bug fix for windows compatability on solver.

2026-07-16 11:21:38 +08:00 · 2014-03-02 09:51:04 -08:00
parent eb91dd0026
commit 27ae74d34a
1 changed files with 1 additions and 1 deletions
@@ -61,7 +61,7 @@ class Solver(object):
            warnings.warn("You should provide a preconditioner, M.", UserWarning)
            return
        M = options['M']
-        if type(M) is sp.linalg.LinearOperator:
+        if isinstance(M, sp.linalg.LinearOperator):
            return
        PreconditionerList = ['J','GS']
        if type(M) is str: