forked from arrayfire/arrayfire
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathrandom.cpp
More file actions
181 lines (153 loc) · 4.47 KB
/
random.cpp
File metadata and controls
181 lines (153 loc) · 4.47 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* http://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <af/random.h>
#include <af/array.h>
#include <af/dim4.hpp>
#include <af/data.h>
#include "error.hpp"
namespace af
{
randomEngine::randomEngine(randomEngineType type, uintl seed) : engine(0)
{
AF_THROW(af_create_random_engine(&engine, type, seed));
}
randomEngine::randomEngine(const randomEngine& other) : engine(0)
{
if (this != &other) {
AF_THROW(af_retain_random_engine(&engine, other.get()));
}
}
randomEngine::randomEngine(af_random_engine handle) : engine(handle)
{
}
randomEngine::~randomEngine()
{
if (engine) {
af_release_random_engine(engine);
}
}
randomEngine& randomEngine::operator= (const randomEngine& other)
{
if (this != &other) {
AF_THROW(af_release_random_engine(engine));
AF_THROW(af_retain_random_engine(&engine, other.get()));
}
return *this;
}
randomEngineType randomEngine::getType(void)
{
af_random_engine_type type;
AF_THROW(af_random_engine_get_type(&type, engine));
return type;
}
void randomEngine::setType(const randomEngineType type)
{
AF_THROW(af_random_engine_set_type(&engine, type));
}
void randomEngine::setSeed(const uintl seed)
{
AF_THROW(af_random_engine_set_seed(&engine, seed));
}
uintl randomEngine::getSeed(void) const
{
uintl seed;
AF_THROW(af_random_engine_get_seed(&seed, engine));
return seed;
}
af_random_engine randomEngine::get(void) const
{
return engine;
}
array randu(const dim4 &dims, const dtype ty, randomEngine &r)
{
af_array out;
AF_THROW(af_random_uniform(&out, dims.ndims(), dims.get(), ty, r.get()));
return array(out);
}
array randn(const dim4 &dims, const dtype ty, randomEngine &r)
{
af_array out;
AF_THROW(af_random_normal(&out, dims.ndims(), dims.get(), ty, r.get()));
return array(out);
}
array randu(const dim4 &dims, const af::dtype type)
{
af_array res;
AF_THROW(af_randu(&res, dims.ndims(), dims.get(), type));
return array(res);
}
array randu(const dim_t d0, const af::dtype ty)
{
return randu(dim4(d0), ty);
}
array randu(const dim_t d0,
const dim_t d1, const af::dtype ty)
{
return randu(dim4(d0, d1), ty);
}
array randu(const dim_t d0,
const dim_t d1, const dim_t d2, const af::dtype ty)
{
return randu(dim4(d0, d1, d2), ty);
}
array randu(const dim_t d0,
const dim_t d1, const dim_t d2,
const dim_t d3, const af::dtype ty)
{
return randu(dim4(d0, d1, d2, d3), ty);
}
array randn(const dim4 &dims, const af::dtype type)
{
af_array res;
AF_THROW(af_randn(&res, dims.ndims(), dims.get(), type));
return array(res);
}
array randn(const dim_t d0, const af::dtype ty)
{
return randn(dim4(d0), ty);
}
array randn(const dim_t d0,
const dim_t d1, const af::dtype ty)
{
return randn(dim4(d0, d1), ty);
}
array randn(const dim_t d0,
const dim_t d1, const dim_t d2, const af::dtype ty)
{
return randn(dim4(d0, d1, d2), ty);
}
array randn(const dim_t d0,
const dim_t d1, const dim_t d2,
const dim_t d3, const af::dtype ty)
{
return randn(dim4(d0, d1, d2, d3), ty);
}
void setDefaultRandomEngineType(randomEngineType rtype)
{
AF_THROW(af_set_default_random_engine_type(rtype));
}
randomEngine getDefaultRandomEngine(void)
{
af_random_engine internal_handle = 0;
af_random_engine handle = 0;
AF_THROW(af_get_default_random_engine(&internal_handle));
AF_THROW(af_retain_random_engine(&handle, internal_handle));
return randomEngine(handle);
}
void setSeed(const uintl seed)
{
AF_THROW(af_set_seed(seed));
}
uintl getSeed()
{
uintl seed = 0;
AF_THROW(af_get_seed(&seed));
return seed;
}
}