Changeset 57a91fc in sasview for src/sas

Timestamp:

Nov 20, 2018 6:20:53 AM (6 years ago)

Author:

Piotr Rozyczko <piotr.rozyczko@…>

Branches:

ESS_GUI, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc

Children:

c30822c

Parents:

be7c981

Message:

cherrypicked changes from master to sascalc (except PR#190)

Location:

src/sas/sascalc/pr

Files:

• fit/BumpsFitting.py (modified) (2 diffs)
• fit/Loader.py (modified) (1 diff)
• invertor.py (modified) (5 diffs)
• num_term.py (modified) (3 diffs)

src/sas/sascalc/pr/fit/BumpsFitting.py

@@ -2 +2 @@
 BumpsFitting module runs the bumps optimizer.
 """
+from __future__ import division
+
 import os
 from datetime import timedelta, datetime
@@ -34 +36 @@
 class Progress(object):
     def __init__(self, history, max_step, pars, dof):
-        remaining_time = int(history.time[0]*(float(max_step)/history.step[0]-1))
+        remaining_time = int(history.time[0]*(max_step/history.step[0]-1))
         # Depending on the time remaining, either display the expected
         # time of completion, or the amount of time remaining.  Use precision

src/sas/sascalc/pr/fit/Loader.py

@@ +1 @@
+"""
+class Loader  to load any kind of file
+"""
+
 from __future__ import print_function
 
-# class Loader  to load any king of file
-#import wx
-#import string
 import numpy as np
 

src/sas/sascalc/pr/invertor.py

@@ -6 +6 @@
 FIXME: The way the Invertor interacts with its C component should be cleaned up
 """
+from __future__ import division
 
 import numpy as np
@@ -423 +424 @@
             A[i][j] = (Fourier transformed base function for point j)
 
-        We them choose a number of r-points, n_r, to evaluate the second
+        We then choose a number of r-points, n_r, to evaluate the second
         derivative of P(r) at. This is used as our regularization term.
         For a vector r of length n_r, the following n_r rows are set to ::
@@ -480 +481 @@
 
         # Perform the inversion (least square fit)
-        c, chi2, _, _ = lstsq(a, b)
+        c, chi2, _, _ = lstsq(a, b, rcond=-1)
         # Sanity check
         try:
@@ -503 +504 @@
         try:
             cov = np.linalg.pinv(inv_cov)
-            err = math.fabs(chi2 / float(npts - nfunc)) * cov
-        except:
+            err = math.fabs(chi2 / (npts - nfunc)) * cov
+        except Exception as exc:
             # We were not able to estimate the errors
             # Return an empty error matrix
@@ -548 +549 @@
         try:
             return estimator.num_terms(isquit_func)
-        except:
+        except Exception as exc:
             # If we fail, estimate alpha and return the default
             # number of terms

src/sas/sascalc/pr/num_term.py

@@ -1 @@
-from __future__ import print_function
+from __future__ import print_function, division
 
 import math
@@ -51 +51 @@
         osc = self.sort_osc()
         dv = len(osc)
-        med = float(dv) / 2.0
+        med = 0.5*dv
         odd = self.is_odd(dv)
         medi = 0
@@ -140 +140 @@
             nts = self.compare_err()
             div = len(nts)
-            tem = float(div) / 2.0
+            tem = 0.5*div
             if self.is_odd(div):
                 nt = nts[int(tem)]