android-sdk-core/com.mapsted.positioning/MathCalc

MathCalc

open class MathCalc

Constructors

MathCalc

constructor()

Functions

argMax

open fun argMax(arrayList: ArrayList<Double>): Int

argMin

open fun argMin(arrayList: ArrayList<Double>): Int

average

open fun average(array: List<Double>): Double

Calcalate the average of a list of numbers.

averageF

open fun averageF(array: List<Float>): Float

centroid

@Nullable

open fun centroid(boundary: List<Mercator>): Mercator

distance

open fun distance(A: Mercator, B: Mercator): Double

Calculate the distance between two points.

distanceToCurrentUserPosition

@Nullable

open fun distanceToCurrentUserPosition(point: Mercator, coreApi: CoreApi): Double

Calculate the distance between the current user's position to the point.

distanceWithFloorPenalty

open fun distanceWithFloorPenalty(coreApi: CoreApi, locA: MercatorZone, locB: MercatorZone): Float

Returns approximate distance between two locations, roughly taking into account floor changes

distanceWithFloorPenaltyFromUser

open fun distanceWithFloorPenaltyFromUser(coreApi: CoreApi, loc: MercatorZone): Float

distFromPointToLineSegment

open fun distFromPointToLineSegment(pt0: Mercator, l1: Mercator, l2: Mercator): Double

getMinMax

open fun getMinMax(arrayList: ArrayList<Double>): MinMax

Gets the minimum and maximum value from an array list.

isValidUserPosition

open fun isValidUserPosition(p: Position): Boolean

True when p represents a real positioning fix, not the engine's uninitialized sentinel.

linearFit

open fun linearFit(p0: Mercator, p1: Mercator): LineEqn

lineIntersectCircle

@Nullable

open fun lineIntersectCircle(lineEqn: LineEqn, circlePt: Mercator, r: Float): List<Mercator>

@Nullable

open fun lineIntersectCircle(pt1: Mercator, pt2: Mercator, circlePt: Mercator, r: Float): List<Mercator>

Finds the point(s) of intersection between a circle and a line

lineIntersectCircleFarthestFromPt1

@Nullable

open fun lineIntersectCircleFarthestFromPt1(pt1: Mercator, pt2: Mercator, circlePt: Mercator, r: Float): Mercator

Finds the point of intersection between a circle and a line.

lineIntersection

@Nullable

open fun lineIntersection(line1: LineEqn, line2: LineEqn): Mercator

matrixTimesVector

open fun matrixTimesVector(M: Array<Array<Double>>, X: Array<Double>): Array<Double>

open fun matrixTimesVector(M: Array<Array<Float>>, X: Array<Float>): Array<Float>

max

open fun max(arrayList: ArrayList<Double>): Double

Finds the maximum value from a list.

min

open fun min(arrayList: ArrayList<Double>): Double

Finds the minimum value from an array of numbers.

minIdxVal

open fun minIdxVal(arrayList: ArrayList<Double>): IdxVal

mod

open fun mod(x: Double, y: Double): Double

projPointOntoLine

open fun projPointOntoLine(pt0: Mercator, lineEqn: LineEqn): Mercator

rotationAngle

open fun rotationAngle(loc1: Mercator, loc2: Mercator): Double

Returns angle between two locations in radians clockwise from North

solveQuadraticEquation

@Nullable

open fun solveQuadraticEquation(a: Double, b: Double, c: Double): List<Double>

sum

open fun sum(array: List<Double>): Double

Calculate the sum of a list of numbers.