# DifferentialInterpolator

Artifact: [androidx.constraintlayout:constraintlayout-core](https://developer.android.com/jetpack/androidx/releases/constraintlayout) [View Source](https://cs.android.com/search?q=file:androidx/constraintlayout/core/motion/utils/DifferentialInterpolator.java+class:androidx.constraintlayout.core.motion.utils.DifferentialInterpolator) Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

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```
interface DifferentialInterpolator
```

<br />

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## Summary

| ### Public functions |
|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/motion/utils/DifferentialInterpolator#getInterpolation(float)(v: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` |
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/motion/utils/DifferentialInterpolator#getVelocity()()` |

## Public functions

### getInterpolation

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
fun getInterpolation(v: Float): Float
```

### getVelocity

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
fun getVelocity(): Float
```