ephemeris

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JavaScript implementation of Moshier's ephemeris calculations for sun, planets, comets, asteroids and stars.

8 lines (6 loc) • 154 B

JavaScript

"use strict";

module.exports = function (value) {
	value = Number(value);
	if (isNaN(value) || value === 0) return value;
	return value > 0 ? 1 : -1;
};