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libdevice User's Guide (PDF) - CUDA Toolkit v5.5 for POWER8 (older) - Last updated October 15, 2014 - Send Feedback

3.313. __nv_usad

Prototype:

i32 @__nv_usad(i32 %x, i32 %y, i32 %z) 

Description:

Calculate | x y | + z , the 32-bit sum of the third argument z plus and the absolute value of the difference between the first argument, x, and second argument, y.

Inputs x, y, and z are unsigned 32-bit integers.

Returns:

Returns | x y | + z .

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes


libdevice User's Guide (PDF) - CUDA Toolkit v5.5 for POWER8 (older) - Last updated October 15, 2014 - Send Feedback