Q31

Namespaces
namespace	inner
namespace	arm_cmsis_dsp::inner

Data Structures
struct	number_traits< Q31 >
	Features for Q31. More...
struct	vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >
	Vector features for Q31 when no vector instructions. More...
struct	number_traits< Q31 >
	Features for Q31. More...
struct	vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >
	Vector features for Q31 when no vector instructions. More...

Description

---

Data Structure Documentation

number_traits< Q31 >

struct number_traits< Q31 >

Features for Q31.

Public Types
typedef Q< 15, 48 >	accumulator
	Accumulator datatype.
typedef Q31	compute_type
	Compute type.
typedef Q31	display_type
	Display type for printf.
Static Public Member Functions
static constexpr Q31	one ()
	One value.
Static Public Attributes
static constexpr bool	is_float = false
	Is not a float.
static constexpr bool	is_fixed = true
	Is fixed point.

Member Function Documentation

one()

static constexpr Q31 one ( )

inlinestaticconstexpr

One value.

Returns

One value

vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >

struct vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >

template<typename arch>
struct vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >

Vector features for Q31 when no vector instructions.

Template Parameters

arch	Current architecture

Public Types
typedef Q31	type
	Datatype.
typedef type::value_type	storage_type
	Storage tpe (int32_t)
typedef bool	vector
	Dummy type when no vector instructions are supported.
typedef bool	temp_accumulator
	Dummy type when no vector instructions are supported.
typedef uint32_t	predicate_t
	Dummy type when no vector instructions are supported.
Static Public Attributes
static constexpr bool	has_vector = false
	No vector instruction.
static constexpr bool	is_float = false
	Is not float.
static constexpr bool	is_fixed = true
	Is fixed.
static constexpr bool	has_predicate = false
	No predicated loop.
static constexpr int	nb_lanes = 1
	Number of lanes.

arm_cmsis_dsp::number_traits< Q31 >

struct arm_cmsis_dsp::number_traits< Q31 >

Features for Q31.

Public Types
typedef Q< 15, 48 >	accumulator
	Accumulator datatype.
typedef Q31	compute_type
	Compute type.
typedef Q31	display_type
	Display type for printf.
Static Public Member Functions
static constexpr Q31	one ()
	One value.
Static Public Attributes
static constexpr bool	is_float = false
	Is not a float.
static constexpr bool	is_fixed = true
	Is fixed point.

Member Function Documentation

one()

static constexpr Q31 one ( )

inlinestaticconstexpr

One value.

Returns

One value

arm_cmsis_dsp::vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >

struct arm_cmsis_dsp::vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >

template<typename arch>
struct arm_cmsis_dsp::vector_traits< Q31, arch, typename std::enable_if<!std::is_base_of< Helium, arch >::value &&!std::is_base_of< Neon, arch >::value >::type >

Vector features for Q31 when no vector instructions.

Template Parameters

arch	Current architecture

Public Types
typedef Q31	type
	Datatype.
typedef type::value_type	storage_type
	Storage tpe (int32_t)
typedef bool	vector
	Dummy type when no vector instructions are supported.
typedef bool	temp_accumulator
	Dummy type when no vector instructions are supported.
typedef uint32_t	predicate_t
	Dummy type when no vector instructions are supported.
typedef Q31	type
	Scalar datatype.
typedef Q31	storage_type
	Storage type (for instance for Q15 scalar the storage is int16_t)
Static Public Attributes
static constexpr bool	has_vector = false
	No vector instruction.
static constexpr bool	is_float = false
	Is not float.
static constexpr bool	is_fixed = true
	Is fixed.
static constexpr bool	has_predicate = false
	No predicated loop.
static constexpr int	nb_lanes = 1
	Number of lanes.
static constexpr bool	has_vector
	True if scalar type has a related vector type.
static constexpr bool	is_float
	True if scalar type is a float (half, float or double)
static constexpr bool	is_fixed
	True if scalar type is fixed point.