MutableBuffer

interface MutableBuffer<T> : Buffer<T> (source)

A generic mutable random-access structure for both primitives and objects.

Parameters

T

the type of elements contained in the buffer.

Inheritors

Types

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object Companion

Functions

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Creates an iterable that returns all elements from this Buffer.

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Creates an n × 1 VirtualMatrix, where n is the size of the given buffer.

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fun <T> Buffer<T>.asND(): Structure1D<T>

Represent this buffer as 1D structure

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Convert this buffer to read-only buffer.

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Creates a sequence that returns all elements from this Buffer.

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inline fun <T1, T2, R> Buffer<T1>.combineToBuffer(other: Buffer<T2>, bufferFactory: BufferFactory<R>, crossinline transform: (T1, T2) -> R): Buffer<R>

Zip two buffers using given transform.

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abstract fun copy(): MutableBuffer<T>

Returns a shallow copy of the buffer.

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fun <T> Buffer<T>.cumulativeSum(ring: Ring<T>): Buffer<T>
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operator fun Point<Double>.div(value: Double): DoubleBuffer

open operator fun Buffer<Double>.div(arg: Buffer<Double>): Buffer<Double>

Division of two elements.

open operator fun Buffer<Double>.div(k: Number): Buffer<Double>

Division of this element by scalar.

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fun <T> Buffer<T>.expand(range: IntRange, defaultValue: T): BufferView<T>

Resize original buffer to a given range using given range, filling additional segments with defaultValue. Range left border could be negative to designate adding new blank segment to the beginning of the buffer

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fun <T> Buffer<T>.first(): T
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inline fun <T, R> Buffer<T>.fold(initial: R, operation: (acc: R, T) -> R): R

Fold given buffer according to operation

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inline fun <T : Any, R> Buffer<T>.foldIndexed(initial: R, operation: (index: Int, acc: R, T) -> R): R

Fold given buffer according to indexed operation

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abstract operator fun get(index: Int): T

Gets element at given index.

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operator fun <T> Buffer<T>.get(index: UInt): T
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Non-boxing access to primitive Double

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Non-boxing access to primitive Int

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fun <T> Buffer<T>.getOrNull(index: Int): T?

if index is in range of buffer, return the value. Otherwise, return null.

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Return a new array filled with buffer indices. Indices order is defined by sorting associated buffer value. This feature allows sorting buffer values without reordering its content.

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open operator fun iterator(): Iterator<T>

Iterates over all elements.

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fun <T> Buffer<T>.last(): T
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inline override fun Buffer<Double>.map(block: DoubleField.(Double) -> Double): DoubleBuffer
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inline override fun Buffer<Double>.mapIndexed(block: DoubleField.(index: Int, arg: Double) -> Double): DoubleBuffer
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inline fun <T, R> Buffer<T>.mapIndexedToBuffer(bufferFactory: BufferFactory<R>, crossinline block: (index: Int, value: T) -> R): Buffer<R>

Create a new buffer from this one with the given mapping (indexed) function. Provided bufferFactory is used to construct the new buffer.

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inline fun <T, R> Buffer<T>.mapToBuffer(bufferFactory: BufferFactory<R>, crossinline block: (T) -> R): Buffer<R>

Create a new buffer from this one with the given mapping function. Provided bufferFactory is used to construct the new buffer.

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open operator override fun Point<Double>.minus(other: Point<Double>): DoubleBuffer

Vector subtraction

open operator override fun Buffer<Double>.minus(arg: Buffer<Double>): DoubleBuffer

Subtraction of two elements.

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Created a permuted view of given buffer using provided indices

Created a permuted mutable view of given buffer using provided indices

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open operator override fun Point<Double>.plus(other: Point<Double>): DoubleBuffer

Vector sum

open operator override fun Buffer<Double>.plus(arg: Buffer<Double>): DoubleBuffer

Addition of two elements.

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open infix fun Buffer<Double>.pow(pow: Number): Buffer<Double>

Raises this value to the power pow.

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inline fun <T> Buffer<T>.reduce(operation: (left: T, value: T) -> T): T

Reduce a buffer from left to right according to operation

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Checks that the Buffer is sorted (ascending) and throws IllegalArgumentException if it is not.

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abstract operator fun set(index: Int, value: T)

Sets the array element at the specified index to the specified value.

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fun <T> Buffer<T>.slice(range: IntRange): BufferView<T>

Zero-copy select a slice inside the original buffer

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Create a zero-copy virtual buffer that contains the same elements but in ascending order

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fun <V, C : Comparable<C>> Buffer<V>.sortedBy(selector: (V) -> C): Buffer<V>
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fun <V, C : Comparable<C>> Buffer<V>.sortedByDescending(selector: (V) -> C): Buffer<V>
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Create a zero-copy virtual buffer that contains the same elements but in descending order

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open operator override fun Point<Double>.times(value: Double): DoubleBuffer

Multiplies a vector by its element.

open operator fun Buffer<Double>.times(arg: Buffer<Double>): Buffer<Double>

Multiplies this element by scalar.

open operator fun Buffer<Double>.times(k: Number): Buffer<Double>

Multiplication of this element by a scalar.

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Returns a new ByteArray containing all the elements of this Buffer.

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Returns a new DoubleArray containing all the elements of this Buffer.

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Represent this buffer as DoubleBuffer. Does not guarantee that changes in the original buffer are reflected on this buffer.

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Returns a new FloatArray containing all the elements of this Buffer.

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Returns a new IntArray containing all the elements of this Buffer.

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fun <T> Buffer<T>.toList(): List<T>

Returns a new List containing all elements of this buffer.

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Returns a new LongArray containing all the elements of this Buffer.

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Returns a new MutableList filled with all elements of this buffer. NOTE: this method uses a protective copy, so it should not be used in performance-critical code.

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Returns a new ShortArray containing all the elements of this Buffer.

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abstract override fun toString(): String
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Returns a new Array containing all elements of this buffer. NOTE: this method uses a protective copy, so it should not be used in performance-critical code.

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open operator fun Point<Double>.unaryMinus(): Point<Double>

open operator override fun Buffer<Double>.unaryMinus(): DoubleBuffer

The negation of this element.

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open operator fun Buffer<Double>.unaryPlus(): Buffer<Double>

Returns this value.

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inline override fun Buffer<Double>.zip(other: Buffer<Double>, block: DoubleField.(left: Double, right: Double) -> Double): DoubleBuffer

Properties

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Returns an IntRange of the valid indices for this Buffer.

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abstract override val size: Int

The size of this buffer.