1.2.3. Bfloat16 Comparison Functions
[Bfloat16 Precision Intrinsics]
To use these functions, include the header file cuda_bf16.h in your program.
Functions
- __device__  bool __heq ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 if-equal comparison.
 - __device__  bool __hequ ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 unordered if-equal comparison.
 - __device__  bool __hge ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 greater-equal comparison.
 - __device__  bool __hgeu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 unordered greater-equal comparison.
 - __device__  bool __hgt ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 greater-than comparison.
 - __device__  bool __hgtu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 unordered greater-than comparison.
 - __device__  int __hisinf ( const __nv_bfloat16 a )
 - Checks if the input nv_bfloat16 number is infinite.
 - __device__  bool __hisnan ( const __nv_bfloat16 a )
 - Determine whether nv_bfloat16 argument is a NaN.
 - __device__  bool __hle ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 less-equal comparison.
 - __device__  bool __hleu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 unordered less-equal comparison.
 - __device__  bool __hlt ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 less-than comparison.
 - __device__  bool __hltu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 unordered less-than comparison.
 - __device__  __nv_bfloat16 __hmax ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Calculates nv_bfloat16 maximum of two input values.
 - __device__  __nv_bfloat16 __hmax_nan ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Calculates nv_bfloat16 maximum of two input values, NaNs pass through.
 - __device__  __nv_bfloat16 __hmin ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Calculates nv_bfloat16 minimum of two input values.
 - __device__  __nv_bfloat16 __hmin_nan ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Calculates nv_bfloat16 minimum of two input values, NaNs pass through.
 - __device__  bool __hne ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 not-equal comparison.
 - __device__  bool __hneu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - Performs nv_bfloat16 unordered not-equal comparison.
 
Functions
- __device__  bool __heq ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 if-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of if-equal comparison of a and b.
 
Description
Performs nv_bfloat16 if-equal comparison of inputs a and b. NaN inputs generate false results.
 - __device__  bool __hequ ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 unordered if-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of unordered if-equal comparison of a and b.
 
Description
Performs nv_bfloat16 if-equal comparison of inputs a and b. NaN inputs generate true results.
 - __device__  bool __hge ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 greater-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of greater-equal comparison of a and b.
 
Description
Performs nv_bfloat16 greater-equal comparison of inputs a and b. NaN inputs generate false results.
 - __device__  bool __hgeu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 unordered greater-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of unordered greater-equal comparison of a and b.
 
Description
Performs nv_bfloat16 greater-equal comparison of inputs a and b. NaN inputs generate true results.
 - __device__  bool __hgt ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 greater-than comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of greater-than comparison of a and b.
 
Description
Performs nv_bfloat16 greater-than comparison of inputs a and b. NaN inputs generate false results.
 - __device__  bool __hgtu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 unordered greater-than comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of unordered greater-than comparison of a and b.
 
Description
Performs nv_bfloat16 greater-than comparison of inputs a and b. NaN inputs generate true results.
 - __device__  int __hisinf ( const __nv_bfloat16 a )
 - 
                           Checks if the input nv_bfloat16 number is infinite.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 
Returns
int
- -1 
                                       
iff a is equal to negative infinity,
 - 1 
                                       
iff a is equal to positive infinity,
 - 0 
                                       
otherwise.
 
Description
Checks if the input nv_bfloat16 number a is infinite.
 - __device__  bool __hisnan ( const __nv_bfloat16 a )
 - 
                           Determine whether nv_bfloat16 argument is a NaN.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- true 
                                       
iff argument is NaN.
 
Description
Determine whether nv_bfloat16 value a is a NaN.
 - __device__  bool __hle ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 less-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of less-equal comparison of a and b.
 
Description
Performs nv_bfloat16 less-equal comparison of inputs a and b. NaN inputs generate false results.
 - __device__  bool __hleu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 unordered less-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of unordered less-equal comparison of a and b.
 
Description
Performs nv_bfloat16 less-equal comparison of inputs a and b. NaN inputs generate true results.
 - __device__  bool __hlt ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 less-than comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of less-than comparison of a and b.
 
Description
Performs nv_bfloat16 less-than comparison of inputs a and b. NaN inputs generate false results.
 - __device__  bool __hltu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 unordered less-than comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of unordered less-than comparison of a and b.
 
Description
Performs nv_bfloat16 less-than comparison of inputs a and b. NaN inputs generate true results.
 - __device__  __nv_bfloat16 __hmax ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Calculates nv_bfloat16 maximum of two input values.
Description
Calculates nv_bfloat16 max(a, b) 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
 
 - 
                                       
 - __device__  __nv_bfloat16 __hmax_nan ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Calculates nv_bfloat16 maximum of two input values, NaNs pass through.
Description
Calculates nv_bfloat16 max(a, b) 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
 
 - 
                                       
 - __device__  __nv_bfloat16 __hmin ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Calculates nv_bfloat16 minimum of two input values.
Description
Calculates nv_bfloat16 min(a, b) 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
 
 - 
                                       
 - __device__  __nv_bfloat16 __hmin_nan ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Calculates nv_bfloat16 minimum of two input values, NaNs pass through.
Description
Calculates nv_bfloat16 min(a, b) 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
 
 - 
                                       
 - __device__  bool __hne ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 not-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of not-equal comparison of a and b.
 
Description
Performs nv_bfloat16 not-equal comparison of inputs a and b. NaN inputs generate false results.
 - __device__  bool __hneu ( const __nv_bfloat16 a, const __nv_bfloat16 b )
 - 
                           Performs nv_bfloat16 unordered not-equal comparison.
Parameters
- a
 - - nv_bfloat16. Is only being read.
 - b
 - - nv_bfloat16. Is only being read.
 
Returns
bool
- The 
                                       
boolean result of unordered not-equal comparison of a and b.
 
Description
Performs nv_bfloat16 not-equal comparison of inputs a and b. NaN inputs generate true results.