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# #!/usr/bin/python
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# Evaluates the digits to be used with the round function in order to have
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# the first two significant figures
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def sigRound(error):
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tempErr = error
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digits = 0
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if( int(tempErr) == 0 ):
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while (int(tempErr) == 0):
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tempErr = tempErr*10
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digits += 1
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else:
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digits = 1
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while (int(tempErr) != 0):
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tempErr = tempErr/10
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digits -= 1
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# Check for rounding
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if( int(round(error,digits)*10**(digits-1)) != 0 ):
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return digits
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return digits+1
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# Round the number to the two significant figures of the error
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##a = 0.1235131223183
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##aErr = 0.0012392882843
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##digits = sigRound(aErr)
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##print "digits =", digits
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##a = round(a,digits)
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##aErr = round(aErr,digits)
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##print a, "+-", aErr
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