Fix the CMB lensing kernel to handle models with non-zero curvature. #1231
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vitenti
commented
Mar 5, 2025
| @@ -559,7 +559,10 @@ void ccl_get_kappa_kernel(ccl_cosmology *cosmo, double chi_source, | |||
| for (int ichi=0; ichi < nchi; ichi++) { | |||
| double chi = chi_arr[ichi]; | |||
| double a = ccl_scale_factor_of_chi(cosmo, chi, status); | |||
| wchi[ichi] = lens_prefac*(ccl_sinn(cosmo,chi_source-chi,status))*chi/a; | |||
| if (chi != 0.0) | |||
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@damonge This "if" is necessary to avoid 0/0 when chi == 0. If it is safe to assume that the chi_arr only contain 0.0 in its first element this can be simplified.
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