---
title: "ClikaRT::nn::Hardswish"
sidebar_label: "Hardswish"
description: "Piecewise-linear swish approximation: input * clamp(input / 6 + 1 / 2, 0, 1)."
---

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

Piecewise-linear swish approximation: input \* clamp(input / 6 + 1 / 2, 0, 1). The module form of [`ClikaRT::ops::hardswish`](../ops/hardswish.md#hardswish), which documents the full contract (shapes, dtypes, errors); construct once, then call it like a function.

## Member functions

### Hardswish() {#Hardswish}

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`explicit` **`Hardswish`**([`HardswishOptions`](./HardswishOptions.md) `options` `=` `{}`)

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

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Declared in `ClikaRT/nn/generated/activation.h`, line 713

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

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Declared in `ClikaRT/nn/generated/activation.h`, line 729

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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`](./Hardswish.md#forward).

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Declared in `ClikaRT/nn/generated/activation.h`, line 733

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### options() {#options}

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`const` [`HardswishOptions`](./HardswishOptions.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 737

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