From 7e5faa0a9b0cd24c032310133cf54d2dabd6ff1f Mon Sep 17 00:00:00 2001
From: Stephan Seitz <stephan.seitz@fau.de>
Date: Thu, 21 Nov 2019 12:38:31 +0100
Subject: [PATCH] Avoid `hash()` in Field.hashable_contents
hash should not be used in hashable_contents because even if we will use
a deterministic hash function we will end up non-deterministic since
hash is initialized with a random seed.
---
pystencils/field.py | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/pystencils/field.py b/pystencils/field.py
index 0c196f4ba..1f09ba4e1 100644
--- a/pystencils/field.py
+++ b/pystencils/field.py
@@ -529,8 +529,13 @@ class Field(AbstractField):
return Field.Access(self, center)(*args, **kwargs)
def hashable_contents(self):
- dth = hash(self._dtype)
- return self._layout, self.shape, self.strides, dth, self.field_type, self._field_name, self.latex_name
+ return (self._layout,
+ self.shape,
+ self.strides,
+ self.field_type,
+ self._field_name,
+ self.latex_name,
+ self._dtype)
def __hash__(self):
return hash(self.hashable_contents())
--
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