---
title: "LargestRemainder – API-Referenz · Quittio"
description: "Distributes an amount over weights so that the rounded parts add up exactly (largest remainder method)."
canonical_url: "https://quittio.dev/docs/api/Quittio/Core/Calculation/LargestRemainder"
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meta:
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  "og:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
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  "twitter:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Core](https://quittio.dev/docs/api/Quittio/Core) \\ [Calculation](https://quittio.dev/docs/api/Quittio/Core/Calculation)

# LargestRemainder

final class in quittio/core

`Quittio\Core\Calculation\LargestRemainder` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/core/src/Calculation/LargestRemainder.php#L18)

Distributes an amount over weights so that the rounded parts add up exactly (largest remainder method).

Weights are signed: each part is total × weight / Σ weights, so a negative weight (e.g. a VAT group that only contains returns) receives a part with the opposite sign.

## Methods \#

| Method | Description |
| --- | --- |
| `::distribute()` | |

### `distribute()`#

```
public static function distribute(
    BigDecimal $total,
    array<array-key, BigDecimal> $weights,
    int<0, max> $scale = 2,
): array<array-key, BigDecimal>
```

static

| Parameter | Type | Description |
| --- | --- | --- |
| `$total` | `Brick\Math\BigDecimal` | |
| `$weights` | `array<array-key, Brick\Math\BigDecimal>` | |
| `$scale` | `int<0, max>` = `2` | |

<dl><dt>Returns</dt>
<dd><code>array&lt;array-key, Brick\Math\BigDecimal&gt;</code> – parts with $scale decimals, same keys as $weights</dd>
<dt>Throws</dt>
<dd><code><a href="https://quittio.dev/docs/api/Quittio/Core/Calculation/CalculationException">CalculationException</a></code> – if the weights are not all zero but add up to zero</dd></dl>

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