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/*
* Copyright (c) 2018-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "Comparisons.h"
#include "arm_compute/core/Types.h"
#include "tests/validation/Helpers.h"
namespace arm_compute
{
namespace test
{
namespace validation
{
namespace reference
{
namespace
{
template <typename T>
uint8_t compare_op(ComparisonOperation op, T src1, T src2)
{
uint8_t result = 0;
switch(op)
{
case ComparisonOperation::Equal:
result = static_cast<uint8_t>(src1 == src2);
break;
case ComparisonOperation::NotEqual:
result = static_cast<uint8_t>(src1 != src2);
break;
case ComparisonOperation::GreaterEqual:
result = static_cast<uint8_t>(src1 >= src2);
break;
case ComparisonOperation::Greater:
result = static_cast<uint8_t>(src1 > src2);
break;
case ComparisonOperation::LessEqual:
result = static_cast<uint8_t>(src1 <= src2);
break;
case ComparisonOperation::Less:
result = static_cast<uint8_t>(src1 < src2);
break;
default:
ARM_COMPUTE_ERROR("Unsupported operation");
}
return (result != 0) ? 255 : 0;
}
template <size_t dim>
struct BroadcastUnroll
{
template <typename T>
static void unroll(ComparisonOperation op,
const SimpleTensor<T> &src1, const SimpleTensor<T> &src2, SimpleTensor<uint8_t> &dst,
Coordinates &id_src1, Coordinates &id_src2, Coordinates &id_dst)
{
const bool src1_is_broadcast = (src1.shape()[dim - 1] != dst.shape()[dim - 1]);
const bool src2_is_broadcast = (src2.shape()[dim - 1] != dst.shape()[dim - 1]);
id_src1.set(dim - 1, 0);
id_src2.set(dim - 1, 0);
id_dst.set(dim - 1, 0);
#if defined(_OPENMP)
#pragma omp parallel for
#endif /* _OPENMP */
for(size_t i = 0; i < dst.shape()[dim - 1]; ++i)
{
BroadcastUnroll < dim - 1 >::unroll(op, src1, src2, dst, id_src1, id_src2, id_dst);
id_src1[dim - 1] += !src1_is_broadcast;
id_src2[dim - 1] += !src2_is_broadcast;
++id_dst[dim - 1];
}
}
};
template <>
struct BroadcastUnroll<0>
{
template <typename T>
static void unroll(ComparisonOperation op,
const SimpleTensor<T> &src1, const SimpleTensor<T> &src2, SimpleTensor<uint8_t> &dst,
Coordinates &id_src1, Coordinates &id_src2, Coordinates &id_dst)
{
dst[coord2index(dst.shape(), id_dst)] = compare_op(op, src1[coord2index(src1.shape(), id_src1)], src2[coord2index(src2.shape(), id_src2)]);
}
};
} // namespace
template <typename T>
SimpleTensor<uint8_t> compare(ComparisonOperation op, const SimpleTensor<T> &src1, const SimpleTensor<T> &src2)
{
SimpleTensor<uint8_t> dst(TensorShape::broadcast_shape(src1.shape(), src2.shape()), DataType::U8);
Coordinates id_src1{};
Coordinates id_src2{};
Coordinates id_dst{};
BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1, src2, dst, id_src1, id_src2, id_dst);
return dst;
}
template <>
SimpleTensor<uint8_t> compare(ComparisonOperation op, const SimpleTensor<uint8_t> &src1, const SimpleTensor<uint8_t> &src2)
{
SimpleTensor<uint8_t> dst(TensorShape::broadcast_shape(src1.shape(), src2.shape()), DataType::U8);
Coordinates id_src1{};
Coordinates id_src2{};
Coordinates id_dst{};
if(src1.data_type() == DataType::QASYMM8)
{
SimpleTensor<float> src1_tmp = convert_from_asymmetric(src1);
SimpleTensor<float> src2_tmp = convert_from_asymmetric(src2);
BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1_tmp, src2_tmp, dst, id_src1, id_src2, id_dst);
}
else
{
// DataType::U8
BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1, src2, dst, id_src1, id_src2, id_dst);
}
return dst;
}
template <>
SimpleTensor<uint8_t> compare(ComparisonOperation op, const SimpleTensor<int8_t> &src1, const SimpleTensor<int8_t> &src2)
{
SimpleTensor<uint8_t> dst(TensorShape::broadcast_shape(src1.shape(), src2.shape()), DataType::U8);
Coordinates id_src1{};
Coordinates id_src2{};
Coordinates id_dst{};
if(src1.data_type() == DataType::QASYMM8_SIGNED)
{
SimpleTensor<float> src1_tmp = convert_from_asymmetric(src1);
SimpleTensor<float> src2_tmp = convert_from_asymmetric(src2);
BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1_tmp, src2_tmp, dst, id_src1, id_src2, id_dst);
}
else
{
// DataType::U8
BroadcastUnroll<Coordinates::num_max_dimensions>::unroll(op, src1, src2, dst, id_src1, id_src2, id_dst);
}
return dst;
}
template SimpleTensor<uint8_t> compare(ComparisonOperation op, const SimpleTensor<half> &src1, const SimpleTensor<half> &src2);
template SimpleTensor<uint8_t> compare(ComparisonOperation op, const SimpleTensor<float> &src1, const SimpleTensor<float> &src2);
} // namespace reference
} // namespace validation
} // namespace test
} // namespace arm_compute
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