anonymous_namespace{crosssectionsphoton.cc} Namespace Reference

Functions
double	HeavisideTheta (double x)
	Heavyside step function. More...

Function Documentation

HeavisideTheta()

double anonymous_namespace{crosssectionsphoton.cc}::HeavisideTheta

(

double

x

)

Heavyside step function.

Parameters

[in]

x

value to be compared to zero

Returns

0 if x is smaller than 0, else 1

Definition at line 32 of file crosssectionsphoton.cc.

                                {
  if (x >= 0.0) {
    return 1.0;
  } else {
    return 0.0;
  }
}