anonymous_namespace{crosssectionsphoton.cc} Namespace Reference

Functions
double	HeavisideTheta (double x)
	Heavyside step function. More...
double	cut_off (const double sigma_mb)
	Cross section after cut off. 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 33 of file crosssectionsphoton.cc.

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

Here is the caller graph for this function:

cut_off()

double anonymous_namespace{crosssectionsphoton.cc}::cut_off

(

const double

sigma_mb

)

Cross section after cut off.

Cross sections larger than a certain value are cut off in smash. Either the cross section is returned or, if the cross section is larger than the cut off, the cut off value is returned

Parameters

[in]

sigma_mb

cross section before cut off [mb]

Returns

Cross section after cut off [mb]

Definition at line 51 of file crosssectionsphoton.cc.

                                      {
  return (sigma_mb > smash::maximum_cross_section)
             ? smash::maximum_cross_section
             : sigma_mb;
}

Here is the caller graph for this function: