libdevice User's Guide
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CUDA Toolkit v5.5
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Last updated
May 11, 2013
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3.277. __nv_signbitf
Prototype:
i32 @__nv_signbitf(float %x)
Description:
Determine whether the floating-point value x is negative.
Returns:
Returns a nonzero value if and only if x is negative. Reports the sign bit of all values including infinities, zeros, and NaNs.
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