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2 filters for kSZ #10

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f7394ba
2 filters for kSZ
olakusiak Nov 25, 2025
e5222e6
forgot this file
olakusiak Nov 25, 2025
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6 changes: 6 additions & 0 deletions class-sz/include/class_sz.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1594,6 +1594,10 @@ double szcounts_ntot;
double * f_unwise_filter;
int unwise_filter_size;

double * l_unwise_filter2;
double * f_unwise_filter2;
int unwise_filter2_size;

double * M_min_of_z_z;
double * M_min_of_z_M_min;
int M_min_of_z_size;
Expand Down Expand Up @@ -2497,6 +2501,8 @@ double get_tau_profile_at_z_m_l(double z,

double get_ksz_filter_at_l(double l,
struct class_sz_structure * pclass_sz);
double get_ksz_filter_at_l2(double l,
struct class_sz_structure * pclass_sz);

double get_M_min_of_z(double l,
struct class_sz_structure * pclass_sz);
Expand Down
1 change: 1 addition & 0 deletions class-sz/include/class_sz_precisions.h
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ class_sz_string_parameter(cib_Snu_file_nu,"/class_sz_auxiliary_files/includes/fi


class_sz_string_parameter(ksz_filter_file,"/class_sz_auxiliary_files/UNWISE_galaxy_distributions/unwise_filter_functions_l_fl.txt","ksz filter file")
class_sz_string_parameter(ksz_filter_file2,"/class_sz_auxiliary_files/UNWISE_galaxy_distributions/unwise_filter_functions_l_fl2.txt","ksz filter file2")
class_sz_string_parameter(ksz_template_file,"/class_sz_auxiliary_files/cl_ksz_bat.dat","ksz template file")
class_sz_string_parameter(ksz_reio_template_file,"/class_sz_auxiliary_files/FBN_kSZ_PS_patchy.d.txt","ksz template file, reio contribution")

Expand Down
1 change: 1 addition & 0 deletions class-sz/include/class_sz_tools.h
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Original file line number Diff line number Diff line change
Expand Up @@ -315,6 +315,7 @@ double delta_to_delta_prime_nfw(
int load_unbinned_nl_yy(struct class_sz_structure * pclass_sz);
int load_unbinned_nl_tt(struct class_sz_structure * pclass_sz);
int load_ksz_filter(struct class_sz_structure * pclass_sz);
int load_ksz_filter2(struct class_sz_structure * pclass_sz);
int load_M_min_of_z(struct class_sz_structure * pclass_sz);
double get_T10_alpha_at_z(double z_asked, struct class_sz_structure * pclass_sz);
double get_knl_at_z(double z_asked, struct class_sz_structure * pclass_sz);
Expand Down
53 changes: 38 additions & 15 deletions class-sz/source/class_sz.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1133,7 +1133,7 @@ if (pclass_sz->has_kSZ_kSZ_gal_1h
|| pclass_sz->has_kSZ_kSZ_gal_3h
|| pclass_sz->has_kSZ_kSZ_gal_hf)
load_ksz_filter(pclass_sz);

load_ksz_filter2(pclass_sz);

if (pclass_sz->has_tSZ_gal_1h
|| pclass_sz->has_tSZ_gal_2h
Expand Down Expand Up @@ -2194,6 +2194,7 @@ double cl_tt_lensed_fft[N];
double cl_ksz_fft[N];
double cl_noise_fft[N];
double Fl_bl;
double Fl_bl2;
double cl_ttf[N];
int i;
double * cl_tot;
Expand Down Expand Up @@ -2238,15 +2239,15 @@ cl_noise_fft[i] = pwl_value_1d(pclass_sz->unbinned_nl_tt_size,pclass_sz->unbinne
cl_ksz_fft[i] = cl_ksz_fft[i]/l[i]/(l[i]+1.)*2.*_PI_*1e-12/pba->T_cmb/pba->T_cmb;
cl_noise_fft[i] = cl_noise_fft[i]*1e-12/pba->T_cmb/pba->T_cmb;
Fl_bl = get_ksz_filter_at_l(l[i],pclass_sz);

Fl_bl2 = get_ksz_filter_at_l2(l[i],pclass_sz);

double result_ttf;
if (pclass_sz->compute_ksz2ksz2==1){
result_ttf = Fl_bl*Fl_bl*(cl_ksz_fft[i])*sqrt(2./(2.*_PI_)/(2.*_PI_)); // divide by 2pi^2 and multiply by 2 -- see formula
result_ttf = Fl_bl*Fl_bl2*(cl_ksz_fft[i])*sqrt(2./(2.*_PI_)/(2.*_PI_)); // divide by 2pi^2 and multiply by 2 -- see formula

}
else{
result_ttf = Fl_bl*Fl_bl*(cl_tt_lensed_fft[i]+cl_ksz_fft[i]+cl_noise_fft[i])*sqrt(2./(2.*_PI_)/(2.*_PI_)); // divide by 2pi^2 and multiply by 2 -- see formula
result_ttf = Fl_bl*Fl_bl2*(cl_tt_lensed_fft[i]+cl_ksz_fft[i]+cl_noise_fft[i])*sqrt(2./(2.*_PI_)/(2.*_PI_)); // divide by 2pi^2 and multiply by 2 -- see formula
}

if (l[i]<l_lensed[0]){
Expand Down Expand Up @@ -2514,7 +2515,7 @@ double l = pclass_sz->ell[i];

double flprime = get_ksz_filter_at_l(lprime,pclass_sz);
double abs_l_plus_lprime = sqrt(l*l+lprime*lprime+2.*l*lprime*cos(theta));
double fl_plus_lprime = get_ksz_filter_at_l(abs_l_plus_lprime,pclass_sz);
double fl_plus_lprime = get_ksz_filter_at_l2(abs_l_plus_lprime,pclass_sz);

double clprime_tt_unlensed = pwl_value_1d(ppt->l_scalar_max-2,l_unlensed,cl_tt_unlensed,lprime);
if (lprime<l_unlensed[0])
Expand Down Expand Up @@ -3284,6 +3285,8 @@ if(pclass_sz->has_kSZ_kSZ_gal_1h
// free(pclass_sz->theta_kSZ2_gal_theta_grid);
free(pclass_sz->l_unwise_filter);
free(pclass_sz->f_unwise_filter);
free(pclass_sz->l_unwise_filter2);
free(pclass_sz->f_unwise_filter2);
}
if(pclass_sz->has_kSZ_kSZ_gal_1h
|| pclass_sz->has_kSZ_kSZ_gal_2h
Expand Down Expand Up @@ -7959,6 +7962,7 @@ if ((int) pvectsz[pclass_sz->index_part_id_cov_hsv] == 6) {
double lnk[N],lnpk[N];
int ik;
double fl;
double fl2;
double taul;
double l;
double m = exp(logM);
Expand All @@ -7968,12 +7972,13 @@ if ((int) pvectsz[pclass_sz->index_part_id_cov_hsv] == 6) {
lnk[ik] = log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min));
l = k[ik];
fl = get_ksz_filter_at_l(l,pclass_sz);
fl2 = get_ksz_filter_at_l2(l,pclass_sz);

// pvectsz[pclass_sz->index_multipole_for_tau_profile] = l;
evaluate_tau_profile((l+0.5)/chi,pvecback,pvectsz,pba,pclass_sz);
taul = pvectsz[pclass_sz->index_tau_profile];
Pk[ik] = fl*taul;
Pko[ik] = fl*taul;
Pko[ik] = fl2*taul;
}

double r[N], xi[N];
Expand Down Expand Up @@ -8024,6 +8029,7 @@ if ((int) pvectsz[pclass_sz->index_part_id_cov_hsv] == 6) {
double lnk[N],lnpk[N];
int ik;
double fl;
double fl2;
double taul;
double l;
double m = exp(logM);
Expand All @@ -8033,12 +8039,13 @@ if ((int) pvectsz[pclass_sz->index_part_id_cov_hsv] == 6) {
lnk[ik] = log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min));
l = k[ik];
fl = get_ksz_filter_at_l(l,pclass_sz);
fl2 = get_ksz_filter_at_l2(l,pclass_sz);

// pvectsz[pclass_sz->index_multipole_for_tau_profile] = l;
evaluate_tau_profile((l+0.5)/chi,pvecback,pvectsz,pba,pclass_sz);
taul = pvectsz[pclass_sz->index_tau_profile];
Pk[ik] = fl*taul;
Pko[ik] = fl*taul;
Pko[ik] = fl2*taul;
}

double r[N], xi[N];
Expand Down Expand Up @@ -8088,6 +8095,7 @@ if ((int) pvectsz[pclass_sz->index_part_id_cov_hsv] == 6) {
double lnk[N],lnpk[N];
int ik;
double fl;
double fl2;
double taul;
double l;
double m = exp(logM);
Expand All @@ -8097,13 +8105,13 @@ if ((int) pvectsz[pclass_sz->index_part_id_cov_hsv] == 6) {
lnk[ik] = log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min));
l = k[ik];
fl = get_ksz_filter_at_l(l,pclass_sz);

fl2 = get_ksz_filter_at_l2(l,pclass_sz);
// pvectsz[pclass_sz->index_multipole_for_tau_profile] = l;
double kp = (l+0.5)/chi;
evaluate_galaxy_profile_2h(kp,m_delta_gal,r_delta_gal,c_delta_gal,pvecback,pvectsz,pba,pclass_sz);
taul = pvectsz[pclass_sz->index_galaxy_profile];
Pk[ik] = fl*taul;
Pko[ik] = fl*taul;
Pko[ik] = fl2*taul;
}

double r[N], xi[N];
Expand Down Expand Up @@ -8236,6 +8244,7 @@ double k[N], Pk[N],Pko[N];
double lnk[N],lnpk[N];
int ik;
double fl;
double fl2;
double taul;
double l;
// double m = exp(logM);
Expand All @@ -8245,12 +8254,12 @@ k[ik] = exp(log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min)));
lnk[ik] = log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min));
l = k[ik];
fl = get_ksz_filter_at_l(l,pclass_sz);

fl2 = get_ksz_filter_at_l2(l,pclass_sz);
// pvectsz[pclass_sz->index_multipole_for_tau_profile] = l;//pclass_sz->ell_kSZ2_gal_multipole_grid[index_l_2];
evaluate_tau_profile((l+0.5)/chi,pvecback,pvectsz,pba,pclass_sz);
taul = pvectsz[pclass_sz->index_tau_profile];//get_tau_profile_at_z_m_l(z,m,l,pclass_sz,pba);
Pk[ik] = fl*taul;
Pko[ik] = fl*taul;
Pko[ik] = fl2*taul;
// if(l>3e3)
// printf("k = %.5e pk = %.5e\n",l,Pk[ik]);
}
Expand Down Expand Up @@ -8335,6 +8344,7 @@ double k[N], Pk[N],Pko[N];
double lnk[N],lnpk[N];
int ik;
double fl;
double fl2;
double taul;
double l;
// double m = exp(logM);
Expand All @@ -8344,7 +8354,7 @@ k[ik] = exp(log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min)));
lnk[ik] = log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min));
l = k[ik];
fl = get_ksz_filter_at_l(l,pclass_sz);

fl2 = get_ksz_filter_at_l2(l,pclass_sz);
// pvectsz[pclass_sz->index_multipole_for_tau_profile] = l;//pclass_sz->ell_kSZ2_gal_multipole_grid[index_l_2];
// evaluate_tau_profile((l+0.5)/chi,pvecback,pvectsz,pba,pclass_sz);

Expand All @@ -8354,7 +8364,7 @@ fl = get_ksz_filter_at_l(l,pclass_sz);

taul = pvectsz[pclass_sz->index_galaxy_profile];//get_tau_profile_at_z_m_l(z,m,l,pclass_sz,pba);
Pk[ik] = fl*taul;
Pko[ik] = fl*taul;
Pko[ik] = fl2*taul;
// if(l>3e3)
// printf("k = %.5e pk = %.5e\n",l,Pk[ik]);
}
Expand Down Expand Up @@ -8439,6 +8449,7 @@ double k[N], Pk[N],Pko[N];
double lnk[N],lnpk[N];
int ik;
double fl;
double fl2;
double taul;
double l;
// double m = exp(logM);
Expand All @@ -8448,12 +8459,12 @@ k[ik] = exp(log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min)));
lnk[ik] = log(l_min)+ik/(N-1.)*(log(l_max)-log(l_min));
l = k[ik];
fl = get_ksz_filter_at_l(l,pclass_sz);

fl2 = get_ksz_filter_at_l2(l,pclass_sz);
// pvectsz[pclass_sz->index_multipole_for_tau_profile] = l;//pclass_sz->ell_kSZ2_gal_multipole_grid[index_l_2];
evaluate_tau_profile((l+0.5)/chi,pvecback,pvectsz,pba,pclass_sz);
taul = pvectsz[pclass_sz->index_tau_profile];//get_tau_profile_at_z_m_l(z,m,l,pclass_sz,pba);
Pk[ik] = fl*taul;
Pko[ik] = fl*taul;
Pko[ik] = fl2*taul;
// if(l>3e3)
// printf("k = %.5e pk = %.5e\n",l,Pk[ik]);
}
Expand Down Expand Up @@ -11075,6 +11086,18 @@ else
ell);
return fl;
}
double get_ksz_filter_at_l2(double ell,
struct class_sz_structure * pclass_sz){
double fl = 1.;
if (ell <= pclass_sz->l_unwise_filter2[0] || ell >= pclass_sz->l_unwise_filter2[pclass_sz->unwise_filter2_size-1])
fl = 0.;
else
fl = pwl_value_1d(pclass_sz->unwise_filter2_size,
pclass_sz->l_unwise_filter2,
pclass_sz->f_unwise_filter2,
ell);
return fl;
}

double get_M_min_of_z(double ell,
struct class_sz_structure * pclass_sz){
Expand Down
2 changes: 2 additions & 0 deletions class-sz/source/input.c
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Expand Up @@ -6557,6 +6557,8 @@ class_read_int("no_tt_noise_in_kSZ2X_cov",pclass_sz->no_tt_noise_in_kSZ2X_cov);
// class_read_string("sBBN_file",ppr->sBBN_file);
class_read_string("ksz_filter_file",pclass_sz->ksz_filter_file);
class_read_string("projected_field_filter_file",pclass_sz->ksz_filter_file);
class_read_string("ksz_filter_file2",pclass_sz->ksz_filter_file2);
class_read_string("projected_field_filter_file2",pclass_sz->ksz_filter_file2);
class_read_string("full_path_to_dndz_gal",pclass_sz->full_path_to_dndz_gal);
class_read_string("full_path_and_prefix_to_dndz_ngal",pclass_sz->full_path_and_prefix_to_dndz_ngal);
class_read_string("full_path_to_redshift_dependent_M_min",pclass_sz->full_path_to_redshift_dependent_M_min);
Expand Down
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