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25 lines
621 B
25 lines
621 B
import math
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INF = float("inf")
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MINUS_INF = float("-inf")
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NaN = float("NaN")
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def floatToGoString(d):
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d = float(d)
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if d == INF:
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return '+Inf'
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elif d == MINUS_INF:
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return '-Inf'
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elif math.isnan(d):
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return 'NaN'
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else:
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s = repr(d)
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dot = s.find('.')
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# Go switches to exponents sooner than Python.
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# We only need to care about positive values for le/quantile.
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if d > 0 and dot > 6:
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mantissa = '{0}.{1}{2}'.format(s[0], s[1:dot], s[dot + 1:]).rstrip('0.')
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return '{0}e+0{1}'.format(mantissa, dot - 1)
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return s
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