libdevice User's Guide (PDF) - CUDA Toolkit v5.5 (older) - Last updated July 19, 2013 - Send Feedback

3.191. __nv_isnand

Prototype:

i32 @__nv_isnand(double %x) 

Description:

Determine whether the floating-point value x is a NaN.

Returns:

Returns a nonzero value if and only if x is a NaN value.

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 July 19, 2013 - Send Feedback