HDK
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
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
 
const value_tdata () const
 Return a pointer to the underlying scalar type. More...
 
value_tdata ()
 
void clear ()
 Sset all components to 0. More...
 
const vint4operator= (int a)
 Assign one value to all components. More...
 
const vint4operator= (const vint4 &other)
 Assignment from another vint4. More...
 
int operator[] (int i) const
 Component access (get) More...
 
intoperator[] (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 bool_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 bool_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 bool_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 bool_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 vint4operator+= (vint4 &a, const vint4 &b)
 
const vint4operator-= (vint4 &a, const vint4 &b)
 
const vint4operator*= (vint4 &a, const vint4 &b)
 
const vint4operator/= (vint4 &a, const vint4 &b)
 
const vint4operator%= (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 vint4operator&= (vint4 &a, const vint4 &b)
 
const vint4operator|= (vint4 &a, const vint4 &b)
 
const vint4operator^= (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 vint4operator<<= (vint4 &a, unsigned int bits)
 
const vint4operator>>= (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 892 of file simd.h.

Member Typedef Documentation

Definition at line 903 of file simd.h.

Definition at line 904 of file simd.h.

the native SIMD type used

Definition at line 899 of file simd.h.

Underlying equivalent scalar value type.

Definition at line 895 of file simd.h.

bool type of the same length

Definition at line 900 of file simd.h.

float type of the same length

Definition at line 901 of file simd.h.

int type of the same length

Definition at line 902 of file simd.h.

Member Enumeration Documentation

anonymous enum
Enumerator
elements 

Definition at line 896 of file simd.h.

anonymous enum
Enumerator
paddedelements 

Definition at line 897 of file simd.h.

anonymous enum
Enumerator
bits 

Definition at line 898 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 4066 of file simd.h.

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

Construct from 2 values – (a,a,b,b)

Definition at line 4068 of file simd.h.

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

Construct from 4 values.

Definition at line 4070 of file simd.h.

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

Construct from a pointer to values.

Definition at line 4077 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 4078 of file simd.h.

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

Construct from a pointer to signed short values.

Definition at line 4079 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 4080 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 4081 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 6894 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 4190 of file simd.h.

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

Return a pointer to the underlying scalar type.

Examples:
alligator/alligator.C.

Definition at line 947 of file simd.h.

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

Definition at line 948 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 4144 of file simd.h.

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

Definition at line 4155 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 4233 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 4228 of file simd.h.

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

Helper: load a single int into all components.

Definition at line 3948 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 3958 of file simd.h.

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

Load from an array of 4 values.

Definition at line 3977 of file simd.h.

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

Definition at line 3986 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 4022 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 4033 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 4044 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 4055 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 4098 of file simd.h.

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

Definition at line 4109 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 4211 of file simd.h.

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

Return an vint4 with all components set to 1.

Definition at line 4209 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 4083 of file simd.h.

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

Assignment from another vint4.

Definition at line 3927 of file simd.h.

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

Component access (get)

Definition at line 3932 of file simd.h.

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

Component access (set)

Definition at line 3937 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 4166 of file simd.h.

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

Definition at line 4178 of file simd.h.

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

Definition at line 4574 of file simd.h.

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

Definition at line 4571 of file simd.h.

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

Definition at line 4572 of file simd.h.

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

Definition at line 4573 of file simd.h.

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

Component access (set).

Definition at line 3942 of file simd.h.

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

Definition at line 944 of file simd.h.

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

Store the values into memory.

Definition at line 4086 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 4460 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 4482 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 4504 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 4120 of file simd.h.

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

Definition at line 4131 of file simd.h.

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

Definition at line 894 of file simd.h.

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

Definition at line 4570 of file simd.h.

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

Definition at line 4567 of file simd.h.

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

Definition at line 4568 of file simd.h.

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

Definition at line 4569 of file simd.h.

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

Return an vint4 with all components set to 0.

Definition at line 4200 of file simd.h.

Friends And Related Function Documentation

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

Definition at line 4423 of file simd.h.

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

Definition at line 4317 of file simd.h.

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

Definition at line 4324 of file simd.h.

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

Definition at line 4336 of file simd.h.

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

Definition at line 4345 of file simd.h.

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

Definition at line 4296 of file simd.h.

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

Definition at line 4305 of file simd.h.

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

Definition at line 4238 of file simd.h.

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

Definition at line 4246 of file simd.h.

vint4 operator- ( const vint4 a)
friend

Definition at line 4251 of file simd.h.

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

Definition at line 4260 of file simd.h.

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

Definition at line 4269 of file simd.h.

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

Definition at line 4309 of file simd.h.

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

Definition at line 4315 of file simd.h.

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

Definition at line 4436 of file simd.h.

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

Definition at line 4380 of file simd.h.

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

Stream output.

Definition at line 4452 of file simd.h.

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

Definition at line 4388 of file simd.h.

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

Definition at line 4448 of file simd.h.

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

Definition at line 4415 of file simd.h.

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

Definition at line 4428 of file simd.h.

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

Definition at line 4444 of file simd.h.

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

Definition at line 4393 of file simd.h.

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

Definition at line 4401 of file simd.h.

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

Definition at line 4360 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,
const vint4 b 
)
friend

Definition at line 4349 of file simd.h.

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

Definition at line 4357 of file simd.h.

vint4 operator~ ( const vint4 a)
friend

Definition at line 4372 of file simd.h.

Member Data Documentation

simd_t simd::vint4::m_simd

Definition at line 1096 of file simd.h.

value_t simd::vint4::m_val[elements]

Definition at line 1097 of file simd.h.


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