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/*
* Copyright (c) 2016-2019 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 "arm_compute/core/ITensor.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/Window.h"
#include <cstring>
#include <limits>
using namespace arm_compute;
void ITensor::copy_from(const ITensor &src)
{
if(&src == this)
{
return;
}
const ITensorInfo *src_info = src.info();
ITensorInfo *dst_info = this->info();
ARM_COMPUTE_ERROR_ON(src_info->num_dimensions() > dst_info->num_dimensions());
ARM_COMPUTE_ERROR_ON(src_info->num_channels() != dst_info->num_channels());
ARM_COMPUTE_ERROR_ON(src_info->element_size() != dst_info->element_size());
for(size_t d = 0; d < src_info->num_dimensions(); d++)
{
ARM_COMPUTE_ERROR_ON(src_info->dimension(d) > dst_info->dimension(d));
}
// Copy information about valid region
dst_info->set_valid_region(src_info->valid_region());
Window win_src;
win_src.use_tensor_dimensions(src_info->tensor_shape(), Window::DimY);
Window win_dst;
win_dst.use_tensor_dimensions(dst_info->tensor_shape(), Window::DimY);
Iterator src_it(&src, win_src);
Iterator dst_it(this, win_dst);
const size_t line_size = src_info->element_size() * src_info->dimension(0);
execute_window_loop(win_src, [&](const Coordinates &)
{
memcpy(dst_it.ptr(), src_it.ptr(), line_size);
},
src_it, dst_it);
}
#ifdef ARM_COMPUTE_ASSERTS_ENABLED
void ITensor::print(std::ostream &s, IOFormatInfo io_fmt) const
{
ARM_COMPUTE_ERROR_ON(this->buffer() == nullptr);
const DataType dt = this->info()->data_type();
const size_t slices2D = this->info()->tensor_shape().total_size_upper(2);
const Strides strides = this->info()->strides_in_bytes();
const PaddingSize padding = this->info()->padding();
const size_t num_channels = this->info()->num_channels();
std::ios stream_status(nullptr);
stream_status.copyfmt(s);
// Set precision
if(is_data_type_float(dt) && (io_fmt.precision_type != IOFormatInfo::PrecisionType::Default))
{
int precision = io_fmt.precision;
if(io_fmt.precision_type == IOFormatInfo::PrecisionType::Full)
{
precision = std::numeric_limits<float>().max_digits10;
}
s.precision(precision);
}
// Define region to print
size_t print_width = 0;
size_t print_height = 0;
int start_offset = 0;
switch(io_fmt.print_region)
{
case IOFormatInfo::PrintRegion::NoPadding:
print_width = this->info()->dimension(0);
print_height = this->info()->dimension(1);
start_offset = this->info()->offset_first_element_in_bytes();
break;
case IOFormatInfo::PrintRegion::ValidRegion:
print_width = this->info()->valid_region().shape.x();
print_height = this->info()->valid_region().shape.y();
start_offset = this->info()->offset_element_in_bytes(Coordinates(this->info()->valid_region().anchor.x(),
this->info()->valid_region().anchor.y()));
break;
case IOFormatInfo::PrintRegion::Full:
print_width = padding.left + this->info()->dimension(0) + padding.right;
print_height = padding.top + this->info()->dimension(1) + padding.bottom;
start_offset = static_cast<int>(this->info()->offset_first_element_in_bytes()) - padding.top * strides[1] - padding.left * strides[0];
break;
default:
break;
}
print_width = print_width * num_channels;
// Set pointer to start
const uint8_t *ptr = this->buffer() + start_offset;
// Start printing
for(size_t i = 0; i < slices2D; ++i)
{
// Find max_width of elements in slice to align columns
int max_element_width = 0;
if(io_fmt.align_columns)
{
size_t offset = i * strides[2];
for(size_t h = 0; h < print_height; ++h)
{
max_element_width = std::max<int>(max_element_width, max_consecutive_elements_display_width(s, dt, ptr + offset, print_width));
offset += strides[1];
}
}
// Print slice
{
size_t offset = i * strides[2];
for(size_t h = 0; h < print_height; ++h)
{
print_consecutive_elements(s, dt, ptr + offset, print_width, max_element_width, io_fmt.element_delim);
offset += strides[1];
s << io_fmt.row_delim;
}
s << io_fmt.row_delim;
}
}
// Restore output stream flags
s.copyfmt(stream_status);
}
#endif /* ARM_COMPUTE_ASSERTS_ENABLED */
bool ITensor::is_used() const
{
return _is_used;
}
void ITensor::mark_as_unused() const
{
_is_used = false;
}
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