# Changelog

The code GRAY is maintained under Git revision control in a local repository at
ISTP-CNR. The changes in input/output variables and parameters names are listed
in [@tbl:name-changes], below.


---------------------------------------------------------------------------------------------------
Unit    Rev. 4      Rev. 19      Rev. 24+     Rev. 60      Notes
------- ----------- ------------ ------------ ------------ ----------------------------------------
2,78    `alfac`                  `alpha0`

2,78    `betac`                  `beta0`

2,78    `nray`                   `nrayr`

2,78    `ktx`                    `nrayth`

2,78    `rmx`                    `rwmax`

2,78    `x00`                    `x0`

2,78    `y00`                    `y0`

2,78    `z00`                    `z0`

2,78    `w0xt`                   `w0xi`

2,78    `w0yt`                   `w0eta`

2,78    `pw0xt`                  `d0xi`

2,78    `pw0yt`                  `d0eta`

2,78    `awr`                    `phiw`

2,78    `psipola`                `psipol0`

2,78    `chipola`                `chipol0`

7       `-`         `ratjbmx`                              Column header missing until rev. 24.

7       `-`                                   `ratjamx`

7       `-`                                   `Jphip`

7       `-`                                   `dPdVp`

7       `polpsi`                 `psipol`

7       `polchi`                 `chipol`

48      `Jcda `     `Jcdb`                                 `Jcda`: ASTRA, CRONOS,...,
                                                           `Jcdb`: JINTRAC def. See [@eq:jcd].
---------------------------------------------------------------------------------------------------

Table: Changes in variables names/definitions {#tbl:name-changes}