f, -0.932993f, 
 
125
        -0.92388f, -0.91421f, -0.903989f, -0.893224f, -0.881921f, -0.870087f, -0.857729f, -0.844853f, 
 
126
        -0.83147f, -0.817585f, -0.803207f, -0.788346f, -0.77301f, -0.757209f, -0.740951f, -0.724247f, 
 
127
        -0.707107f, -0.68954f, -0.671559f, -0.653173f, -0.634393f, -0.615231f, -0.595699f, -0.575808f, 
 
128
        -0.55557f, -0.534997f, -0.514103f, -0.492898f, -0.471397f, -0.449611f, -0.427555f, -0.405241f, 
 
129
        -0.382683f, -0.359895f, -0.33689f, -0.313682f, -0.290285f, -0.266713f, -0.24298f, -0.219101f, 
 
130
        -0.19509f, -0.170962f, -0.14673f, -0.122411f, -0.098017f, -0.0735644f, -0.0490675f, -0.0245411f
 
131
};
 
132
 
 
133
 
 
134
static float rs_sine_fraction_table[256] = {
 
135
        0.0245412f, 0.0245264f, 0.0244969f, 0.0244526f, 0.0243935f, 0.0243198f, 0.0242314f, 0.0241284f, 
 
136
        0.0240109f, 0.0238789f, 0.0237326f, 0.0235719f, 0.0233971f, 0.0232081f, 0.0230052f, 0.0227884f, 
 
137
        0.0225579f, 0.0223138f, 0.0220562f, 0.0217854f, 0.0215015f, 0.0212046f, 0.0208949f, 0.0205726f, 
 
138
        0.020238f, 0.0198911f, 0.0195323f, 0.0191617f, 0.0187796f, 0.0183861f, 0.0179816f, 0.0175662f, 
 
139
        0.0171403f, 0.016704f, 0.0162577f, 0.0158016f, 0.015336f, 0.0148611f, 0.0143773f, 0.0138848f, 
 
140
        0.013384f, 0.012875f, 0.0123584f, 0.0118343f, 0.011303f, 0.010765f, 0.0102205f, 0.00966978f, 
 
141
        0.00911327f, 0.00855127f, 0.00798411f, 0.00741215f, 0.00683573f, 0.00625519f, 0.00567088f, 0.00508315f, 
 
142
        0.00449236f, 0.00389887f, 0.00330302f, 0.00270519f, 0.00210573f, 0.001505f, 0.000903361f, 0.00030118f, 
 
143
        -0.000301182f, -0.000903364f, -0.001505f, -0.00210573f, -0.00270519f, -0.00330303f, -0.00389887f, -0.00449236f, 
 
144
        -0.00508315f, -0.00567088f, -0.00625519f, -0.00683573f, -0.00741216f, -0.00798412f, -0.00855127f, -0.00911327f, 
 
145
        -0.00966978f, -0.0102205f, -0.010765f, -0.011303f, -0.0118343f, -0.0123584f, -0.012875f, -0.013384f, 
 
146
        -0.0138848f, -0.0143773f, -0.0148611f, -0.015336f, -0.0158016f, -0.0162577f, -0.016704f, -0.0171403f, 
 
147
        -0.0175662f, -0.0179816f, -0.0183861f, -0.0187796f, -0.0191617f, -0.0195323f, -0.0198911f, -0.020238f, 
 
148
        -0.0205726f, -0.0208949f, -0.0212046f, -0.0215015f, -0.0217854f, -0.0220562f, -0.0223138f, -0.0225579f, 
 
149
        -0.0227884f, -0.0230052f, -0.0232081f, -0.0233971f, -0.0235719f, -0.0237326f, -0.0238789f, -0.0240109f, 
 
150
        -0.0241284f, -0.0242314f, -0.0243198f, -0.0243935f, -0.0244526f, -0.0244969f, -0.0245264f, -0.0245412f, 
 
151
        -0.0245412f, -0.0245264f, -0.0244969f, -0.0244526f, -0.0243935f, -0.0243198f, -0.0242314f, -0.0241284f, 
 
152
        -0.0240109f, -0.0238789f, -0.0237326f, -0.0235719f, -0.0233971f, -0.0232081f, -0.0230052f, -0.0227884f, 
 
153
        -0.0225579f, -0.0223138f, -0.0220562f, -0.0217854f, -0.0215015f, -0.0212046f, -0.0208949f, -0.0205726f, 
 
154
        -0.020238f, -0.0198911f, -0.0195323f, -0.0191617f, -0.0187796f, -0.0183861f, -0.0179816f, -0.0175662f, 
 
155
        -0.0171403f, -0.016704f, -0.0162577f, -0.0158016f, -0.015336f, -0.0148611f, -0.0143773f, -0.0138848f, 
 
156
        -0.013384f, -0.012875f, -0.0123584f, -0.0118343f, -0.011303f, -0.010765f, -0.0102205f, -0.00966977f, 
 
157
        -0.00911326f, -0.00855126f, -0.00798411f, -0.00741215f, -0.00683573f, -0.00625518f, -0.00567087f, -0.00508315f, 
 
158
        -0.00449236f, -0.00389886f, -0.00330302f, -0.00270519f, -0.00210573f, -0.001505f, -0.000903359f, -0.000301178f, 
 
159
        0.000301185f, 0.000903366f, 0.001505f, 0.00210573f, 0.0027052f, 0.00330303f, 0.00389887f, 0.00449237f, 
 
160
        0.00508315f, 0.00567088f, 0.00625519f, 0.00683573f, 0.00741216f, 0.00798412f, 0.00855127f, 0.00911327f, 
 
161
        0.00966978f, 0.0102205f, 0.010765f, 0.011303f, 0.0118343f, 0.0123584f, 0.012875f, 0.013384f, 
 
162
        0.0138848f, 0.0143773f, 0.0148611f, 0.015336f, 0.0158016f, 0.0162577f, 0.016704f, 0.0171403f, 
 
163
        0.0175662f, 0.0179816f, 0.0183861f, 0.0187796f, 0.0191617f, 0.0195323f, 0.0198911f, 0.020238f, 
 
164
        0.0205726f, 0.0208949f, 0.0212046f, 0.0215015f, 0.0217854f, 0.0220562f, 0.0223138f, 0.0225579f, 
 
165
        0.0227884f, 0.0230052f, 0.0232081f, 0.0233971f, 0.0235719f, 0.0237326f, 0.0238789f, 0.0240109f, 
 
166
        0.0241284f, 0.0242314f, 0.0243198f, 0.0243935f, 0.0244526f, 0.0244969f, 0.0245264f, 0.0245412f
 
167
};
 
168
 
 
169
 
 
170
// union to help with fast typecasting from int to float
 
171
typedef union{
 
172
        unsigned char c[4];
 
173
        float f;
 
174
} bytes_or_float;
 
175
 
 
176
 
 
177
// Fast trig functions
 
178
// They're not as precise as cosf and sinf, but they're stupid fast.
 
179
inline float rsCosf(float value){
 
180
        bytes_or_float bof;
 
181
        // Remap value from {0,2pi} to {0,65536} and add fast typecast bias
 
182
        bof.f = value * (65536.0f / 6.28318530718f) + 12582912.0f;
 
183
        // Use low-order byte for fractional multiplier
 
184
        const float fraction(float(bof.c[0]) * 0.00390625f);
 
185
        // Use high-order byte for table lookup
 
186
        const unsigned char i(bof.c[1]);
 
187
        // Do it
 
188
        return rs_cosine_table[i] + fraction * rs_cosine_fraction_table[i];
 
189
}
 
190
 
 
191
 
 
192
inline float rsSinf(float value){
 
193
        bytes_or_float bof;
 
194
        // Remap value from {0,2pi} to {0,65536} and add fast typecast bias
 
195
        bof.f = value * (65536.0f / 6.28318530718f) + 12582912.0f;
 
196
        // Use low-order byte for fractional multiplier
 
197
        const float fraction(float(bof.c[0]) * 0.00390625f);
 
198
        // Use high-order byte for table lookup
 
199
        const unsigned char i(bof.c[1]);
 
200
        // Do it
 
201
        return rs_sine_table[i] + fraction * rs_sine_fraction_table[i];
 
202
}
 
203
 
 
204
 
 
205
        /*outfile.open("outfile");
 
206
        outfile << "float rs_cosine_table[256] = {" << std::endl;
 
207
        for(int i=0; i<256; i++){
 
208
                if(!(i % 8))
 
209
                        outfile << std::endl << "\t";
 
210
                outfile << cosf(RS_PIx2 * float(i) / 256.0f) << "f, ";
 
211
        }
 
212
        outfile << std::endl << "};" << std::endl;
 
213
        outfile << "float rs_cosine_fraction_table[256] = {" << std::endl;
 
214
        for(int i=0; i<256; i++){
 
215
                if(!(i % 8))
 
216
                        outfile << std::endl << "\t";
 
217
                outfile << cosf(RS_PIx2 * float(i+1) / 256.0f) - cosf(RS_PIx2 * float(i) / 256.0f) << "f, ";
 
218
        }
 
219
        outfile << std::endl << "};" << std::endl;
 
220
        outfile << "float rs_sine_table[256] = {" << std::endl;
 
221
        for(int i=0; i<256; i++){
 
222
                if(!(i % 8))
 
223
                        outfile << std::endl << "\t";
 
224
                outfile << sinf(RS_PIx2 * float(i) / 256.0f) << "f, ";
 
225
        }
 
226
        outfile << std::endl << "};" << std::endl;
 
227
        outfile << "float rs_sine_fraction_table[256] = {" << std::endl;
 
228
        for(int i=0; i<256; i++){
 
229
                if(!(i % 8))
 
230
                        outfile << std::endl << "\t";
 
231
                outfile << sinf(RS_PIx2 * float(i+1) / 256.0f) - sinf(RS_PIx2 * float(i) / 256.0f) << "f, ";
 
232
        }
 
233
        outfile << std::endl << "};" << std::endl;*/
 
234
 
 
235
 
 
236
 
 
237
#endif
 
238