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arrayfire/src/api/cpp/random.cpp at master · arrayfire/arrayfire · GitHub
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random.cpp
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/*
******************************************************
* 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/array.h
>
#
include
<
af/data.h
>
#
include
<
af/dim4.hpp
>
#
include
<
af/random.h
>
#
include
"
error.hpp
"
namespace
af
{
randomEngine::randomEngine
(randomEngineType type,
unsigned
long
long
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 engine) : engine(engine) {}
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
() {
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
unsigned
long
long
seed) {
AF_THROW
(
af_random_engine_set_seed
(&engine, seed));
}
unsigned
long
long
randomEngine::getSeed
()
const
{
unsigned
long
long
seed;
AF_THROW
(
af_random_engine_get_seed
(&seed, engine));
return
seed;
}
af_random_engine
randomEngine::get
()
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
() {
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
unsigned
long
long
seed) {
AF_THROW
(
af_set_seed
(seed)); }
unsigned
long
long
getSeed
() {
unsigned
long
long
seed =
0
;
AF_THROW
(
af_get_seed
(&seed));
return
seed;
}
}
//
namespace af
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