QAWO adaptive integration for oscillatory functions. More...

Inheritance diagram for anonymous_namespace{core_power.cpp}::Integr_obj_qawo:

Collaboration diagram for anonymous_namespace{core_power.cpp}::Integr_obj_qawo:

Public Member Functions
	Integr_obj_qawo (double(f)(double, void ), const double a, const double b, const double epsabs, const double epsrel, size_t limit, size_t n)

	~Integr_obj_qawo ()

double	operator() (double r, void *params)

Public Member Functions inherited from anonymous_namespace{core_power.cpp}::Integr_obj
	Integr_obj (double(f)(double, void ), const double a, const double b, const double epsabs, const double epsrel, const size_t limit)

	~Integr_obj ()

void	set_a (double a_new)

void	set_b (double b_new)

Protected Attributes
gsl_integration_qawo_table *	wf

Protected Attributes inherited from anonymous_namespace{core_power.cpp}::Integr_obj
double	result

double	error

double	a

double	b

double	L

double	epsabs

double	epsrel

size_t	limit

gsl_function	F

gsl_integration_workspace *	w

int	gsl_errno

Detailed Description

QAWO adaptive integration for oscillatory functions.

The QAWO algorithm is designed for integrands with an oscillatory factor, $\sin(\omega x)$ or $\cos(\omega x)$ .

Definition at line 148 of file core_power.cpp.

Constructor & Destructor Documentation

anonymous_namespace{core_power.cpp}::Integr_obj_qawo::Integr_obj_qawo	(	double()(double, void )	f,
		const double	a,
		const double	b,
		const double	epsabs,
		const double	epsrel,
		size_t	limit,
		size_t	n
	)

inline

Definition at line 152 of file core_power.cpp.

                                                                                      :
     Integr_obj(f, a, b, epsabs, epsrel, limit)
     {
         wf = gsl_integration_qawo_table_alloc(1, 1, GSL_INTEG_SINE, n);
     }

anonymous_namespace{core_power.cpp}::Integr_obj_qawo::~Integr_obj_qawo ( )

inline

Definition at line 159 of file core_power.cpp.

     {
         gsl_integration_qawo_table_free(wf);
     }

Member Function Documentation

double anonymous_namespace{core_power.cpp}::Integr_obj_qawo::operator()	(	double	r,
		void *	params
	)

inline

Definition at line 164 of file core_power.cpp.

References halomod_bm::params, and w.

     {
         gsl_integration_qawo_table_set(wf, r, L, GSL_INTEG_SINE);
         F.params = params;
         gsl_errno = gsl_integration_qawo(&F, a, epsabs, epsrel, limit, w, wf, &result, &error);
         if (gsl_errno) throw std::runtime_error("GSL integration error: " + std::string(gsl_strerror(gsl_errno)));
         else return result;
     }

Member Data Documentation

gsl_integration_qawo_table* anonymous_namespace{core_power.cpp}::Integr_obj_qawo::wf

protected

Definition at line 173 of file core_power.cpp.

The documentation for this class was generated from the following file:

src/core/core_power.cpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation