---
title: "ClikaRT::nn::HardshrinkOptions"
sidebar_label: "HardshrinkOptions"
description: "Settings of Hardshrink: chain the setters, or assign the fields."
---

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<span class="api-kind api-kind--struct">struct</span>

**Header:** `ClikaRT/nn/generated/activation.h`

Settings of [`Hardshrink`](./Hardshrink.md): chain the setters, or assign the fields.

## Member functions

### HardshrinkOptions() {#HardshrinkOptions}

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**`HardshrinkOptions`**() `=default`

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Declared in `ClikaRT/nn/generated/activation.h`, line 828

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### HardshrinkOptions(double) {#HardshrinkOptions-2}

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**`HardshrinkOptions`**(`double` `lambd`)

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`HardshrinkOptions(lambd)`: implicit, so `Hardshrink(lambd)` reads like the function call.

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Declared in `ClikaRT/nn/generated/activation.h`, line 831

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### lambd(double) {#lambd}

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[`HardshrinkOptions`](./HardshrinkOptions.md)`&` **`lambd`**(`double` `v`)

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Sets [`lambd`](./HardshrinkOptions.md#lambd), the shrink threshold.

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Declared in `ClikaRT/nn/generated/activation.h`, line 834

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### lambd() {#lambd-2}

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`double` **`lambd`**() `const`

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Reads [`lambd`](./HardshrinkOptions.md#lambd).

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Declared in `ClikaRT/nn/generated/activation.h`, line 836

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## Data members

### lambd\_ {#lambd_}

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`double` **`lambd_`** `= 0.5`

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The shrink threshold. Default `0.5`.

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Declared in `ClikaRT/nn/generated/activation.h`, line 838

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