hmcode_eta
================================================

Compute eta parameter for HMCode based on concentration amplitude A

+-------------+------------------------------------+
| File        | structure/hmcode_eta/hmcode_eta.py |
+-------------+------------------------------------+
| Attribution | CosmoSIS Team                      |
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| URL         |                                    |
+-------------+------------------------------------+

This module computes the eta parameter for the HMCode halo model
based on the concentration amplitude parameter A. The relation
eta = 0.98 - 0.12 * A is an empirical fit used in HMCode.

This parameter affects the transition between linear and nonlinear
scales in the halo model calculation.


Assumptions
-----------

 - Empirical relation between eta and concentration amplitude A



Setup Parameters
----------------

None


Input values
----------------

.. list-table::
   :header-rows: 1

   * - Section
     - Name
     - Type
     - Default
     - Description

   * - halo_model_parameters
     - A
     - real
     - 
     - Concentration amplitude parameter


Output values
----------------


.. list-table:: Output values
   :header-rows: 1

   * - Section
     - Name
     - Type
     - Description

   * - halo_model_parameters
     - eta
     - real
     - Computed eta parameter for HMCode