ccl_test_distances_cosmomad_lowz.c File Reference

#include "ccl.h"
#include "ctest.h"
#include <stdio.h>
#include <math.h>

Include dependency graph for ccl_test_distances_cosmomad_lowz.c:

Go to the source code of this file.

Classes
struct	distances_cosmomad_lowz_data

Macros
#define	DISTANCES_TOLERANCE   5.0e-7
#define	DM_TOLERANCE   1.0E-3

Functions
static void	read_chi_test_file (double z[6], double chi[5][6])
static void	read_dm_test_file (double z[6], double dm[5][6])
void	__attribute__ ((weak))
static void	compare_distances (int model, struct distances_cosmomad_lowz_data *data)
void	__ctest_distances_cosmomad_lowz_model_1_run (struct distances_cosmomad_lowz_data *data)
void	__ctest_distances_cosmomad_lowz_model_2_run (struct distances_cosmomad_lowz_data *data)
void	__ctest_distances_cosmomad_lowz_model_3_run (struct distances_cosmomad_lowz_data *data)
void	__ctest_distances_cosmomad_lowz_model_4_run (struct distances_cosmomad_lowz_data *data)
void	__ctest_distances_cosmomad_lowz_model_5_run (struct distances_cosmomad_lowz_data *data)

Variables
static struct distances_cosmomad_lowz_data	__ctest_distances_cosmomad_lowz_data

Macro Definition Documentation

#define DISTANCES_TOLERANCE   5.0e-7

Definition at line 7 of file ccl_test_distances_cosmomad_lowz.c.

Referenced by compare_distances().

#define DM_TOLERANCE   1.0E-3

Definition at line 8 of file ccl_test_distances_cosmomad_lowz.c.

Referenced by compare_distances().

Function Documentation

void __attribute__

(

(weak)

)

Definition at line 73 of file ccl_test_distances_cosmomad_lowz.c.

References ccl_mnu_sum, read_chi_test_file(), and read_dm_test_file().

                                     {
  // Values that are the same for all 5 models
  data->Omega_c = 0.25;
  data->Omega_b = 0.05;
  data->h = 0.7;
  data->A_s = 2.1e-9;
  data->n_s = 0.96;
  data->Neff=0;
  double mnuval = 0.;
  data->mnu= &mnuval;
  data->mnu_type = ccl_mnu_sum;
  

  // Values that are different for the different models
  double Omega_v[5] = {  0.7,  0.7,  0.7,  0.65, 0.75 };
  double w_0[5]     = { -1.0, -0.9, -0.9, -0.9, -0.9  };
  double w_a[5]     = {  0.0,  0.0,  0.1,  0.1,  0.1  };

  // Fill in the values from these constant arrays.
  for (int i=0; i<5; i++) {
    data->Omega_v[i] = Omega_v[i];
    data->w_0[i]     = w_0[i];
    data->w_a[i]     = w_a[i];
    data->Omega_k[i] = 1.0 - data->Omega_c - data->Omega_b - data->Omega_v[i];
  }

  // The file of benchmark data.
  read_dm_test_file(data->z, data->dm);
  read_chi_test_file(data->z, data->chi);
}

void __ctest_distances_cosmomad_lowz_model_1_run

(

struct distances_cosmomad_lowz_data *

data

)

Definition at line 143 of file ccl_test_distances_cosmomad_lowz.c.

References compare_distances().

                                         {
  int model = 0;
  compare_distances(model, data);
}

void __ctest_distances_cosmomad_lowz_model_2_run

(

struct distances_cosmomad_lowz_data *

data

)

Definition at line 148 of file ccl_test_distances_cosmomad_lowz.c.

References compare_distances().

                                         {
  int model = 1;
  compare_distances(model, data);
}

void __ctest_distances_cosmomad_lowz_model_3_run

(

struct distances_cosmomad_lowz_data *

data

)

Definition at line 153 of file ccl_test_distances_cosmomad_lowz.c.

References compare_distances().

                                         {
  int model = 2;
  compare_distances(model, data);
}

void __ctest_distances_cosmomad_lowz_model_4_run

(

struct distances_cosmomad_lowz_data *

data

)

Definition at line 158 of file ccl_test_distances_cosmomad_lowz.c.

References compare_distances().

                                         {
  int model = 3;
  compare_distances(model, data);
}

void __ctest_distances_cosmomad_lowz_model_5_run

(

struct distances_cosmomad_lowz_data *

data

)

Definition at line 163 of file ccl_test_distances_cosmomad_lowz.c.

References compare_distances().

                                         {
  int model = 4;
  compare_distances(model, data);
}

static void compare_distances ( int  model, struct distances_cosmomad_lowz_data *  data  )

static

Definition at line 104 of file ccl_test_distances_cosmomad_lowz.c.

References distances_cosmomad_lowz_data::A_s, ASSERT_DBL_NEAR_TOL, ASSERT_NOT_NULL, ccl_comoving_radial_distance(), ccl_cosmology_create(), ccl_cosmology_free(), ccl_distance_modulus(), ccl_parameters_create(), distances_cosmomad_lowz_data::chi, cl_cmbl_bm::cosmo, default_config, DISTANCES_TOLERANCE, distances_cosmomad_lowz_data::dm, DM_TOLERANCE, distances_cosmomad_lowz_data::h, distances_cosmomad_lowz_data::mnu, distances_cosmomad_lowz_data::mnu_type, distances_cosmomad_lowz_data::n_s, distances_cosmomad_lowz_data::Neff, distances_cosmomad_lowz_data::Omega_b, distances_cosmomad_lowz_data::Omega_c, ccl_parameters::Omega_g, distances_cosmomad_lowz_data::Omega_k, ccl_parameters::Omega_k, ccl_parameters::Omega_l, ccl_parameters::Omega_m, halomod_bm::params, ccl_cosmology::status_message, distances_cosmomad_lowz_data::w_0, distances_cosmomad_lowz_data::w_a, and distances_cosmomad_lowz_data::z.

Referenced by __ctest_distances_cosmomad_lowz_model_1_run(), __ctest_distances_cosmomad_lowz_model_2_run(), __ctest_distances_cosmomad_lowz_model_3_run(), __ctest_distances_cosmomad_lowz_model_4_run(), and __ctest_distances_cosmomad_lowz_model_5_run().

{
  int status=0;
  // Make the parameter set from the input data
  // Values of some parameters depend on the model index
  ccl_parameters params = ccl_parameters_create(data->Omega_c, data->Omega_b, data->Omega_k[model],
                        data->Neff, data->mnu, data->mnu_type,
                        data->w_0[model], data->w_a[model],
                        data->h, data->A_s, data->n_s,-1,-1,-1,-1,NULL,NULL, &status);
  
  params.Omega_g=0; //enforce no radiation
  params.Omega_l = 1.-params.Omega_m-params.Omega_k; //reomcpute Omega_l without radiation
  
  // Make a cosmology object from the parameters with the default configuration
  ccl_cosmology * cosmo = ccl_cosmology_create(params, default_config);
  ASSERT_NOT_NULL(cosmo);
  
  // Compare to benchmark data
  for (int j=0; j<6; j++) {
    double a = 1/(1.+data->z[j]);
    double chi_ij=ccl_comoving_radial_distance(cosmo,a, &status)*data->h;
    if (status) printf("%s\n",cosmo->status_message);
    double absolute_tolerance = DISTANCES_TOLERANCE*data->chi[model][j];
    if (fabs(absolute_tolerance)<1e-12) absolute_tolerance = 1e-12;
    ASSERT_DBL_NEAR_TOL(data->chi[model][j], chi_ij, absolute_tolerance);

    if(a!=1) {  //skip this test for a=1 since it will raise an error
        double dm_ij=ccl_distance_modulus(cosmo,a, &status);
        if (status) printf("%s\n",cosmo->status_message);
        //NOTE tolerances are different!
        absolute_tolerance = DM_TOLERANCE*data->dm[model][j];
        if (fabs(absolute_tolerance)<1e-4) absolute_tolerance = 1e-4;
        ASSERT_DBL_NEAR_TOL(data->dm[model][j], dm_ij, absolute_tolerance);
    }
  }
  
  ccl_cosmology_free(cosmo);
}

static void read_chi_test_file ( double  z[6], double  chi[5][6]  )

static

Definition at line 31 of file ccl_test_distances_cosmomad_lowz.c.

References ASSERT_EQUAL, ASSERT_NOT_NULL, and Catch::Matchers::Vector::Detail::count().

Referenced by __attribute__().

{
  //Distances are in Mpc/h
  FILE * f = fopen("./tests/benchmark/chi_model1-5.txt", "r");
  ASSERT_NOT_NULL(f);
  
  // Ignore header line
  char str[1024];
  fgets(str, 1024, f);
  
  // File is fixed format - five rows and six columns
  for (int i=0; i<6; i++) {
    int count = fscanf(f, "%le %le %le %le %le %le\n", &z[i],
               &chi[0][i], &chi[1][i], &chi[2][i], &chi[3][i], &chi[4][i]);
    // Check that all the stuff in the benchmark is there
    ASSERT_EQUAL(6, count);
  }
  fclose(f);
}

static void read_dm_test_file ( double  z[6], double  dm[5][6]  )

static

Definition at line 51 of file ccl_test_distances_cosmomad_lowz.c.

References ASSERT_EQUAL, ASSERT_NOT_NULL, and Catch::Matchers::Vector::Detail::count().

Referenced by __attribute__().

{
  //Distances are in Mpc/h
  FILE * f = fopen("./tests/benchmark/dm_model1-5.txt", "r");
  ASSERT_NOT_NULL(f);

  // Ignore header line
  char str[1024];
  fgets(str, 1024, f);

  // File is fixed format - five rows and six columns
  for (int i=0; i<6; i++) {
    int count = fscanf(f, "%le %le %le %le %le %le\n", &z[i],
                       &dm[0][i], &dm[1][i], &dm[2][i], &dm[3][i], &dm[4][i]);
    // Check that all the stuff in the benchmark is there
    ASSERT_EQUAL(6, count);
  }
  fclose(f);
}

Variable Documentation

static struct distances_cosmomad_lowz_data __ctest_distances_cosmomad_lowz_data

static

Definition at line 143 of file ccl_test_distances_cosmomad_lowz.c.