r21193 - /branches/relax_disp/lib/dispersion/cr72.py -- October 21, 2013 - 09:17

Author: bugman
Date: Mon Oct 21 09:17:47 2013
New Revision: 21193

URL: http://svn.gna.org/viewcvs/relax?rev=21193&view=rev
Log:
Fix for the lib.dispersion.cr72 module for early Python versions.

For Python 2.5 and earlier, the math.acosh() function does not exist.  
Therefore the numpy
equivalents are now being used.


Modified:
    branches/relax_disp/lib/dispersion/cr72.py

Modified: branches/relax_disp/lib/dispersion/cr72.py
URL: 
http://svn.gna.org/viewcvs/relax/branches/relax_disp/lib/dispersion/cr72.py?rev=21193&r1=21192&r2=21193&view=diff
==============================================================================
--- branches/relax_disp/lib/dispersion/cr72.py (original)
+++ branches/relax_disp/lib/dispersion/cr72.py Mon Oct 21 09:17:47 2013
@@ -57,7 +57,7 @@
 """
 
 # Python module imports.
-from math import acosh, cos, cosh, sqrt
+from numpy import arccosh, cos, cosh, sqrt
 
 
 def r2eff_CR72(r20a=None, r20b=None, pA=None, dw=None, kex=None, 
cpmg_frqs=None, back_calc=None, num_points=None):
@@ -133,4 +133,4 @@
             continue
 
         # The full formula.
-        back_calc[i] = r20_kex - cpmg_frqs[i] * acosh(part)
+        back_calc[i] = r20_kex - cpmg_frqs[i] * arccosh(part)