import versor = require("versor");
const v0 = versor([ 0, 0, 0 ]);
const v1 = versor([ 90, 0, 0 ]);
const delta = versor.delta(v0, v1);
const delta2 = versor.delta(v0, v1, 0.5);
const cartesian = versor.cartesian([-80, 44]);
const rotation = versor.rotation([10, 30, 40, 4]);
const multiply = versor.multiply([10, 20, 30, 40], [0, 20, 30, 50]);
// typescript yells at this for example
versor.delta("a", "b");
// it also yells about this
versor("a");
// and this
versor.multiply([0, 1, 2]);