Changeset dbfd307 in sasview for src/sas/sascalc/invariant/invariant.py

Timestamp:

Mar 5, 2019 4:21:09 PM (5 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, magnetic_scatt, release-4.2.2, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1249

Children:

7af652d

Parents:

4cbb2f5

Message:

use np ≥ 1.14.0 default for lstsq rcond, but compatible with np < 1.14.0

File:

• src/sas/sascalc/invariant/invariant.py (modified) (1 diff)

src/sas/sascalc/invariant/invariant.py

@@ -344 +344 @@
         else:
             A = np.vstack([linearized_data.x / linearized_data.dy, 1.0 / linearized_data.dy]).T
+            # CRUFT: numpy>=1.14.0 allows rcond=None for the following default
+            rcond = np.finfo(float).eps * max(A.shape)
             p, residuals, _, _ = np.linalg.lstsq(A, linearized_data.y / linearized_data.dy,
-                                                 rcond=None)
+                                                 rcond=rcond)
 
             # Get the covariance matrix, defined as inv_cov = a_transposed * a