hankel()

TFourier::Tcoeff hankel

(

const double &

arg

)

Definition at line 41 of file hankel.cc.

References IME.

Referenced by singlevelocitytransformation(), and zflinefc().

{
  TFourier::Tcoeff retval;
  if (arg < 1.e-30)
  {
    retval=0.;
  }
  else
  {
    retval=gsl_sf_bessel_J0(arg)-IME*gsl_sf_bessel_Y0(arg);
  }
  return(retval);
}

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