3.257. __nv_norm3d

double @__nv_norm3d(double %a, double %b, double %c)

Calculate the square root of the sum of squares of three coordinates of argument.

Calculate the length of three dimensional vector p in euclidean space undue overflow or underflow.

Note

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

Returns

Returns the length of the 3D vector \(\sqrt{p.x^2+p.y^2+p.z^2}\). If the correct value would overflow, returns \(+\infty\). If the correct value would underflow, returns 0.