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Kahan summation algorithm
also called Compensated summation

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  1. significantly reduces the numerical error in the total obtained by adding a sequence of finite precision floating point numbers, compared to the obvious approach

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 15, 2009
  2. a term from numerical analysis

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 15, 2009
  3. Via careful testing and scrutiny of the code generated, it may be found that no rearrangement of the algorithm nor selection of compiler options delivers good results

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 15, 2009
  4. This algorithm is attributed to William Kahan

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 15, 2009
  5. In pseudocode, the algorithm is: function kahanSum(input, n) var sum = input[1] var c = 0.0 //A running compensation for lost low-order bits

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 15, 2009
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