Changeset 2c74c11 in sasmodels for sasmodels/models/teubner_strey.py


Ignore:
Timestamp:
Jul 24, 2016 10:56:45 PM (8 years ago)
Author:
Paul Kienzle <pkienzle@…>
Branches:
master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
Children:
a4280bd
Parents:
f1765a2
Message:

implicit Iqxy; fix divide by 0 for q=0

File:
1 edited

Legend:

Unmodified
Added
Removed

  • sasmodels/models/teubner_strey.py

    rec45c4f r2c74c11  
    6868 
    6969 
    70 def form_volume(radius): 
    71     return 1.0 
    72  
    7370def Iq(q, a2, c1, c2): 
    7471    return 1. / np.polyval([c2, c1, a2], q**2) 
    7572Iq.vectorized = True  # Iq accepts an array of q values 
    7673 
    77 def Iqxy(qx, qy, a2, c1, c2): 
    78     return Iq(sqrt(qx**2 + qy**2), a2, c1, c2) 
    79 Iqxy.vectorized = True  # Iqxy accepts arrays of qx, qy values 
    80  
    81 # ER defaults to 0.0 
    82  
    83 # VR defaults to 1.0 
    84  
    8574demo = dict(scale=1, background=0, a2=0.1, c1=-30.0, c2=5000.0) 
    8675tests = [[{}, 0.2, 0.145927536232]] 
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