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## robust-sumpublic

# robust-sum

Computes the sum of two increasing non-overlapping sequences of floats as an increasing non-overlapping sequence. This can be used to perform exact arithmetic calculations on floating point values.

For more information, see:

- Jonathan Richard Shewchuk, "Adaptive precision floating-point arithmetic and fast robust geometric predicates". 1997

## Install

```
npm install robust-sum
```

## Example

`var robustSum = var seq = console`

## API

`require("robust-sum")(a, b)`

Computes the sum of two non-overlapping increasing sequences of floats exactly as a non-overlapping increasing sequence of floats.

`a`

is a non-overlapping sequence of floats that is increasing in magnitude`b`

is a non-overlapping sequence of floats that is increasing magnitude

**Returns** A non-overlapping increasing sequence that encodes the result of `a+b`

## Credits

Based on JRS' robust geometric predicates for floating point arithmetic.

Implementation (c) 2013 Mikola Lysenko. MIT License