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Expose A_s via the Python wrapper (cosmo.A_s) #14

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Merged
oliverphilcox merged 1 commit into from
Jul 27, 2026
Merged

Expose A_s via the Python wrapper (cosmo.A_s) #14

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4 changes: 4 additions & 0 deletions python/classy.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -261,6 +261,10 @@ cdef class Class:
"""Return the scalar tilt n_s (dimensionless) of the primordial scalar spectrum"""
return CallableFloat(self.pm.n_s)
@property
def A_s(self):
"""Return the scalar amplitude A_s (dimensionless) of the primordial scalar spectrum"""
return CallableFloat(self.pm.A_s)
@property
def sigma8(self):
"""Return sigma8 (dimensionless), the root mean square (rms) of the relative density fluctuation of
total matter in spheres of radius R= 8 h/Mpc at z=0.
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