coeff()

TFourier::Tcoeff FSECZ::coeff ( const double &  p ) const

virtual

return expansion coefficient for given phase slowness

Implements ExpCoefficients.

Definition at line 51 of file wnintegration.cc.

References ExpCoefficients::Malphaq, and ExpCoefficients::Mbetaq.

{
  TFourier::Tcoeff retval;
  TFourier::Tcoeff pq=p*p;
  TFourier::Tcoeff aq=(1./Malphaq)-pq;
  TFourier::Tcoeff bq=(1./Mbetaq)-pq;
  retval=std::sqrt(aq)+pq/std::sqrt(bq);
  return(retval);
} // TFourier::Tcoeff FSECZ::coeff(const double& k) const