3.82. __nv_erfcxf

Prototype:

float @__nv_erfcxf(float %x) 

Description:

Calculate the scaled complementary error function of the input argument x, e x 2 erfc ( x ) .

Returns:

  • __nv_erfcxf( - ) returns +

  • __nv_erfcxf( + ) returns +0

  • __nv_erfcxf(x) returns + if the correctly calculated value is outside the double floating point range.

Note:

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

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes