Utils

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final def !=(arg0: Any): Boolean

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final def ##(): Int

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final def ==(arg0: Any): Boolean

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def hashCode(): Int

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def makeMatrix(rows: DenseVector[Int], cols: DenseVector[Int], vals: DenseVector[Double], rowDim: Int, colDim: Int): DenseMatrix[Double]
def mod(a: Int, b: Int): Int
final def ne(arg0: AnyRef): Boolean

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final def notify(): Unit

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def rejectionSample(nSamples: Int, poolSize: Int, rngState: Array[Long]): Array[Long]

Generate nSamples many Longegers from 0 to poolSize such that no Longeger is selected twice.
Generate nSamples many Longegers from 0 to poolSize such that no Longeger is selected twice. The duplication constraLong is achieved via rejection sampling.
nSamples
The number of random samples to select from the pool
poolSize
The size of the total pool of candidates to sample from
rngState
Longernal state of the random number generator
returns
The nSamples randomly selected elements from the pool.
def siftdown(arr1: DenseVector[Double], arr2: DenseVector[Int], elt: Int): Unit

Restore the heap property for a heap with an out of place element at position elt.
Restore the heap property for a heap with an out of place element at position elt. This works with a heap pair where arr1 carries the weights and arr2 holds the corresponding elements.
arr1
: DenseVector[Double] Heap carrying the weights
arr2
: DenseVector[Int] Heap holding the corresponding elements
def submatrix(dmat: Array[Array[Double]], indicesCol: Array[Array[Int]], nNeighbors: Int): Array[Array[Double]]

dmat
Original matrix.
indicesCol
Indices to keep. Each row consists of the indices of the columns.
nNeighbors
Number of neighbors.
returns
The corresponding submatrix.
final def synchronized[T0](arg0: ⇒ T0): T0

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def tauRand(state: Array[Long]): Float

A (pseudo)-random number generator for floats in the range [0,1]
A (pseudo)-random number generator for floats in the range [0,1]
state
The Longernal state of the rng
returns
A (pseudo)-random float in the Longerval [0, 1]
def tauRandInt(state: Array[Long]): Int

state
The Longernal state of the rng
returns
A (pseudo)-random Int value
def toString(): String

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final def wait(arg0: Long, arg1: Int): Unit

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def finalize(): Unit

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@Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
Deprecated
(Since version ) see corresponding Javadoc for more information.

Related Doc: package umap

object Utils extends Serializable

Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def makeMatrix(rows: DenseVector[Int], cols: DenseVector[Int], vals: DenseVector[Double], rowDim: Int, colDim: Int): DenseMatrix[Double]

def mod(a: Int, b: Int): Int

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def rejectionSample(nSamples: Int, poolSize: Int, rngState: Array[Long]): Array[Long]

def siftdown(arr1: DenseVector[Double], arr2: DenseVector[Int], elt: Int): Unit

def submatrix(dmat: Array[Array[Double]], indicesCol: Array[Array[Int]], nNeighbors: Int): Array[Array[Double]]

final def synchronized[T0](arg0: ⇒ T0): T0

def tauRand(state: Array[Long]): Float

def tauRandInt(state: Array[Long]): Int

def toString(): String

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

final def wait(): Unit

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def finalize(): Unit

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