FIN INIT

node_modules/chart.js/dist/helpers/helpers.math.d.ts

@@ -0,0 +1,84 @@
+import type { Point } from '../types/geometric.js';
+/**
+ * @alias Chart.helpers.math
+ * @namespace
+ */
+export declare const PI: number;
+export declare const TAU: number;
+export declare const PITAU: number;
+export declare const INFINITY: number;
+export declare const RAD_PER_DEG: number;
+export declare const HALF_PI: number;
+export declare const QUARTER_PI: number;
+export declare const TWO_THIRDS_PI: number;
+export declare const log10: (x: number) => number;
+export declare const sign: (x: number) => number;
+export declare function almostEquals(x: number, y: number, epsilon: number): boolean;
+/**
+ * Implementation of the nice number algorithm used in determining where axis labels will go
+ */
+export declare function niceNum(range: number): number;
+/**
+ * Returns an array of factors sorted from 1 to sqrt(value)
+ * @private
+ */
+export declare function _factorize(value: number): number[];
+export declare function isNumber(n: unknown): n is number;
+export declare function almostWhole(x: number, epsilon: number): boolean;
+/**
+ * @private
+ */
+export declare function _setMinAndMaxByKey(array: Record<string, number>[], target: {
+    min: number;
+    max: number;
+}, property: string): void;
+export declare function toRadians(degrees: number): number;
+export declare function toDegrees(radians: number): number;
+/**
+ * Returns the number of decimal places
+ * i.e. the number of digits after the decimal point, of the value of this Number.
+ * @param x - A number.
+ * @returns The number of decimal places.
+ * @private
+ */
+export declare function _decimalPlaces(x: number): number;
+export declare function getAngleFromPoint(centrePoint: Point, anglePoint: Point): {
+    angle: number;
+    distance: number;
+};
+export declare function distanceBetweenPoints(pt1: Point, pt2: Point): number;
+/**
+ * Shortest distance between angles, in either direction.
+ * @private
+ */
+export declare function _angleDiff(a: number, b: number): number;
+/**
+ * Normalize angle to be between 0 and 2*PI
+ * @private
+ */
+export declare function _normalizeAngle(a: number): number;
+/**
+ * @private
+ */
+export declare function _angleBetween(angle: number, start: number, end: number, sameAngleIsFullCircle?: boolean): boolean;
+/**
+ * Limit `value` between `min` and `max`
+ * @param value
+ * @param min
+ * @param max
+ * @private
+ */
+export declare function _limitValue(value: number, min: number, max: number): number;
+/**
+ * @param {number} value
+ * @private
+ */
+export declare function _int16Range(value: number): number;
+/**
+ * @param value
+ * @param start
+ * @param end
+ * @param [epsilon]
+ * @private
+ */
+export declare function _isBetween(value: number, start: number, end: number, epsilon?: number): boolean;