---
title: "ClikaRT::nn::GLU"
sidebar_label: "GLU"
description: "Gated linear unit: splits the input in half along dim and multiplies the first half by the sigmoid of the second; the size of dim must be even and the output halves it."
---

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**Header:** `ClikaRT/nn/generated/activation.h`  
**Inherits:** [`ClikaRT::nn::Module`](./Module.md)

Gated linear unit: splits the input in half along dim and multiplies the first half by the sigmoid of the second; the size of dim must be even and the output halves it. The module form of [`ClikaRT::ops::glu`](../ops/glu.md#glu), which documents the full contract (shapes, dtypes, errors); construct once, then call it like a function.

## Member functions

### GLU(GLUOptions) {#GLU}

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`explicit` **`GLU`**([`GLUOptions`](./GLUOptions.md) `options` `=` `{}`)

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Constructs the module from [`options`](./GLU.md#options) (every default when omitted).

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Declared in `ClikaRT/nn/generated/activation.h`, line 1179

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### GLU(int64\_t) {#GLU-2}

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`explicit` **`GLU`**(`std::int64_t` `dim`)

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`GLU(dim)`: the positional form of `GLUOptions(dim)`.

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Declared in `ClikaRT/nn/generated/activation.h`, line 1181

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### forward() {#forward}

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[`Tensor`](../Tensor.md) **`forward`**([`Tensor`](../Tensor.md) `input`) `const`

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[`forward_impl`](./GLU.md#forward), unwrapped: raises [`ClikaRT::Error`](../Error.md) on failure.

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Declared in `ClikaRT/nn/generated/activation.h`, line 1192

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### operator()() {#operator-call}

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[`Tensor`](../Tensor.md) **`operator()`**([`Tensor`](../Tensor.md) `input`) `const`

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Same as [`forward`](./GLU.md#forward).

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Declared in `ClikaRT/nn/generated/activation.h`, line 1196

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### options() {#options}

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`const` [`GLUOptions`](./GLUOptions.md)`&` **`options`**() `const`

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The settings this module was constructed with.

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Declared in `ClikaRT/nn/generated/activation.h`, line 1200

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