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[ascl:2306.051] Hitomi: Cosmological analysis of anisotropic galaxy distributions

Hitomi provides a comprehensive set of codes for cosmological analysis of anisotropic galaxy distributions using two- and three-point statistics: two-point correlation function (2PCF), power spectrum, three-point correlation function (3PCF), and bispectrum. The code can measure the Legendre-expanded 2PCF and power spectrum from an observed sample of galaxies, and can measure the 3PCF and bispectrum expanded using the Tripolar spherical harmonic (TripoSH) function. Hitomi is basically a serial code, but can also implement MPI parallelization. Hitomi uses MPI to read multiple different input parameters simultaneously.

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