3.185. __nv_fsub_rd

float @__nv_fsub_rd(float %x, float %y)

Subtract two floating point values in round-down mode.

Compute the difference of x and y in round-down (to negative infinity) mode.

Note

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

Note

This operation will never be merged into a single multiply-add instruction.

Returns

Returns x - y.