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Old 2020-08-23, 18:11   #7
rogue
 
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"Mark"
Apr 2003
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I found a bug in xyyxsieve that causes it to remove + terms when p divides the - term. This means weeks of sieving is lost. Fortunately it only means that I need to retest any terms accidentally removed for x < 14000, but I still need to resieve just to find out what I didn't test that should have been tested. On the plus side this only impacts me as the build with this bug is not in the latest distribution of mtsieve.

The bug was introduced when I changed xyyxsieve to support only + or -, but not both concurrently as the older versions support that.
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