3.139. __nv_floorf

Prototype: 

float @__nv_floorf(float %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_floorf( ± ∞ ) returns ± ∞ .

  • __nv_floorf( ± 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