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simd::vint4 Class Reference

Integer 4-vector, accelerated by SIMD instructions when available. More...

#include <simd.h>

Public Types

enum  { elements = 4 }
 
enum  { paddedelements =4 }
 
enum  { bits = 128 }
 
typedef int value_t
 Underlying equivalent scalar value type. More...
 
typedef simd_raw_t< int,
elements >::type 		simd_t
 the native SIMD type used More...
 
typedef vbool4 vbool_t
 bool type of the same length More...
 
typedef vfloat4 vfloat_t
 float type of the same length More...
 
typedef vint4 vint_t
 int type of the same length More...
 
typedef vbool4 bool_t
 
typedef vfloat4 float_t
 

Public Member Functions

 vint4 ()
 Default constructor (contents undefined) More...
 
 vint4 (int a)
 Construct from a single value (store it in all slots) More...
 
 vint4 (int a, int b)
 Construct from 2 values – (a,a,b,b) More...
 
 vint4 (int a, int b, int c, int d)
 Construct from 4 values. More...
 
 vint4 (const int *vals)
 Construct from a pointer to values. More...
 
 vint4 (const unsigned short *vals)
 Construct from a pointer to unsigned short values. More...
 
 vint4 (const short *vals)
 Construct from a pointer to signed short values. More...
 
 vint4 (const unsigned char *vals)
 Construct from a pointer to unsigned char values (0 - 255) More...
 
 vint4 (const char *vals)
 Construct from a pointer to signed char values (-128 - 127) More...
 
 vint4 (const vint4 &other)
 Copy construct from another vint4. More...
 
 vint4 (const vfloat4 &f)
 Convert a vfloat to an vint. Equivalent to i = (int)f;. More...
 
 vint4 (const simd_t &m)
 Construct from the underlying SIMD type. More...
 
 operator simd_t () const
 Return the raw SIMD type. More...
 
simd_t simd () const
 
simd_t & simd ()
 
const value_t * data () const
 Return a pointer to the underlying scalar type. More...
 
value_t * data ()
 
void clear ()
 Sset all components to 0. More...
 
const vint4 & operator= (int a)
 Assign one value to all components. More...
 
const vint4 & operator= (const vint4 &other)
 Assignment from another vint4. More...
 
int operator[] (int i) const
 Component access (get) More...
 
int & operator[] (int i)
 Component access (set) More...
 
void setcomp (int i, int value)
 Component access (set). More...
 
value_t x () const
 
value_t y () const
 
value_t z () const
 
value_t w () const
 
void set_x (value_t val)
 
void set_y (value_t val)
 
void set_z (value_t val)
 
void set_w (value_t val)
 
void load (int a)
 Helper: load a single int into all components. More...
 
void load (int a, int b, int c, int d)
 Helper: load separate values into each component. More...
 
void load (const int *values)
 Load from an array of 4 values. More...
 
void load (const int *values, int n)
 
void load (const unsigned short *values)
 Load from an array of 4 unsigned short values, convert to vint4. More...
 
void load (const short *values)
 Load from an array of 4 unsigned short values, convert to vint4. More...
 
void load (const unsigned char *values)
 Load from an array of 4 unsigned char values, convert to vint4. More...
 
void load (const char *values)
 Load from an array of 4 unsigned char values, convert to vint4. More...
 
void store (int *values) const
 Store the values into memory. More...
 
void store (int *values, int n) const
 Store the first n values into memory. More...
 
void store (unsigned short *values) const
 
void store (unsigned char *values) const
 
void load_mask (int mask, const value_t *values)
 
void load_mask (const vbool_t &mask, const value_t *values)
 
void store_mask (int mask, value_t *values) const
 
void store_mask (const vbool_t &mask, value_t *values) const
 
template<int scale = 4>
void gather (const value_t *baseptr, const vint_t &vindex)
 Load values from addresses (char*)basepatr + vindex[i]*scale. More...
 
template<int scale = 4>
void gather_mask (const vbool_t &mask, const value_t *baseptr, const vint_t &vindex)
 Gather elements defined by the mask, leave others unchanged. More...
 
template<int scale = 4>
void gather_mask (int mask, const value_t *baseptr, const vint_t &vindex)
 
template<int scale = 4>
void scatter (value_t *baseptr, const vint_t &vindex) const
 Store values at addresses (char*)basepatr + vindex[i]*scale. More...
 
template<int scale = 4>
void scatter_mask (const vbool_t &mask, value_t *baseptr, const vint_t &vindex) const
 Scatter elements defined by the mask. More...
 
template<int scale = 4>
void scatter_mask (int mask, value_t *baseptr, const vint_t &vindex) const
 
template<int scale>
OIIO_FORCEINLINE void gather (const value_t *baseptr, const vint_t &vindex)
 
template<int scale>
OIIO_FORCEINLINE void gather_mask (const vbool_t &mask, const value_t *baseptr, const vint_t &vindex)
 
template<int scale>
OIIO_FORCEINLINE void scatter (value_t *baseptr, const vint_t &vindex) const
 
template<int scale>
OIIO_FORCEINLINE void scatter_mask (const vbool_t &mask, value_t *baseptr, const vint_t &vindex) const
 

Static Public Member Functions

static const char * type_name ()
 
static const vint4 Zero ()
 Return an vint4 with all components set to 0. More...
 
static const vint4 One ()
 Return an vint4 with all components set to 1. More...
 
static const vint4 NegOne ()
 Return an vint4 with all components set to -1 (aka 0xffffffff) More...
 
static const vint4 Iota (int start=0, int step=1)
 
static const vint4 Giota ()
 Return an vint4 with "geometric" iota: (1, 2, 4, 8). More...
 

Friends

vint4 operator+ (const vint4 &a, const vint4 &b)
 
vint4 operator- (const vint4 &a)
 
vint4 operator- (const vint4 &a, const vint4 &b)
 
vint4 operator* (const vint4 &a, const vint4 &b)
 
vint4 operator/ (const vint4 &a, const vint4 &b)
 
vint4 operator% (const vint4 &a, const vint4 &b)
 
const vint4 & operator+= (vint4 &a, const vint4 &b)
 
const vint4 & operator-= (vint4 &a, const vint4 &b)
 
const vint4 & operator*= (vint4 &a, const vint4 &b)
 
const vint4 & operator/= (vint4 &a, const vint4 &b)
 
const vint4 & operator%= (vint4 &a, const vint4 &b)
 
vint4 operator& (const vint4 &a, const vint4 &b)
 
vint4 operator| (const vint4 &a, const vint4 &b)
 
vint4 operator^ (const vint4 &a, const vint4 &b)
 
const vint4 & operator&= (vint4 &a, const vint4 &b)
 
const vint4 & operator|= (vint4 &a, const vint4 &b)
 
const vint4 & operator^= (vint4 &a, const vint4 &b)
 
vint4 operator~ (const vint4 &a)
 
vint4 operator<< (const vint4 &a, unsigned int bits)
 
vint4 operator>> (const vint4 &a, unsigned int bits)
 
const vint4 & operator<<= (vint4 &a, unsigned int bits)
 
const vint4 & operator>>= (vint4 &a, unsigned int bits)
 
vbool4 operator== (const vint4 &a, const vint4 &b)
 
vbool4 operator!= (const vint4 &a, const vint4 &b)
 
vbool4 operator< (const vint4 &a, const vint4 &b)
 
vbool4 operator> (const vint4 &a, const vint4 &b)
 
vbool4 operator>= (const vint4 &a, const vint4 &b)
 
vbool4 operator<= (const vint4 &a, const vint4 &b)
 
std::ostream & operator<< (std::ostream &cout, const vint4 &a)
 Stream output. More...
 

Detailed Description

Integer 4-vector, accelerated by SIMD instructions when available.

Definition at line 890 of file simd.h.

Member Typedef Documentation

typedef vbool4 simd::vint4::bool_t

Definition at line 902 of file simd.h.

typedef vfloat4 simd::vint4::float_t

Definition at line 904 of file simd.h.

typedef simd_raw_t<int,elements>::type simd::vint4::simd_t

the native SIMD type used

Definition at line 897 of file simd.h.

typedef int simd::vint4::value_t

Underlying equivalent scalar value type.

Definition at line 893 of file simd.h.

typedef vbool4 simd::vint4::vbool_t

bool type of the same length

Definition at line 898 of file simd.h.

typedef vfloat4 simd::vint4::vfloat_t

float type of the same length

Definition at line 899 of file simd.h.

typedef vint4 simd::vint4::vint_t

int type of the same length

Definition at line 900 of file simd.h.

Member Enumeration Documentation

anonymous enum
Enumerator
elements 

Definition at line 894 of file simd.h.

anonymous enum
Enumerator
paddedelements 

Definition at line 895 of file simd.h.

anonymous enum
Enumerator
bits 

Definition at line 896 of file simd.h.

Constructor & Destructor Documentation

simd::vint4::vint4 ( )
inline

Default constructor (contents undefined)

Definition at line 907 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( int  a)

Construct from a single value (store it in all slots)

Definition at line 4189 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( int  a,
int  b 
)

Construct from 2 values – (a,a,b,b)

Definition at line 4191 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( int  a,
int  b,
int  c,
int  d 
)

Construct from 4 values.

Definition at line 4193 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( const int *  vals)

Construct from a pointer to values.

Definition at line 4200 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( const unsigned short *  vals)
explicit

Construct from a pointer to unsigned short values.

Definition at line 4201 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( const short *  vals)
explicit

Construct from a pointer to signed short values.

Definition at line 4202 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( const unsigned char *  vals)
explicit

Construct from a pointer to unsigned char values (0 - 255)

Definition at line 4203 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( const char *  vals)
explicit

Construct from a pointer to signed char values (-128 - 127)

Definition at line 4204 of file simd.h.

simd::vint4::vint4 ( const vint4 &  other)
inline

Copy construct from another vint4.

Definition at line 934 of file simd.h.

OIIO_FORCEINLINE simd::vint4::vint4 ( const vfloat4 &  f)
explicit

Convert a vfloat to an vint. Equivalent to i = (int)f;.

Definition at line 7138 of file simd.h.

simd::vint4::vint4 ( const simd_t &  m)
inline

Construct from the underlying SIMD type.

Definition at line 940 of file simd.h.

Member Function Documentation

OIIO_FORCEINLINE void simd::vint4::clear ( )

Sset all components to 0.

Definition at line 4313 of file simd.h.

const value_t* simd::vint4::data ( ) const
inline

Return a pointer to the underlying scalar type.

Definition at line 948 of file simd.h.

value_t* simd::vint4::data ( )
inline

Definition at line 949 of file simd.h.

template<int scale = 4>
void simd::vint4::gather ( const value_t *  baseptr,
const vint_t &  vindex 
)

Load values from addresses (char*)basepatr + vindex[i]*scale.

template<int scale>
OIIO_FORCEINLINE void simd::vint4::gather ( const value_t *  baseptr,
const vint_t &  vindex 
)

Definition at line 4267 of file simd.h.

template<int scale = 4>
void simd::vint4::gather_mask ( const vbool_t &  mask,
const value_t *  baseptr,
const vint_t &  vindex 
)

Gather elements defined by the mask, leave others unchanged.

template<int scale = 4>
void simd::vint4::gather_mask ( int  mask,
const value_t *  baseptr,
const vint_t &  vindex 
)
template<int scale>
OIIO_FORCEINLINE void simd::vint4::gather_mask ( const vbool_t &  mask,
const value_t *  baseptr,
const vint_t &  vindex 
)

Definition at line 4278 of file simd.h.

OIIO_FORCEINLINE const vint4 simd::vint4::Giota ( )
static

Return an vint4 with "geometric" iota: (1, 2, 4, 8).

Definition at line 4356 of file simd.h.

OIIO_FORCEINLINE const vint4 simd::vint4::Iota ( int  start = 0,
int  step = 1 
)
static

Return an vint4 with incremented components (e.g., 0,1,2,3). Optional arguments can give a non-zero starting point and step size.

Definition at line 4351 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( int  a)

Helper: load a single int into all components.

Definition at line 4066 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( int  a,
int  b,
int  c,
int  d 
)

Helper: load separate values into each component.

Definition at line 4078 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( const int *  values)

Load from an array of 4 values.

Definition at line 4100 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( const int *  values,
int  n 
)

Definition at line 4109 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( const unsigned short *  values)

Load from an array of 4 unsigned short values, convert to vint4.

Definition at line 4145 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( const short *  values)

Load from an array of 4 unsigned short values, convert to vint4.

Definition at line 4156 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( const unsigned char *  values)

Load from an array of 4 unsigned char values, convert to vint4.

Definition at line 4167 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load ( const char *  values)

Load from an array of 4 unsigned char values, convert to vint4.

Definition at line 4178 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load_mask ( int  mask,
const value_t *  values 
)

Masked load – read from values[] where mask is 1, load zero where mask is 0.

Definition at line 4221 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::load_mask ( const vbool_t &  mask,
const value_t *  values 
)

Definition at line 4232 of file simd.h.

OIIO_FORCEINLINE const vint4 simd::vint4::NegOne ( )
static

Return an vint4 with all components set to -1 (aka 0xffffffff)

Definition at line 4334 of file simd.h.

OIIO_FORCEINLINE const vint4 simd::vint4::One ( )
static

Return an vint4 with all components set to 1.

Definition at line 4332 of file simd.h.

simd::vint4::operator simd_t ( ) const
inline

Return the raw SIMD type.

Definition at line 943 of file simd.h.

OIIO_FORCEINLINE const vint4 & simd::vint4::operator= ( int  a)

Assign one value to all components.

Definition at line 4206 of file simd.h.

OIIO_FORCEINLINE const vint4 & simd::vint4::operator= ( const vint4 &  other)

Assignment from another vint4.

Definition at line 4045 of file simd.h.

OIIO_FORCEINLINE int simd::vint4::operator[] ( int  i) const

Component access (get)

Definition at line 4050 of file simd.h.

OIIO_FORCEINLINE int & simd::vint4::operator[] ( int  i)

Component access (set)

Definition at line 4055 of file simd.h.

template<int scale = 4>
void simd::vint4::scatter ( value_t *  baseptr,
const vint_t &  vindex 
) const

Store values at addresses (char*)basepatr + vindex[i]*scale.

template<int scale>
OIIO_FORCEINLINE void simd::vint4::scatter ( value_t *  baseptr,
const vint_t &  vindex 
) const

Definition at line 4289 of file simd.h.

template<int scale = 4>
void simd::vint4::scatter_mask ( const vbool_t &  mask,
value_t *  baseptr,
const vint_t &  vindex 
) const

Scatter elements defined by the mask.

template<int scale = 4>
void simd::vint4::scatter_mask ( int  mask,
value_t *  baseptr,
const vint_t &  vindex 
) const
template<int scale>
OIIO_FORCEINLINE void simd::vint4::scatter_mask ( const vbool_t &  mask,
value_t *  baseptr,
const vint_t &  vindex 
) const

Definition at line 4301 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::set_w ( value_t  val)

Definition at line 4707 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::set_x ( value_t  val)

Definition at line 4704 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::set_y ( value_t  val)

Definition at line 4705 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::set_z ( value_t  val)

Definition at line 4706 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::setcomp ( int  i,
int  value 
)

Component access (set).

Definition at line 4060 of file simd.h.

simd_t simd::vint4::simd ( ) const
inline

Definition at line 944 of file simd.h.

simd_t& simd::vint4::simd ( )
inline

Definition at line 945 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::store ( int *  values) const

Store the values into memory.

Definition at line 4209 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::store ( int *  values,
int  n 
) const

Store the first n values into memory.

Definition at line 4593 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::store ( unsigned short *  values) const

Store the least significant 16 bits of each element into adjacent unsigned shorts.

Definition at line 4615 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::store ( unsigned char *  values) const

Store the least significant 8 bits of each element into adjacent unsigned chars.

Definition at line 4637 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::store_mask ( int  mask,
value_t *  values 
) const

Masked store – write to values[] where mask is enabled, don't touch values[] where it's not.

Definition at line 4243 of file simd.h.

OIIO_FORCEINLINE void simd::vint4::store_mask ( const vbool_t &  mask,
value_t *  values 
) const

Definition at line 4254 of file simd.h.

static const char* simd::vint4::type_name ( )
inlinestatic

Definition at line 892 of file simd.h.

OIIO_FORCEINLINE int simd::vint4::w ( ) const

Definition at line 4703 of file simd.h.

OIIO_FORCEINLINE int simd::vint4::x ( ) const

Definition at line 4700 of file simd.h.

OIIO_FORCEINLINE int simd::vint4::y ( ) const

Definition at line 4701 of file simd.h.

OIIO_FORCEINLINE int simd::vint4::z ( ) const

Definition at line 4702 of file simd.h.

OIIO_FORCEINLINE const vint4 simd::vint4::Zero ( )
static

Return an vint4 with all components set to 0.

Definition at line 4323 of file simd.h.

Friends And Related Function Documentation

vbool4 operator!= ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4556 of file simd.h.

vint4 operator% ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4440 of file simd.h.

const vint4& operator%= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4447 of file simd.h.

vint4 operator& ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4459 of file simd.h.

const vint4& operator&= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4470 of file simd.h.

vint4 operator* ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4419 of file simd.h.

const vint4& operator*= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4428 of file simd.h.

vint4 operator+ ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4361 of file simd.h.

const vint4& operator+= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4369 of file simd.h.

vint4 operator- ( const vint4 &  a)
friend

Definition at line 4374 of file simd.h.

vint4 operator- ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4383 of file simd.h.

const vint4& operator-= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4392 of file simd.h.

vint4 operator/ ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4432 of file simd.h.

const vint4& operator/= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4438 of file simd.h.

vbool4 operator< ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4569 of file simd.h.

vint4 operator<< ( const vint4 &  a,
unsigned int  bits 
)
friend

Definition at line 4511 of file simd.h.

std::ostream& operator<< ( std::ostream &  cout,
const vint4 &  a 
)
friend

Stream output.

Definition at line 4585 of file simd.h.

const vint4& operator<<= ( vint4 &  a,
unsigned int  bits 
)
friend

Definition at line 4519 of file simd.h.

vbool4 operator<= ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4581 of file simd.h.

vbool4 operator== ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4546 of file simd.h.

vbool4 operator> ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4561 of file simd.h.

vbool4 operator>= ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4577 of file simd.h.

vint4 operator>> ( const vint4 &  a,
unsigned int  bits 
)
friend

Definition at line 4524 of file simd.h.

const vint4& operator>>= ( vint4 &  a,
unsigned int  bits 
)
friend

Definition at line 4532 of file simd.h.

vint4 operator^ ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4487 of file simd.h.

const vint4& operator^= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4498 of file simd.h.

vint4 operator| ( const vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4474 of file simd.h.

const vint4& operator|= ( vint4 &  a,
const vint4 &  b 
)
friend

Definition at line 4484 of file simd.h.

vint4 operator~ ( const vint4 &  a)
friend

Definition at line 4501 of file simd.h.

Member Data Documentation

simd_t simd::vint4::m_simd

Definition at line 1097 of file simd.h.

value_t simd::vint4::m_val[elements]

Definition at line 1098 of file simd.h.

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