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Struct accurate::OnlineExactSum [−] [src]

pub struct OnlineExactSum<F> {
    // some fields omitted
}

Calculates a sum using separate accumulators for each possible exponent

Examples

use accurate::*;

let s = OnlineExactSum::default() + 1.0 + 2.0 + 3.0;
assert_eq!(6.0f64, s.sum());

References

Based on Zhu and Hayes 10

Trait Implementations

impl<F: Clone> Clone for OnlineExactSum<F>
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fn clone(&self) -> OnlineExactSum<F>

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)
1.0.0

Performs copy-assignment from source. Read more

impl<F> SumAccumulator<F> for OnlineExactSum<F> where F: Float + Ieee754Ext, F::Significand: PrimInt, F::RawExponent: PrimInt
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fn sum(&self) -> F

The sum of all terms accumulated so far

fn absorb<I>(self, it: I) -> Self where I: IntoIterator<Item=F>

Absorb the items of an iterator into the accumulator Read more

impl<F> Add<F> for OnlineExactSum<F> where F: Float + Ieee754Ext, F::RawExponent: PrimInt
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type Output = Self

The resulting type after applying the + operator

fn add(self, rhs: F) -> Self::Output

The method for the + operator

impl<F> From<F> for OnlineExactSum<F> where F: Float + Ieee754Ext, F::Significand: PrimInt, F::RawExponent: PrimInt
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fn from(x: F) -> Self

Performs the conversion.

impl<F> Default for OnlineExactSum<F> where F: Float + Ieee754Ext
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fn default() -> Self

Returns the "default value" for a type. Read more