1.1.2. Half2 Arithmetic Functions

[Half Precision Intrinsics]

Functions

__device__ ​ __half2 __hadd2 ( const __half2 a, const __half2 b )
Performs half2 vector addition in round-to-nearest-even 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].
__device__ ​ __half2 __hfma2 ( const __half2 a, const __half2 b, const __half2 c )
Performs half2 vector fused multiply-add in round-to-nearest-even mode.
__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].
__device__ ​ __half2 __hmul2 ( const __half2 a, const __half2 b )
Performs half2 vector multiplication 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].
__device__ ​ __half2 __hneg2 ( const __half2 a )
Negates both halves of the input half2 number and returns the result.
__device__ ​ __half2 __hsub2 ( const __half2 a, const __half2 b )
Performs half2 vector subtraction 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].

Functions

__device__ ​ __half2 __hadd2 ( const __half2 a, const __half2 b )
Performs half2 vector addition in round-to-nearest-even mode.
Returns

Returns the half2 vector result of adding vectors a and b.

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].
Returns

Returns the half2 vector result of adding vectors a and b with 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 __hfma2 ( const __half2 a, const __half2 b, const __half2 c )
Performs half2 vector fused multiply-add in round-to-nearest-even mode.
Returns

Returns the half2 vector result of the fused multiply-add operation on vectors a, b, and c.

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_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].
Returns

Returns the half2 vector result of the fused multiply-add operation on vectors a, b, and c with 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.
Returns

Returns the half2 vector result of multiplying vectors a and b.

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].
Returns

Returns the half2 vector result of multiplying vectors a and b with 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.
Returns

Returns half2 number with both halves negated.

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.
Returns

Returns the half2 vector result of subtraction vector b from a.

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].
Returns

Returns the half2 vector result of subtraction vector b from a with 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.