// solves a linear system of two equations with two unknown variables
export class LinearSystem2 {
  static eps = 1.0e-8

  static solve(a00: number, a01: number, b0: number, a10: number, a11: number, b1: number): {x: number; y: number} | undefined {
    const d = a00 * a11 - a10 * a01

    if (Math.abs(d) < LinearSystem2.eps) {
      return
    }

    return {
      x: (b0 * a11 - b1 * a01) / d,
      y: (a00 * b1 - a10 * b0) / d,
    }
  }
}