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 the largest integer value which is less than or equal to x expressed as a floating-point number.

  • __nv_floor( ± ∞ ) returns ± ∞ .

  • __nv_floor( ± 0 ) returns ± 0 .

Note:

For accuracy information see the CUDA C++ Programming Guide, Mathematical Functions Appendix, Double-Precision Floating-Point Functions section.

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes