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/*
******************************************************
* Copyright (c) 2019, 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
<
iostream
>
#
include
<
vector
>
#
include
<
../extern/half/include/half.hpp
>
#
include
<
testHelpers.hpp
>
using
af::array;
using
af::constant;
using
af::half;
using
std::vector;
TEST
(Half, print) {
SUPPORTED_TYPE_CHECK
(af_half);
array aa =
af::constant
(
3.14
,
3
,
3
,
f16
);
array bb =
af::constant
(
2
,
3
,
3
,
f16
);
af_print
(aa);
}
struct
convert_params
{
af_dtype from, to;
double
value;
convert_params
(af_dtype f, af_dtype t,
double
v)
: from(f), to(t), value(v) {}
};
class
HalfConvert
: public ::testing::TestWithParam<convert_params> {};
INSTANTIATE_TEST_SUITE_P
(ToF16, HalfConvert,
::testing::Values
(convert_params(
f32
,
f16
,
10
),
convert_params(
f64
,
f16
,
10
),
convert_params(s32,
f16
,
10
),
convert_params(
u32
,
f16
,
10
),
convert_params(s8,
f16
,
10
),
convert_params(
u8
,
f16
,
10
),
convert_params(s64,
f16
,
10
),
convert_params(
u64
,
f16
,
10
),
convert_params(s16,
f16
,
10
),
convert_params(
u16
,
f16
,
10
),
convert_params(
f16
,
f16
,
10
)));
INSTANTIATE_TEST_SUITE_P
(FromF16, HalfConvert,
::testing::Values
(convert_params(
f16
,
f32
,
10
),
convert_params(
f16
,
f64
,
10
),
convert_params(
f16
, s32,
10
),
convert_params(
f16
,
u32
,
10
),
convert_params(
f16
, s8,
10
),
convert_params(
f16
,
u8
,
10
),
convert_params(
f16
, s64,
10
),
convert_params(
f16
,
u64
,
10
),
convert_params(
f16
, s16,
10
),
convert_params(
f16
,
u16
,
10
),
convert_params(
f16
,
f16
,
10
)));
TEST_P
(HalfConvert, convert) {
SUPPORTED_TYPE_CHECK
(af_half);
convert_params params =
GetParam
();
if
(
noDoubleTests
(params.
to
))
GTEST_SKIP
() <<
"
Double not supported on this device
"
;
if
(
noDoubleTests
(params.
from
))
GTEST_SKIP
() <<
"
Double not supported on this device
"
;
array from =
af::constant
(params.
value
,
3
,
3
, params.
from
);
array to = from.
as
(params.
to
);
ASSERT_EQ
(from.
type
(), params.
from
);
ASSERT_EQ
(to.
type
(), params.
to
);
array gold =
af::constant
(params.
value
,
3
,
3
, params.
to
);
ASSERT_ARRAYS_EQ
(gold, to);
}
TEST
(Half, arith) {
SUPPORTED_TYPE_CHECK
(af_half);
array aa =
af::constant
(
3.14
,
3
,
3
,
f16
);
array bb =
af::constant
(
1
,
3
,
3
,
f16
);
array gold =
constant
(
4.14
,
3
,
3
,
f16
);
array result = bb + aa;
ASSERT_ARRAYS_EQ
(gold, result);
}
TEST
(Half, isInf) {
SUPPORTED_TYPE_CHECK
(af_half);
SKIP_IF_FAST_MATH_ENABLED
();
half_float::half hinf = std::numeric_limits<half_float::half>::
infinity
();
vector<half_float::half>
input
(
2
,
half_float::half
(
0
));
input[
0
] = hinf;
array
infarr
(
2
, &input.
front
());
array res =
isInf
(infarr);
vector<
char
>
hgold
(
2
,
0
);
hgold[
0
] =
1
;
array
gold
(
2
, &hgold.
front
());
ASSERT_ARRAYS_EQ
(gold, res);
}
TEST
(Half, isNan) {
SUPPORTED_TYPE_CHECK
(af_half);
SKIP_IF_FAST_MATH_ENABLED
();
half_float::half hnan = std::numeric_limits<half_float::half>::
quiet_NaN
();
vector<half_float::half>
input
(
2
,
half_float::half
(
0
));
input[
0
] = hnan;
array
nanarr
(
2
, &input.
front
());
array res =
isNaN
(nanarr);
vector<
char
>
hgold
(
2
,
0
);
hgold[
0
] =
1
;
array
gold
(
2
, &hgold.
front
());
ASSERT_ARRAYS_EQ
(gold, res);
}
TEST
(Half, isZero) {
SUPPORTED_TYPE_CHECK
(af_half);
half_float::half
hzero
(
0
.
f
);
vector<half_float::half>
input
(
2
,
half_float::half
(
1
));
input[
0
] = hzero;
array
nanarr
(
2
, &input.
front
());
array res =
iszero
(nanarr);
vector<
char
>
hgold
(
2
,
0
);
hgold[
0
] =
1
;
array
gold
(
2
, &hgold.
front
());
ASSERT_ARRAYS_EQ
(gold, res);
}
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