Functions

__device__ ​ __half2 __h2div ( const __half2 a, const __half2 b )

Performs half2 vector division in round-to-nearest-even mode.

Description

Divides half2 input vector a by input vector b in round-to-nearest mode.

__device__ ​ __half2 __habs2 ( const __half2 a )

Calculates the absolute value of both halves of the input half2 number and returns the result.

Parameters

a

- half2. Is only being read.

Returns

half2

• Returns

  a with the absolute value of both halves.

Description

Calculates the absolute value of both halves of the input half2 number and returns the result.

__device__ ​ __half2 __hadd2 ( const __half2 a, const __half2 b )

Performs half2 vector addition in round-to-nearest-even mode.

Description

Performs half2 vector add of inputs a and b, in round-to-nearest mode.

__device__ ​ __half2 __hadd2_sat ( const __half2 a, const __half2 b )

Performs half2 vector addition in round-to-nearest-even mode, with saturation to [0.0, 1.0].

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The

  sum of a and b, with respect to saturation.

Description

Performs half2 vector add of inputs a and b, in round-to-nearest mode, and clamps the results to range [0.0, 1.0]. NaN results are flushed to +0.0.

__device__ ​ __half2 __hcmadd ( const __half2 a, const __half2 b, const __half2 c )

Performs fast complex multiply-accumulate.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

c

- half2. Is only being read.

Returns

half2

• The

  result of complex multiply-accumulate operation on complex numbers a, b, and c

Description

Interprets vector half2 input pairs a, b, and c as complex numbers in half precision and performs complex multiply-accumulate operation: a*b + c

__device__ ​ __half2 __hfma2 ( const __half2 a, const __half2 b, const __half2 c )

Performs half2 vector fused multiply-add in round-to-nearest-even mode.

Description

Performs half2 vector multiply on inputs a and b, then performs a half2 vector add of the result with c, rounding the result once in round-to-nearest-even mode.

__device__ ​ __half2 __hfma2_relu ( const __half2 a, const __half2 b, const __half2 c )

Performs half2 vector fused multiply-add in round-to-nearest-even mode with relu saturation.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

c

- half2. Is only being read.

Returns

half2

• The

  result of elementwise fused multiply-add operation on vectors a, b, and c with relu saturation.

Description

Performs half2 vector multiply on inputs a and b, then performs a half2 vector add of the result with c, rounding the result once in round-to-nearest-even mode. Then negative result is clamped to 0. NaN result is converted to canonical NaN.

__device__ ​ __half2 __hfma2_sat ( const __half2 a, const __half2 b, const __half2 c )

Performs half2 vector fused multiply-add in round-to-nearest-even mode, with saturation to [0.0, 1.0].

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

c

- half2. Is only being read.

Returns

half2

• The

  result of elementwise fused multiply-add operation on vectors a, b, and c, with respect to saturation.

Description

Performs half2 vector multiply on inputs a and b, then performs a half2 vector add of the result with c, rounding the result once in round-to-nearest-even mode, and clamps the results to range [0.0, 1.0]. NaN results are flushed to +0.0.

__device__ ​ __half2 __hmul2 ( const __half2 a, const __half2 b )

Performs half2 vector multiplication in round-to-nearest-even mode.

Description

Performs half2 vector multiplication of inputs a and b, in round-to-nearest-even mode.

__device__ ​ __half2 __hmul2_sat ( const __half2 a, const __half2 b )

Performs half2 vector multiplication in round-to-nearest-even mode, with saturation to [0.0, 1.0].

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The

  result of elementwise multiplication of vectors a and b, with respect to saturation.

Description

Performs half2 vector multiplication of inputs a and b, in round-to-nearest-even mode, and clamps the results to range [0.0, 1.0]. NaN results are flushed to +0.0.

__device__ ​ __half2 __hneg2 ( const __half2 a )

Negates both halves of the input half2 number and returns the result.

Description

Negates both halves of the input half2 number a and returns the result.

__device__ ​ __half2 __hsub2 ( const __half2 a, const __half2 b )

Performs half2 vector subtraction in round-to-nearest-even mode.

Description

Subtracts half2 input vector b from input vector a in round-to-nearest-even mode.

__device__ ​ __half2 __hsub2_sat ( const __half2 a, const __half2 b )

Performs half2 vector subtraction in round-to-nearest-even mode, with saturation to [0.0, 1.0].

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The

  subtraction of vector b from a, with respect to saturation.

Description

Subtracts half2 input vector b from input vector a in round-to-nearest-even mode, and clamps the results to range [0.0, 1.0]. NaN results are flushed to +0.0.