All files DNumbers.ts

100% Statements 9/9

100% Branches 1/1

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  import {DEGREE_TO_PI, DOUBLE_PI_IN_DEGREE, PI_IN_DEGREE, PI_TO_DEGREE} from './DPoint';
 
const delta = 0.001;
 
export class DNumbers {
  static like(v: number, s: number, d: number = delta): boolean {
    return Math.abs(v - s) < d;
  }
 
  static likeZero(v: number): boolean {
    return DNumbers.like(v, 0);
  }
 
  static like2PI(v: number): boolean {
    return DNumbers.like(DNumbers.rad2Deg(v), DOUBLE_PI_IN_DEGREE);
  }
 
  static likePI(v: number): boolean {
    return DNumbers.like(DNumbers.rad2Deg(v), PI_IN_DEGREE);
  }
 
  static rad2Deg(v: number): number {
    return v * DEGREE_TO_PI;
  }
 
  static deg2Rad(v: number): number {
    return v * PI_TO_DEGREE;
  }
}