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object --+ | Fsum
Precision floating point summation similar to standard Python function math.fsum.
Unlike math.fsum, this class accumulates the values incrementally and provides intermediate, precision, running sums. Accumulation may continue after intermediate summations.
Note: Exception and non-finite handling differ from math.fsum.
See Also: Hettinger, Kahan, Klein, Python 2.6+ file Modules/mathmodule.c and the issue log Full precision summation.
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Method Details |
Initialize a new accumulator with one or more start values.
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Accumulate more values from positional arguments.
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Multiple the current, partial sum by a factor.
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Accumulated more values from positional arguments and sum all.
Note: Accumulation can continue after summation. |
Accumulated more values from the iterable and sum all.
Note: Accumulation can continue after summation. |
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