3.138. __nv_floor

Prototype: 

double @__nv_floor(double %f)

Description:

Calculates the largest integer value which is less than or equal to x.

Returns:

Returns l o g e ( 1 + x ) expressed as a floating-point number.

  • __nv_floor( ± ∞ ) returns ± ∞ .

  • __nv_floor( ± 0 ) returns ± 0 .

Note:

For accuracy information for this function see the CUDA C Programming Guide, Appendix D.1, Table 7.

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes