## 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( $±\infty$ ) returns $±\infty$ .

• __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