1.1.6. Half Math Functions
[Half Precision Intrinsics]
Functions
- __device__ __half hceil ( const __half h )
- Calculate ceiling of the input argument.
- __device__ __half hcos ( const __half a )
- Calculates half cosine in round-to-nearest-even mode.
- __device__ __half hexp ( const __half a )
- Calculates half natural exponential function in round-to-nearest mode.
- __device__ __half hexp10 ( const __half a )
- Calculates half decimal exponential function in round-to-nearest mode.
- __device__ __half hexp2 ( const __half a )
- Calculates half binary exponential function in round-to-nearest mode.
- __device__ __half hfloor ( const __half h )
- Calculate the largest integer less than or equal to h.
- __device__ __half hlog ( const __half a )
- Calculates half natural logarithm in round-to-nearest-even mode.
- __device__ __half hlog10 ( const __half a )
- Calculates half decimal logarithm in round-to-nearest-even mode.
- __device__ __half hlog2 ( const __half a )
- Calculates half binary logarithm in round-to-nearest-even mode.
- __device__ __half hrcp ( const __half a )
- Calculates half reciprocal in round-to-nearest-even mode.
- __device__ __half hrint ( const __half h )
- Round input to nearest integer value in half-precision floating point number.
- __device__ __half hrsqrt ( const __half a )
- Calculates half reciprocal square root in round-to-nearest-even mode.
- __device__ __half hsin ( const __half a )
- Calculates half sine in round-to-nearest-even mode.
- __device__ __half hsqrt ( const __half a )
- Calculates half square root in round-to-nearest-even mode.
- __device__ __half htrunc ( const __half h )
- Truncate input argument to the integral part.
Functions
- __device__ __half hceil ( const __half h )
-
Calculate ceiling of the input argument.
Returns
Returns ceiling expressed as a half-precision floating point number.
Description
Compute the smallest integer value not less than h.
- __device__ __half hcos ( const __half a )
-
Calculates half cosine in round-to-nearest-even mode.
Returns
Returns half cosine of a.
Description
Calculates half cosine of input a in round-to-nearest-even mode.
- __device__ __half hexp ( const __half a )
-
Calculates half natural exponential function in round-to-nearest mode.
Returns
Returns half natural exponential function of a.
Description
Calculates half natural exponential function of input a in round-to-nearest-even mode.
- __device__ __half hexp10 ( const __half a )
-
Calculates half decimal exponential function in round-to-nearest mode.
Returns
Returns half decimal exponential function of a.
Description
Calculates half decimal exponential function of input a in round-to-nearest-even mode.
- __device__ __half hexp2 ( const __half a )
-
Calculates half binary exponential function in round-to-nearest mode.
Returns
Returns half binary exponential function of a.
Description
Calculates half binary exponential function of input a in round-to-nearest-even mode.
- __device__ __half hfloor ( const __half h )
-
Calculate the largest integer less than or equal to h.
Returns
Returns floor expressed as half-precision floating point number.
Description
Calculate the largest integer value which is less than or equal to h.
- __device__ __half hlog ( const __half a )
-
Calculates half natural logarithm in round-to-nearest-even mode.
Returns
Returns half natural logarithm of a.
Description
Calculates half natural logarithm of input a in round-to-nearest-even mode.
- __device__ __half hlog10 ( const __half a )
-
Calculates half decimal logarithm in round-to-nearest-even mode.
Returns
Returns half decimal logarithm of a.
Description
Calculates half decimal logarithm of input a in round-to-nearest-even mode.
- __device__ __half hlog2 ( const __half a )
-
Calculates half binary logarithm in round-to-nearest-even mode.
Returns
Returns half binary logarithm of a.
Description
Calculates half binary logarithm of input a in round-to-nearest-even mode.
- __device__ __half hrcp ( const __half a )
-
Calculates half reciprocal in round-to-nearest-even mode.
Returns
Returns half reciprocal of a.
Description
Calculates half reciprocal of input a in round-to-nearest-even mode.
- __device__ __half hrint ( const __half h )
-
Round input to nearest integer value in half-precision floating point number.
Returns
Returns rounded integer value expressed as half-precision floating point number.
Description
Round h to the nearest integer value in half-precision floating point format, with halfway cases rounded to the nearest even integer value.
- __device__ __half hrsqrt ( const __half a )
-
Calculates half reciprocal square root in round-to-nearest-even mode.
Returns
Returns half reciprocal square root of a.
Description
Calculates half reciprocal square root of input a in round-to-nearest mode.
- __device__ __half hsin ( const __half a )
-
Calculates half sine in round-to-nearest-even mode.
Returns
Returns half sine of a.
Description
Calculates half sine of input a in round-to-nearest-even mode.
- __device__ __half hsqrt ( const __half a )
-
Calculates half square root in round-to-nearest-even mode.
Returns
Returns half square root of a.
Description
Calculates half square root of input a in round-to-nearest-even mode.
- __device__ __half htrunc ( const __half h )
-
Truncate input argument to the integral part.
Returns
Returns truncated integer value.
Description
Round h to the nearest integer value that does not exceed h in magnitude.