mjo/cone: drop is_symmetric_p{s,}d() methods.

[sage.d.git] / mjo / cone / completely_positive.py

diff --git a/mjo/cone/completely_positive.py b/mjo/cone/completely_positive.py
index 8bb4b6236b74d31921cb7eb2bf09c598e014ca1c..3dc66b454dfb8a85a4aa2ba4a4be03978a5b3690 100644 (file)
--- a/mjo/cone/completely_positive.py
+++ b/mjo/cone/completely_positive.py
@@ -6,7 +6,7 @@ the set of all matrices `$A$`of the form `$\sum uu^{T}$` for `$u \in
 """
 
 from sage.all import *
-from mjo.cone.symmetric_psd import factor_psd, is_symmetric_psd
+from mjo.cone.symmetric_psd import factor_psd
 from mjo.cone.doubly_nonnegative import (is_doubly_nonnegative,
                                          is_extreme_doubly_nonnegative)
 
@@ -89,7 +89,7 @@ def is_completely_positive(A):
         msg = 'The matrix ``A`` cannot be symbolic.'
         raise ValueError.new(msg)
 
-    if not is_symmetric_psd(A):
+    if not A.is_positive_semidefinite():
         return False
 
     n = A.nrows() # Makes sense since ``A`` is symmetric.
@@ -176,7 +176,7 @@ def is_extreme_completely_positive(A):
         msg = 'The matrix ``A`` cannot be symbolic.'
         raise ValueError(msg)
 
-    if not is_symmetric_psd(A):
+    if not A.is_positive_semidefinite():
         return False
 
     n = A.nrows() # Makes sense since ``A`` is symmetric.