ccl_cls.c File Reference

#include "ccl_cls.h"
#include "ccl_power.h"
#include "ccl_background.h"
#include "ccl_error.h"
#include "ccl_utils.h"
#include <stdlib.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "gsl/gsl_errno.h"
#include "gsl/gsl_integration.h"
#include "ccl_params.h"

Data Structures
struct	IntLensPar
struct	IntMagPar
struct	IntClPar

Functions
CCL_ClTracer *	ccl_cl_tracer_new (ccl_cosmology *cosmo, int tracer_type, int has_rsd, int has_magnification, int has_intrinsic_alignment, int nz_n, double *z_n, double *n, int nz_b, double *z_b, double *b, int nz_s, double *z_s, double *s, int nz_ba, double *z_ba, double *ba, int nz_rf, double *z_rf, double *rf, int *status)
void	ccl_cl_tracer_free (CCL_ClTracer *clt)
CCL_ClTracer *	ccl_cl_tracer_number_counts_new (ccl_cosmology *cosmo, int has_rsd, int has_magnification, int nz_n, double *z_n, double *n, int nz_b, double *z_b, double *b, int nz_s, double *z_s, double *s, int *status)
CCL_ClTracer *	ccl_cl_tracer_number_counts_simple_new (ccl_cosmology *cosmo, int nz_n, double *z_n, double *n, int nz_b, double *z_b, double *b, int *status)
CCL_ClTracer *	ccl_cl_tracer_lensing_new (ccl_cosmology *cosmo, int has_alignment, int nz_n, double *z_n, double *n, int nz_ba, double *z_ba, double *ba, int nz_rf, double *z_rf, double *rf, int *status)
CCL_ClTracer *	ccl_cl_tracer_lensing_simple_new (ccl_cosmology *cosmo, int nz_n, double *z_n, double *n, int *status)
double	ccl_angular_cl (ccl_cosmology *cosmo, int l, CCL_ClTracer *clt1, CCL_ClTracer *clt2, int *status)

Function Documentation

ccl_angular_cl()

double ccl_angular_cl	(	ccl_cosmology *	cosmo,
		int	l,
		CCL_ClTracer *	clt1,
		CCL_ClTracer *	clt2,
		int *	status
	)

Computes limber power spectrum for two different tracers

Parameters

cosmo	Cosmological parameters
clt1	a Cltracer
clt2	a Cltracer
status	Status flag. 0 if there are no errors, nonzero otherwise. For specific cases see documentation for ccl_error.c

Returns

void

ccl_cl_tracer_free()

void ccl_cl_tracer_free

(

CCL_ClTracer *

clt

)

Destructor for a Cltracer

Parameters

clt	a Cltracer

Returns

void

ccl_cl_tracer_lensing_new()

CCL_ClTracer* ccl_cl_tracer_lensing_new	(	ccl_cosmology *	cosmo,
		int	has_alignment,
		int	nz_n,
		double *	z_n,
		double *	n,
		int	nz_ba,
		double *	z_ba,
		double *	ba,
		int	nz_rf,
		double *	z_rf,
		double *	rf,
		int *	status
	)

Simplified constructor for a lensing ClTracer.

Parameters

has_intrinsic_alignment	Set to 1 if you want to compute the IA contribution to shear
nz_n	Number of bins in z_n and n
z_n	Redshifts for each redshift interval of n
n	Number count of objects per redshift interval (Note: arbitrary normalization - renormalized inside)
nz_ba	Number of bins in z_ba and ba
z_ba	Redshifts for each redshift interval of ba
ba	Alignment bias in each redshift bin
nz_rf	Number of bins in z_f and f
z_rf	Redshifts for each redshift interval of rf
rf	Aligned red fraction in each redshift bin
status	Status flag. 0 if there are no errors, nonzero otherwise. For specific cases see documentation for ccl_error.c

Returns

CCL_ClTracer object

ccl_cl_tracer_lensing_simple_new()

CCL_ClTracer* ccl_cl_tracer_lensing_simple_new	(	ccl_cosmology *	cosmo,
		int	nz_n,
		double *	z_n,
		double *	n,
		int *	status
	)

Simplified constructor for a lensing ClTracer without intrinsic alignment.

Parameters

nz_n	Number of bins in z_n and n
z_n	Redshifts for each redshift interval of n
n	Number count of objects per redshift interval (Note: arbitrary normalization - renormalized inside)
status	Status flag. 0 if there are no errors, nonzero otherwise. For specific cases see documentation for ccl_error.c

Returns

CCL_ClTracer object

ccl_cl_tracer_new()

CCL_ClTracer* ccl_cl_tracer_new	(	ccl_cosmology *	cosmo,
		int	tracer_type,
		int	has_rsd,
		int	has_magnification,
		int	has_intrinsic_alignment,
		int	nz_n,
		double *	z_n,
		double *	n,
		int	nz_b,
		double *	z_b,
		double *	b,
		int	nz_s,
		double *	z_s,
		double *	s,
		int	nz_ba,
		double *	z_ba,
		double *	ba,
		int	nz_rf,
		double *	z_rf,
		double *	rf,
		int *	status
	)

Constructor for a ClTracer.

Parameters

Tracer_type	pass CL_TRACER_NC (number counts) or CL_TRACER_WL (weak lensing)
has_rsd	Set to 1 if you want to compute the RSD contribution to number counts (0 otherwise)
has_magnification	Set to 1 if you want to compute the magnification contribution to number counts (0 otherwise)
has_intrinsic_alignment	Set to 1 if you want to compute the IA contribution to shear
nz_n	Number of bins in z_n and n
z_n	Redshifts for each redshift interval of n
n	Number count of objects per redshift interval (Note: arbitrary normalization - renormalized inside)
nz_b	Number of bins in z_b and b
z_b	Redshifts for each redshift interval of b
b	Clustering bias in each redshift bin
nz_s	Number of bins in z_s and s
z_s	Redshifts for each redshift interval of s
s	Magnification bias in each redshift bin
nz_ba	Number of bins in z_ba and ba
z_ba	Redshifts for each redshift interval of ba
ba	Alignment bias in each redshift bin
nz_rf	Number of bins in z_f and f
z_rf	Redshifts for each redshift interval of rf
rf	Aligned red fraction in each redshift bin

Returns

CCL_ClTracer object

ccl_cl_tracer_number_counts_new()

CCL_ClTracer* ccl_cl_tracer_number_counts_new	(	ccl_cosmology *	cosmo,
		int	has_rsd,
		int	has_magnification,
		int	nz_n,
		double *	z_n,
		double *	n,
		int	nz_b,
		double *	z_b,
		double *	b,
		int	nz_s,
		double *	z_s,
		double *	s,
		int *	status
	)

Simplified constructor for a clustering ClTracer.

Parameters

cosmo	Cosmological parameters
has_rsd	Set to 1 if you want to compute the RSD contribution to number counts (0 otherwise)
has_magnification	Set to 1 if you want to compute the magnification contribution to number counts (0 otherwise)
nz_n	Number of bins in z_n and n
z_n	Redshifts for each redshift interval of n
n	Number count of objects per redshift interval (Note: arbitrary normalization - renormalized inside)
nz_b	Number of bins in z_b and b
z_b	Redshifts for each redshift interval of b
b	Clustering bias in each redshift bin
nz_s	Number of bins in z_s and s
z_s	Redshifts for each redshift interval of s
s	Magnification bias in each redshift bin
status	Status flag. 0 if there are no errors, nonzero otherwise. For specific cases see documentation for ccl_error.c

Returns

CCL_ClTracer object

ccl_cl_tracer_number_counts_simple_new()

CCL_ClTracer* ccl_cl_tracer_number_counts_simple_new	(	ccl_cosmology *	cosmo,
		int	nz_n,
		double *	z_n,
		double *	n,
		int	nz_b,
		double *	z_b,
		double *	b,
		int *	status
	)

Simplified constructor for a ClTracer without magnification nor RSD.

Parameters

nz_n	Number of bins in z_n and n
z_n	Redshifts for each redshift interval of n
n	Number count of objects per redshift interval (Note: arbitrary normalization - renormalized inside)
nz_b	Number of bins in z_b and b
z_b	Redshifts for each redshift interval of b
b	Clustering bias in each redshift bin
status	Status flag. 0 if there are no errors, nonzero otherwise. For specific cases see documentation for ccl_error.c

Returns

CCL_ClTracer object