Changeset 5f65636 in sasview

Timestamp:

Feb 10, 2012 12:33:06 PM (12 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:

ccb7363

Parents:

664c5a7

Message:

fixed minor bug with zero dq

File:

• sansmodels/src/sans/models/qsmearing.py (modified) (2 diffs)

sansmodels/src/sans/models/qsmearing.py

@@ -500 +500 @@
     # Length of the width
     length = len(width)
-    width_low = math.fabs(width[0])
+    width_low = math.fabs(width[0])   
     width_high = math.fabs(width[length -1])
-    
+    nbins_low = 0.0 
+    nbins_high = 0.0
     # Compare width(dQ) to the data bin size and take smaller one as the bin 
     # size of the extrapolation; this will correct some weird behavior 
@@ -522 +523 @@
     # Number of q points required below the 1st data point in order to extend
     # them 3 times of the width (std)
-    nbins_low = math.ceil(3.0 * width_low / bin_size_low)
+    if width_low > 0.0:
+        nbins_low = math.ceil(3.0 * width_low / bin_size_low)
     # Number of q points required above the last data point
-    nbins_high = math.ceil(3.0 * width_high / (bin_size_high))
+    if width_high > 0.0:
+        nbins_high = math.ceil(3.0 * width_high / bin_size_high)
     # Make null q points        
     extra_low = numpy.zeros(nbins_low)