From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 22 Nov 2020 15:22:47 +0000 (-0500)
Subject: eja: fix random_instance() for JordanSpinEJA.
X-Git-Url: http://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=70a8227fc27d6de57cdabfb7fd1f1a7c00a74132;hp=3f8818f3eca0b2ea388130ff805875012cf902cb;p=sage.d.git

eja: fix random_instance() for JordanSpinEJA.
---

diff --git a/mjo/eja/eja_algebra.py b/mjo/eja/eja_algebra.py
index 8ca501d..4cbc88e 100644
--- a/mjo/eja/eja_algebra.py
+++ b/mjo/eja/eja_algebra.py
@@ -2292,6 +2292,16 @@ class JordanSpinEJA(BilinearFormEJA):
         B = matrix.identity(field, n)
         super(JordanSpinEJA, self).__init__(B, field, **kwargs)
 
+    @classmethod
+    def random_instance(cls, field=AA, **kwargs):
+        """
+        Return a random instance of this type of algebra.
+
+        Needed here to override the implementation for ``BilinearFormEJA``.
+        """
+        n = ZZ.random_element(cls._max_random_instance_size() + 1)
+        return cls(n, field, **kwargs)
+
 
 class TrivialEJA(FiniteDimensionalEuclideanJordanAlgebra):
     """