27 #ifndef __GyotoPowerLawSpectrum_H_
28 #define __GyotoPowerLawSpectrum_H_
53 PowerLaw(double exponent, double constant=1.);
58 void setConstant(double);
60 void setExponent(double);
62 using Gyoto::Spectrum::Generic::operator();
63 virtual double operator()(double nu) const;
66 #ifdef GYOTO_USE_XERCES
73 virtual void
fillElement(FactoryMessenger *fmp) const ;
78 #ifdef GYOTO_USE_XERCES