3.34. __nv_dadd_rn

Prototype: 

double @__nv_dadd_rn(double %x, double %y)

Description:

Adds two floating point values x and y in round-to-nearest-even mode.

Returns:

Returns x + y.

Note:

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

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

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes