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arrayfire/test/dog.cpp at master · AMD-Ecosystem/arrayfire · GitHub
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/*
******************************************************
* Copyright (c) 2015, 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
<
arrayfire.h
>
#
include
<
gtest/gtest.h
>
#
include
<
testHelpers.hpp
>
#
include
<
af/dim4.hpp
>
#
include
<
af/traits.hpp
>
#
include
<
af/vision.h
>
#
include
<
string
>
#
include
<
vector
>
using
af::array;
using
af::convolve2;
using
af::dim4;
using
af::dog;
using
af::dtype_traits;
using
af::exception;
using
af::gaussianKernel;
using
af::randu;
using
af::sum;
template
<
typename
T>
class
DOG
: public ::testing::Test {
public:
virtual
void
SetUp
() {}
};
//
create a list of types to be tested
typedef
::testing::Types<
float
,
double
,
int
, uint,
char
, schar, uchar,
short
,
ushort>
TestTypes;
//
register the type list
TYPED_TEST_SUITE
(
DOG
, TestTypes);
TYPED_TEST
(
DOG
, Basic) {
SUPPORTED_TYPE_CHECK
(TypeParam);
dim4
iDims
(
512
,
512
,
1
,
1
);
array in =
constant
(
1
, iDims, (af_dtype)dtype_traits<
float
>::af_type);
/*
calculate DOG using ArrayFire functions
*/
array k1 =
gaussianKernel
(
3
,
3
);
array k2 =
gaussianKernel
(
2
,
2
);
array smth1 =
convolve2
(in, k1);
array smth2 =
convolve2
(in, k2);
array diff = smth1 - smth2;
/*
calcuate DOG using new function
*/
array out =
dog
(in,
3
,
2
);
/*
compare both the values
*/
float
accumErr = sum<
float
>(out - diff);
EXPECT_EQ
(
true
, accumErr <
1.0e-2
);
}
TYPED_TEST
(
DOG
, Batch) {
SUPPORTED_TYPE_CHECK
(TypeParam);
dim4
iDims
(
512
,
512
,
3
,
1
);
array in =
constant
(
1
, iDims, (af_dtype)dtype_traits<
float
>::af_type);
/*
calculate DOG using ArrayFire functions
*/
array k1 =
gaussianKernel
(
3
,
3
);
array k2 =
gaussianKernel
(
2
,
2
);
array smth1 =
convolve2
(in, k1);
array smth2 =
convolve2
(in, k2);
array diff = smth1 - smth2;
/*
calcuate DOG using new function
*/
array out =
dog
(in,
3
,
2
);
/*
compare both the values
*/
float
accumErr = sum<
float
>(out - diff);
EXPECT_EQ
(
true
, accumErr <
1.0e-2
);
}
TYPED_TEST
(
DOG
, InvalidArray) {
array in =
randu
(
512
);
EXPECT_THROW
(
dog
(in,
3
,
2
), exception);
}
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