Functions

__host__ ​ __device__ ​ bool __hbeq2 ( const __half2 a, const __half2 b )

Performs half2 vector if-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of if-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector if-equal comparison of inputs a and b. The bool result is set to true only if both half if-equal comparisons evaluate to true, or false otherwise. NaN inputs generate false results.

__host__ ​ __device__ ​ bool __hbequ2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered if-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of unordered if-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector if-equal comparison of inputs a and b. The bool result is set to true only if both half if-equal comparisons evaluate to true, or false otherwise. NaN inputs generate true results.

__host__ ​ __device__ ​ bool __hbge2 ( const __half2 a, const __half2 b )

Performs half2 vector greater-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of greater-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector greater-equal comparison of inputs a and b. The bool result is set to true only if both half greater-equal comparisons evaluate to true, or false otherwise. NaN inputs generate false results.

__host__ ​ __device__ ​ bool __hbgeu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered greater-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of unordered greater-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector greater-equal comparison of inputs a and b. The bool result is set to true only if both half greater-equal comparisons evaluate to true, or false otherwise. NaN inputs generate true results.

__host__ ​ __device__ ​ bool __hbgt2 ( const __half2 a, const __half2 b )

Performs half2 vector greater-than comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of greater-than comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector greater-than comparison of inputs a and b. The bool result is set to true only if both half greater-than comparisons evaluate to true, or false otherwise. NaN inputs generate false results.

__host__ ​ __device__ ​ bool __hbgtu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered greater-than comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of unordered greater-than comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector greater-than comparison of inputs a and b. The bool result is set to true only if both half greater-than comparisons evaluate to true, or false otherwise. NaN inputs generate true results.

__host__ ​ __device__ ​ bool __hble2 ( const __half2 a, const __half2 b )

Performs half2 vector less-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of less-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector less-equal comparison of inputs a and b. The bool result is set to true only if both half less-equal comparisons evaluate to true, or false otherwise. NaN inputs generate false results.

__host__ ​ __device__ ​ bool __hbleu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered less-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of unordered less-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector less-equal comparison of inputs a and b. The bool result is set to true only if both half less-equal comparisons evaluate to true, or false otherwise. NaN inputs generate true results.

__host__ ​ __device__ ​ bool __hblt2 ( const __half2 a, const __half2 b )

Performs half2 vector less-than comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of less-than comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector less-than comparison of inputs a and b. The bool result is set to true only if both half less-than comparisons evaluate to true, or false otherwise. NaN inputs generate false results.

__host__ ​ __device__ ​ bool __hbltu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered less-than comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of unordered less-than comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector less-than comparison of inputs a and b. The bool result is set to true only if both half less-than comparisons evaluate to true, or false otherwise. NaN inputs generate true results.

__host__ ​ __device__ ​ bool __hbne2 ( const __half2 a, const __half2 b )

Performs half2 vector not-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of not-equal comparison of vectors a and b are true,
• false otherwise.

Description

Performs half2 vector not-equal comparison of inputs a and b. The bool result is set to true only if both half not-equal comparisons evaluate to true, or false otherwise. NaN inputs generate false results.

__host__ ​ __device__ ​ bool __hbneu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered not-equal comparison and returns boolean true iff both half results are true, boolean false otherwise.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

bool

• true if both half results of unordered not-equal comparison of vectors a and b are true;
• false otherwise.

Description

Performs half2 vector not-equal comparison of inputs a and b. The bool result is set to true only if both half not-equal comparisons evaluate to true, or false otherwise. NaN inputs generate true results.

__host__ ​ __device__ ​__half2 __heq2 ( const __half2 a, const __half2 b )

Performs half2 vector if-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of if-equal comparison of vectors a and b.

Description

Performs half2 vector if-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​ unsigned __heq2_mask ( const __half2 a, const __half2 b )

Performs half2 vector if-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of if-equal comparison of vectors a and b.

Description

Performs half2 vector if-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​__half2 __hequ2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered if-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of unordered if-equal comparison of vectors a and b.

Description

Performs half2 vector if-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ unsigned __hequ2_mask ( const __half2 a, const __half2 b )

Performs half2 vector unordered if-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of unordered if-equal comparison of vectors a and b.

Description

Performs half2 vector if-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​__half2 __hge2 ( const __half2 a, const __half2 b )

Performs half2 vector greater-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of greater-equal comparison of vectors a and b.

Description

Performs half2 vector greater-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​ unsigned __hge2_mask ( const __half2 a, const __half2 b )

Performs half2 vector greater-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of greater-equal comparison of vectors a and b.

Description

Performs half2 vector greater-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​__half2 __hgeu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered greater-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The half2 vector result of unordered greater-equal comparison of vectors a and b.

Description

Performs half2 vector greater-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ unsigned __hgeu2_mask ( const __half2 a, const __half2 b )

Performs half2 vector unordered greater-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of unordered greater-equal comparison of vectors a and b.

Description

Performs half2 vector greater-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​__half2 __hgt2 ( const __half2 a, const __half2 b )

Performs half2 vector greater-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of greater-than comparison of vectors a and b.

Description

Performs half2 vector greater-than comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​ unsigned __hgt2_mask ( const __half2 a, const __half2 b )

Performs half2 vector greater-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of greater-than comparison of vectors a and b.

Description

Performs half2 vector greater-than comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​__half2 __hgtu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered greater-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The half2 vector result of unordered greater-than comparison of vectors a and b.

Description

Performs half2 vector greater-than comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ unsigned __hgtu2_mask ( const __half2 a, const __half2 b )

Performs half2 vector unordered greater-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of unordered greater-than comparison of vectors a and b.

Description

Performs half2 vector greater-than comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​__half2 __hisnan2 ( const __half2 a )

Determine whether half2 argument is a NaN.

Parameters

a

- half2. Is only being read.

Returns

half2

• The half2 with the corresponding half results set to 1.0 for NaN, 0.0 otherwise.

Description

Determine whether each half of input half2 number a is a NaN.

__host__ ​ __device__ ​__half2 __hle2 ( const __half2 a, const __half2 b )

Performs half2 vector less-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The half2 result of less-equal comparison of vectors a and b.

Description

Performs half2 vector less-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​ unsigned __hle2_mask ( const __half2 a, const __half2 b )

Performs half2 vector less-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of less-equal comparison of vectors a and b.

Description

Performs half2 vector less-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​__half2 __hleu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered less-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of unordered less-equal comparison of vectors a and b.

Description

Performs half2 vector less-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ unsigned __hleu2_mask ( const __half2 a, const __half2 b )

Performs half2 vector unordered less-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of unordered less-equal comparison of vectors a and b.

Description

Performs half2 vector less-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​__half2 __hlt2 ( const __half2 a, const __half2 b )

Performs half2 vector less-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The half2 vector result of less-than comparison of vectors a and b.

Description

Performs half2 vector less-than comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​ unsigned __hlt2_mask ( const __half2 a, const __half2 b )

Performs half2 vector less-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of less-than comparison of vectors a and b.

Description

Performs half2 vector less-than comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​__half2 __hltu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered less-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of unordered less-than comparison of vectors a and b.

Description

Performs half2 vector less-than comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ unsigned __hltu2_mask ( const __half2 a, const __half2 b )

Performs half2 vector unordered less-than comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of unordered less-than comparison of vectors a and b.

Description

Performs half2 vector less-than comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​__half2 __hmax2 ( const __half2 a, const __half2 b )

Calculates half2 vector maximum of two inputs.

Description

Calculates half2 vector max(a, b). Elementwise half operation is defined as (a > b) ? a : b.

• If either of inputs is NaN, the other input is returned.

• If both inputs are NaNs, then canonical NaN is returned.

• If values of both inputs are 0.0, then +0.0 > -0.0

• The result of elementwise maximum of vectors a and b

__host__ ​ __device__ ​__half2 __hmax2_nan ( const __half2 a, const __half2 b )

Calculates half2 vector maximum of two inputs, NaNs pass through.

Description

Calculates half2 vector max(a, b). Elementwise half operation is defined as (a > b) ? a : b.

• If either of inputs is NaN, then canonical NaN is returned.

• If values of both inputs are 0.0, then +0.0 > -0.0

• The result of elementwise maximum of vectors a and b, with NaNs pass through

__host__ ​ __device__ ​__half2 __hmin2 ( const __half2 a, const __half2 b )

Calculates half2 vector minimum of two inputs.

Description

Calculates half2 vector min(a, b). Elementwise half operation is defined as (a < b) ? a : b.

• If either of inputs is NaN, the other input is returned.

• If both inputs are NaNs, then canonical NaN is returned.

• If values of both inputs are 0.0, then +0.0 > -0.0

• The result of elementwise minimum of vectors a and b

__host__ ​ __device__ ​__half2 __hmin2_nan ( const __half2 a, const __half2 b )

Calculates half2 vector minimum of two inputs, NaNs pass through.

Description

Calculates half2 vector min(a, b). Elementwise half operation is defined as (a < b) ? a : b.

• If either of inputs is NaN, then canonical NaN is returned.

• If values of both inputs are 0.0, then +0.0 > -0.0

• The result of elementwise minimum of vectors a and b, with NaNs pass through

__host__ ​ __device__ ​__half2 __hne2 ( const __half2 a, const __half2 b )

Performs half2 vector not-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of not-equal comparison of vectors a and b.

Description

Performs half2 vector not-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​ unsigned __hne2_mask ( const __half2 a, const __half2 b )

Performs half2 vector not-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of not-equal comparison of vectors a and b.

Description

Performs half2 vector not-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate false results.

__host__ ​ __device__ ​__half2 __hneu2 ( const __half2 a, const __half2 b )

Performs half2 vector unordered not-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

half2

• The vector result of unordered not-equal comparison of vectors a and b.

Description

Performs half2 vector not-equal comparison of inputs a and b. The corresponding half results are set to 1.0 for true, or 0.0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ unsigned __hneu2_mask ( const __half2 a, const __half2 b )

Performs half2 vector unordered not-equal comparison.

Parameters

a

- half2. Is only being read.

b

- half2. Is only being read.

Returns

unsigned int

• The vector mask result of unordered not-equal comparison of vectors a and b.

Description

Performs half2 vector not-equal comparison of inputs a and b. The corresponding unsigned bits are set to 0xFFFF for true, or 0x0 for false. NaN inputs generate true results.

__host__ ​ __device__ ​ __CUDA_FP16_FORCEINLINE__ bool operator!= ( const __half2& lh, const __half2& rh )

Description

Performs packed half unordered compare not-equal operation. See also __hbneu2( __half2, __half2)

__host__ ​ __device__ ​ __CUDA_FP16_FORCEINLINE__ bool operator< ( const __half2& lh, const __half2& rh )

Description

Performs packed half ordered less-than compare operation. See also __hblt2( __half2, __half2)

__host__ ​ __device__ ​ __CUDA_FP16_FORCEINLINE__ bool operator<= ( const __half2& lh, const __half2& rh )

Description

Performs packed half ordered less-or-equal compare operation. See also __hble2( __half2, __half2)

__host__ ​ __device__ ​ __CUDA_FP16_FORCEINLINE__ bool operator== ( const __half2& lh, const __half2& rh )

Description

Performs packed half ordered compare equal operation. See also __hbeq2( __half2, __half2)

__host__ ​ __device__ ​ __CUDA_FP16_FORCEINLINE__ bool operator> ( const __half2& lh, const __half2& rh )

Description

Performs packed half ordered greater-than compare operation. See also __hbgt2( __half2, __half2)

__host__ ​ __device__ ​ __CUDA_FP16_FORCEINLINE__ bool operator>= ( const __half2& lh, const __half2& rh )

Description

Performs packed half ordered greater-or-equal compare operation. See also __hbge2( __half2, __half2)