[yt-svn] commit/yt: chummels: Fixing bug with redshift calculation in LightRay analysis module. Forgot a 1!

[commits-noreply at bitbucket.org]

1 new commit in yt:

https://bitbucket.org/yt_analysis/yt/commits/3f2c5cceb57b/
Changeset:   3f2c5cceb57b
Branch:      yt
User:        chummels
Date:        2015-10-05 03:38:06+00:00
Summary:     Fixing bug with redshift calculation in LightRay analysis module.  Forgot a 1!
Affected #:  1 file

diff -r b7afd79a9820e8605a1e73c5d3d7a077cae7fe96 -r 3f2c5cceb57bcc022dd7a8363c793c09bf89f24d yt/analysis_modules/cosmological_observation/light_ray/light_ray.py
--- a/yt/analysis_modules/cosmological_observation/light_ray/light_ray.py
+++ b/yt/analysis_modules/cosmological_observation/light_ray/light_ray.py
@@ -476,8 +476,8 @@
                                   sub_data['velocity_los']
                 redshift_dopp = ((1 + velocity_los_cm / speed_of_light_cgs) /
                                 (1 - velocity_los_cm / speed_of_light_cgs))**(0.5) - 1
-                sub_data['redshift_eff'] = (1 + redshift_dopp) * \
-                                           (1 + sub_data['redshift'])
+                sub_data['redshift_eff'] = ((1 + redshift_dopp) * \
+                                           (1 + sub_data['redshift'])) - 1
                 del velocity_los_cm, redshift_dopp
 
             # Remove empty lixels.

Repository URL: https://bitbucket.org/yt_analysis/yt/

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