Changeset d37ba31 in sasview for sansmodels/src/sans

Timestamp:

Apr 29, 2009 8:59:39 AM (16 years ago)

Author:

Jae Cho <jhjcho@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

6dd2be3

Parents:

d5b488b

Message:

removed singular

File:

• sansmodels/src/sans/models/DebyeModel.py (modified) (1 diff)

sansmodels/src/sans/models/DebyeModel.py

@@ -64 +64 @@
         # an exception
         y = (x * self.params['rg'])**2.0
-        D = 2.0*( math.exp(-y) + y -1.0 )/y**2.0
-        return self.params['scale']* D + self.params['background']
+        if y == 0:
+            return 1e+16
+        else:
+            D = 2.0*( math.exp(-y) + y -1.0 )/y**2.0
+            return self.params['scale']* D + self.params['background']
    
     def run(self, x = 0.0):