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OpenVDB 10.0.1
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Computes a pair of 32bit checksums, og a Grid, by means of Cyclic Redundancy Check (CRC) More...
#include <algorithm>#include <array>#include <vector>#include <cstdint>#include <cstddef>#include <numeric>#include <type_traits>#include "../NanoVDB.h"#include "GridHandle.h"#include "ForEach.h"#include "NodeManager.h"Go to the source code of this file.
Classes | |
| class | CRC32 |
| Class that computes the Cyclic Redundancy Check (CRC) More... | |
| class | GridChecksum |
| Class that encapsulates two CRC32 checksums, one for the Grid, Tree and Root node meta data and one for the remaining grid nodes. More... | |
Namespaces | |
| namespace | nanovdb |
Enumerations | |
| enum class | ChecksumMode : uint32_t { Disable = 0 , Partial = 1 , Full = 2 , Default = 1 , End = 3 } |
| List of different modes for computing for a checksum. More... | |
Functions | |
| template<typename ValueT > | |
| uint64_t | checksum (const NanoGrid< ValueT > &grid, ChecksumMode mode=ChecksumMode::Default) |
| Return the (2 x CRC32) checksum of the specified grid. | |
| template<typename ValueT > | |
| bool | validateChecksum (const NanoGrid< ValueT > &grid, ChecksumMode mode=ChecksumMode::Default) |
| Return true if the checksum of the grid matches the expected value already encoded into the grid's meta data. | |
| template<typename ValueT > | |
| void | updateChecksum (NanoGrid< ValueT > &grid, ChecksumMode mode=ChecksumMode::Default) |
| Updates the checksum of a grid. | |
| std::uint_fast32_t | crc32 (const void *data, size_t size) |
| Return the CRC32 checksum of the raw data of size. | |
| template<typename IterT > | |
| std::uint_fast32_t | crc32 (IterT begin, IterT end) |
| Return the CRC32 checksum of the content pointed to be the iterator. | |
Computes a pair of 32bit checksums, og a Grid, by means of Cyclic Redundancy Check (CRC)
A CRC32 is the 32 bit remainder, or residue, of binary division of a message, by a polynomial.