LISOUSI: Line Source Simulation

◆ hankel()

TFourier::Tcoeff hankel ( const double &  arg)

Definition at line 41 of file hankel.cc.

References IME.

Referenced by singlevelocitytransformation(), and zflinefc().

42 {
43  TFourier::Tcoeff retval;
44  if (arg < 1.e-30)
45  {
46  retval=0.;
47  }
48  else
49  {
50  retval=gsl_sf_bessel_J0(arg)-IME*gsl_sf_bessel_Y0(arg);
51  }
52  return(retval);
53 }
const TFourier::Tcoeff IME
Definition: lisousi.h:85
Here is the caller graph for this function: