Open3D (C++ API)  0.18.0+252c867
RaggedToDense.h
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1 // ----------------------------------------------------------------------------
2 // - Open3D: www.open3d.org -
3 // ----------------------------------------------------------------------------
4 // Copyright (c) 2018-2023 www.open3d.org
5 // SPDX-License-Identifier: MIT
6 // ----------------------------------------------------------------------------
7 
8 #pragma once
9 
10 #include <tbb/parallel_for.h>
11 
12 namespace open3d {
13 namespace ml {
14 namespace impl {
15 
49 template <class T>
50 void RaggedToDenseCPU(const T* const values,
51  const int64_t* const row_splits,
52  const size_t row_splits_size,
53  const size_t out_col_size,
54  const T* const default_value,
55  const size_t default_value_size,
56  T* out_values) {
57  tbb::parallel_for(
58  tbb::blocked_range<size_t>(0, row_splits_size - 1),
59  [&](const tbb::blocked_range<size_t>& r) {
60  for (int64_t i = r.begin(); i != r.end(); ++i) {
61  const int64_t start = row_splits[i];
62  const int64_t end = std::min(int64_t(out_col_size) + start,
63  row_splits[i + 1]);
64 
65  T* out_ptr =
66  out_values + i * out_col_size * default_value_size;
67 
68  std::copy(values + start * default_value_size,
69  values + end * default_value_size, out_ptr);
70 
71  // fill remaining columns with the default value
72  out_ptr = out_ptr + (end - start) * default_value_size;
73  for (int64_t j = end - start; j < out_col_size;
74  ++j, out_ptr += default_value_size) {
75  std::copy(default_value,
76  default_value + default_value_size, out_ptr);
77  }
78  }
79  });
80 }
81 
82 } // namespace impl
83 } // namespace ml
84 } // namespace open3d
const char const char value recording_handle imu_sample recording_handle uint8_t size_t data_size k4a_record_configuration_t config target_format k4a_capture_t capture_handle k4a_imu_sample_t imu_sample playback_handle k4a_logging_message_cb_t void min_level device_handle k4a_imu_sample_t timeout_in_ms capture_handle capture_handle capture_handle image_handle temperature_c k4a_image_t image_handle uint8_t image_handle image_handle image_handle image_handle image_handle timestamp_usec white_balance image_handle k4a_device_configuration_t config device_handle char size_t serial_number_size bool int32_t int32_t int32_t int32_t default_value
Definition: K4aPlugin.cpp:653
void RaggedToDenseCPU(const T *const values, const int64_t *const row_splits, const size_t row_splits_size, const size_t out_col_size, const T *const default_value, const size_t default_value_size, T *out_values)
Definition: RaggedToDense.h:50
Definition: PinholeCameraIntrinsic.cpp:16