libdevice User's Guide (PDF) - CUDA Toolkit v5.5 (older) - Last updated May 11, 2013 - Send Feedback

3.181. __nv_hadd

Prototype:

i32 @__nv_hadd(i32 %x, i32 %y) 

Description:

Compute average of signed input arguments x and y as ( x + y ) >> 1, avoiding overflow in the intermediate sum.

Returns:

Returns a signed integer value representing the signed average value of the two inputs.

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes


libdevice User's Guide (PDF) - CUDA Toolkit v5.5 (older) - Last updated May 11, 2013 - Send Feedback