Computes the Kahan compensated sum over a range.
Synopsis
Declared in <folly/math/KahanSummation.h>
template<std::ranges::input_range R>
requires std::floating_point<std::ranges::range_value_t<R>>
std::ranges::range_value_t<R>
kahan_sum(R&& range);
Return Value
The compensated sum of all elements in the range.
Template Parameters
Name |
Description |
R |
An input range whose value type is a floating‐point type. |
Parameters
Name |
Description |
range |
The range to sum. |
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