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fix division by zero in some cases

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Nikolay Khabarov
2017-06-24 17:56:17 +03:00
parent 8c42491aad
commit ca174344a6
1 changed files with 5 additions and 2 deletions
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7
cnc/gmachine.py
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@@ -132,8 +132,11 @@ class GMachine(object):
eb = db
eq = 5 # mark as non-existing to check all
else:
b = (db - rb) / (da - ra)
ea = math.copysign(math.sqrt(r * r / (1.0 + abs(b))), da - ra)
if da - ra == 0:
ea = 0
else:
b = (db - rb) / (da - ra)
ea = math.copysign(math.sqrt(r * r / (1.0 + abs(b))), da - ra)
eb = math.copysign(math.sqrt(r * r - ea * ea), db - rb)
eq = self.__quarter(ea, eb)
ea += ra