cuda::math Namespace Reference

Device/CUDA math functions. More...

Functions
__device__ real	min (real a, real b)
	Minimum value out of two floating point values. More...
__device__ real	min (real a, real b, real c)
	Minimum value out of three floating point values. More...
__device__ real	max (real a, real b)
	Maximum value out of two floating point values. More...
__device__ real	max (real a, real b, real c)
	Maximum value out of three floating point values. More...
__device__ real	abs (real a)
	Absolute value of a floating point value. More...
__device__ real	sqrt (real a)
	Square root of a floating point value. More...
__device__ real	rsqrt (real a)
	Inverse square root of a floating point value. More...

Detailed Description

Device/CUDA math functions.

Wrapping CUDA math functionalities to provide correct function for both single and double precision.

Function Documentation

abs()

__device__ real cuda::math::abs

(

real

a

)

Absolute value of a floating point value.

Parameters

a	Floating point value

Returns

Absolute value of floating point value.

Definition at line 448 of file cuda_utilities.cu.

max() [1/2]

__device__ real cuda::math::max	(	real	a,
		real	b
	)

Maximum value out of two floating point values.

Parameters

a	Floating point value 1
b	Floating point value 2

Returns

Maximum floating point value

Definition at line 431 of file cuda_utilities.cu.

max() [2/2]

__device__ real cuda::math::max	(	real	a,
		real	b,
		real	c
	)

Maximum value out of three floating point values.

Parameters

a	Floating point value 1
b	Floating point value 2
c	Floating point value 3

Returns

Maximum floating point value

Definition at line 439 of file cuda_utilities.cu.

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min() [1/2]

__device__ real cuda::math::min	(	real	a,
		real	b
	)

Minimum value out of two floating point values.

Parameters

a	Floating point value 1
b	Floating point value 2

Returns

Minimum floating point value

Definition at line 414 of file cuda_utilities.cu.

min() [2/2]

__device__ real cuda::math::min	(	real	a,
		real	b,
		real	c
	)

Minimum value out of three floating point values.

Parameters

a	Floating point value 1
b	Floating point value 2
c	Floating point value 3

Returns

Minimum floating point value

Definition at line 422 of file cuda_utilities.cu.

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rsqrt()

__device__ real cuda::math::rsqrt

(

real

a

)

Inverse square root of a floating point value.

Parameters

a	Floating point value

Returns

Inverse square root of a floating point value

Definition at line 464 of file cuda_utilities.cu.

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sqrt()

__device__ real cuda::math::sqrt

(

real

a

)

Square root of a floating point value.

Parameters

a	Floating point value

Returns

Square root of floating point value

Definition at line 456 of file cuda_utilities.cu.

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