#!/usr/bin/env swift;
/******************************************************************************
 * This program prints physical constants.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import Foundation
import Utils

let avogadro:Double = 6.0221412927e23
let electronMass:Double = 9.1093821545e-31

func main() -> Void {
    print("General Format")
    print(Utils.format("π: {0:g} {0:.2g} |{0:10.2g}|", Double.pi))
    print(Utils.format("ℯ: {0:g} {0:.2g} |{0:10.2g}|", M_E))
    print(Utils.format("N\u{2090}: {0:g} {0:.2g} |{0:10.2g}|", avogadro))
    print(Utils.format("m\u{2091}: {0:g} {0:.2g} |{0:10.2g}|", electronMass))

    print("Fixed Format")
    print(Utils.format("π: {0:f} {0:.2f} |{0:10.2f}|", Double.pi))
    print(Utils.format("ℯ: {0:f} {0:.2f} |{0:10.2f}|", M_E))
    print(Utils.format("N\u{2090}: {0:f} {0:.2f} |{0:10.2f}|", avogadro))
    print(Utils.format("m\u{2091}: {0:f} {0:.2f} |{0:10.2f}|", electronMass))

    print("Scientific Format")
    print(Utils.format("π: {0:e} {0:.2e} |{0:10.2e}|", Double.pi))
    print(Utils.format("ℯ: {0:e} {0:.2e} |{0:10.2e}|", M_E))
    print(Utils.format("N\u{2090}: {0:e} {0:.2e} |{0:10.2e}|", avogadro))
    print(Utils.format("m\u{2091}: {0:e} {0:.2e} |{0:10.2e}|", electronMass))
    exit(EXIT_SUCCESS)
}
main()