Clean up and document some of the new test code.

[dunshire.git] / dunshire / matrices.py

diff --git a/dunshire/matrices.py b/dunshire/matrices.py
index bcf83778d62752436f7894b5a6fbad4cc3e1012e..29c5867aabe544f768a1b1ce3862f14c0a316712 100644 (file)
--- a/dunshire/matrices.py
+++ b/dunshire/matrices.py
@@ -3,6 +3,7 @@ Utility functions for working with CVXOPT matrices (instances of the
 class:`cvxopt.base.matrix` class).
 """
 
 class:`cvxopt.base.matrix` class).
 """
 

+from copy import copy

 from math import sqrt
 from cvxopt import matrix
 from cvxopt.lapack import gees, gesdd, syevr
 from math import sqrt
 from cvxopt import matrix
 from cvxopt.lapack import gees, gesdd, syevr


@@ -142,7 +143,7 @@ def eigenvalues(symmat):
     eigs = matrix(0, (domain_dim, 1), tc='d')
 
     # Create a copy of ``symmat`` here because ``syevr`` clobbers it.
     eigs = matrix(0, (domain_dim, 1), tc='d')
 
     # Create a copy of ``symmat`` here because ``syevr`` clobbers it.

-    dummy = matrix(symmat, symmat.size)
+    dummy = copy(symmat)

     syevr(dummy, eigs)
     return list(eigs)
 
     syevr(dummy, eigs)
     return list(eigs)