InferenceEngine::Precision Class Reference

This class holds precision value and provides precision related operations. More...

#include <ie_precision.hpp>

Public Types
enum	ePrecision : uint8_t {   UNSPECIFIED = 255, MIXED = 0, FP32 = 10, FP16 = 11,   Q78 = 20, I16 = 30, U8 = 40, I8 = 50,   U16 = 60, I32 = 70, I64 = 72, BIN = 71,   CUSTOM = 80 }

Public Member Functions
	Precision ()=default
	Default constructor.
	Precision (const Precision::ePrecision value)
	Constructor with specified precision.
	Precision (size_t bitsSize, const char *name=nullptr)
	Custom precision constructor. More...
template<class T >
bool	hasStorageType (const char *typeName=nullptr) const noexcept
	checks whether given storage class T can be used to store objects of current precision
bool	operator== (const Precision &p) const noexcept
	Equality operator with Precision object.
bool	operator== (const ePrecision p) const noexcept
	Equality operator with ePrecision enum value.
bool	operator!= (const ePrecision p) const noexcept
	Inequality operator with ePrecision enum value.
Precision &	operator= (const ePrecision p) noexcept
	Assignment operator with ePrecision enum value.
	operator bool () const noexcept
	Cast operator to a bool.
bool	operator! () const noexcept
	Logical negation operator.
	operator Precision::ePrecision () const noexcept
	Cast operator to a ePrecision.
const char *	name () const noexcept
	Getter of precision name.
size_t	size () const
	Returns size of single element of that precision in bits. More...
bool	is_float () const noexcept
	Checks if it is a floating point.

Static Public Member Functions
template<class T >
static Precision	fromType (const char *typeName=nullptr)
	Creates custom precision with specific underlined type.
static Precision	FromStr (const std::string &str)
	Creates from string with precision name.

Static Protected Member Functions
template<Precision::ePrecision precision>
static PrecisionInfo	makePrecisionInfo (const char *name)
	Returns PrecisionInfo by its name. More...
static bool	areSameStrings (const char *l, const char *r) noexcept
	Compare two c-strings. More...
static PrecisionInfo	getPrecisionInfo (ePrecision v)
	Return PrecisionInfo.

Detailed Description

This class holds precision value and provides precision related operations.

Member Enumeration Documentation

ePrecision

enum InferenceEngine::Precision::ePrecision : uint8_t

Enum to specify of different

Enumerator
UNSPECIFIED	Unspecified value. Used by default
MIXED	Mixed value. Can be received from network. No applicable for tensors
FP32	32bit floating point value
FP16	16bit floating point value
Q78	16bit specific signed fixed point precision
I16	16bit signed integer value
U8	8bit unsigned integer value
I8	8bit signed integer value
U16	16bit unsigned integer value
I32	32bit signed integer value
I64	64bit signed integer value
BIN	1bit integer value
CUSTOM	custom precision has it's own name and size of elements

Constructor & Destructor Documentation

Precision()

InferenceEngine::Precision::Precision ( size_t  bitsSize, const char *  name = nullptr  )

inlineexplicit

Custom precision constructor.

Parameters

bitsSize	size of elements
name	optional name string, used in serialisation

Member Function Documentation

areSameStrings()

static bool InferenceEngine::Precision::areSameStrings ( const char *  l, const char *  r  )

inlinestaticprotectednoexcept

Compare two c-strings.

Parameters

l	Const pointer to first string
r	Const pointer to another string

Returns

True if strings are the same

makePrecisionInfo()

template<Precision::ePrecision precision>

static PrecisionInfo InferenceEngine::Precision::makePrecisionInfo ( const char *  name )

staticprotected

Returns PrecisionInfo by its name.

Parameters

name	Name of precision

size()

size_t InferenceEngine::Precision::size ( ) const

inline

Returns size of single element of that precision in bits.

Returns

Number of bits per element

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The documentation for this class was generated from the following file:

• ie_precision.hpp