#!/usr/bin/env swift;
/******************************************************************************
 * This program demonstrates the math library.
 * 
 * Copyright © 2016 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import Foundation
import Utils

// Begin Main
let a:Double = Double.pi / Double(6)
let b:Double = Double.pi / Double(4)
let c:Double = -a * 2
let d:Double = -b * 2
let e:Double = M_E

print(Utils.format("pi = {0:f}", Double.pi))
print(Utils.format("e = {0:f}", M_E))

// abs, floor, ceil, round, trunc, min, max
print(Utils.format("abs({0:f}) = {1:f}", a, fabs(a)))
print(Utils.format("abs({0:f}) = {1:f}", c, fabs(c)))
print(Utils.format("floor({0:f}) = {1:f}", a, floor(a)))
print(Utils.format("floor({0:f}) = {1:f}", c, floor(c)))
print(Utils.format("ceil({0:f}) = {1:f}", a, ceil(a)))
print(Utils.format("ceil({0:f}) = {1:f}", c, ceil(c)))
print(Utils.format("round({0:f}) = {1:f}", a, round(a)))
print(Utils.format("round({0:f}) = {1:f}", c, round(c)))
print(Utils.format("trunc({0:f}) = {1:f}", a, trunc(a)))
print(Utils.format("trunc({0:f}) = {1:f}", c, trunc(c)))
print(Utils.format("min({0:f}, {1:f}) = {2:f}", a, c, fmin(a, c)))
print(Utils.format("max({0:f}, {1:f}) = {2:f}", a, c, fmax(a, c)))

// sin, cos, tan, atan, atan2, acos, asin
print(Utils.format("sin({0:f}) = {1:f}", a, sin(a)))
print(Utils.format("sin({0:f}) = {1:f}", b, sin(b)))
print(Utils.format("sin({0:f}) = {1:f}", c, sin(c)))
print(Utils.format("sin({0:f}) = {1:f}", d, sin(d)))
print(Utils.format("cos({0:f}) = {1:f}", a, cos(a)))
print(Utils.format("cos({0:f}) = {1:f}", b, cos(b)))
print(Utils.format("cos({0:f}) = {1:f}", c, cos(c)))
print(Utils.format("cos({0:f}) = {1:f}", d, cos(d)))
print(Utils.format("tan({0:f}) = {1:f}", a, tan(a)))
print(Utils.format("tan({0:f}) = {1:f}", b, tan(b)))
print(Utils.format("tan({0:f}) = {1:f}", c, tan(c)))
print(Utils.format("asin({0:f}) = {1:f}", sin(a), asin(sin(a))))
print(Utils.format("asin({0:f}) = {1:f}", sin(b), asin(sin(b))))
print(Utils.format("asin({0:f}) = {1:f}", sin(c), asin(sin(c))))
print(Utils.format("asin({0:f}) = {1:f}", sin(d), asin(sin(d))))
print(Utils.format("acos({0:f}) = {1:f}", cos(a), acos(cos(a))))
print(Utils.format("acos({0:f}) = {1:f}", cos(b), acos(cos(b))))
print(Utils.format("acos({0:f}) = {1:f}", cos(c), acos(cos(c))))
print(Utils.format("acos({0:f}) = {1:f}", cos(d), acos(cos(d))))
print(Utils.format("atan({0:f}) = {1:f}", tan(a), atan(tan(a))))
print(Utils.format("atan({0:f}) = {1:f}", tan(b), atan(tan(b))))
print(Utils.format("atan({0:f}) = {1:f}", tan(c), atan(tan(c))))
// 45 degrees
print(Utils.format("atan2({0:f}, {1:f}) = {2:f}", 1.0, 1.0, atan2(1.0, 1.0)))
// 30 degrees
print(Utils.format("atan2({0:f}, {1:f}) = {2:f}", 1.0, sqrt(3.0), atan2(1.0, sqrt(3.0))))

// sinh, cosh, tanh, atanh, acosh, asinh
print(Utils.format("sinh({0:f}) = {1:f}", a, sinh(a)))
print(Utils.format("sinh({0:f}) = {1:f}", b, sinh(b)))
print(Utils.format("sinh({0:f}) = {1:f}", c, sinh(c)))
print(Utils.format("sinh({0:f}) = {1:f}", d, sinh(d)))
print(Utils.format("cosh({0:f}) = {1:f}", a, cosh(a)))
print(Utils.format("cosh({0:f}) = {1:f}", b, cosh(b)))
print(Utils.format("cosh({0:f}) = {1:f}", c, cosh(c)))
print(Utils.format("cosh({0:f}) = {1:f}", d, cosh(d)))
print(Utils.format("tanh({0:f}) = {1:f}", a, tanh(a)))
print(Utils.format("tanh({0:f}) = {1:f}", b, tanh(b)))
print(Utils.format("tanh({0:f}) = {1:f}", c, tanh(c)))
print(Utils.format("tanh({0:f}) = {1:f}", d, tanh(d)))
print(Utils.format("asinh({0:f}) = {1:f}", sinh(a), asinh(sinh(a))))
print(Utils.format("asinh({0:f}) = {1:f}", sinh(b), asinh(sinh(b))))
print(Utils.format("asinh({0:f}) = {1:f}", sinh(c), asinh(sinh(c))))
print(Utils.format("asinh({0:f}) = {1:f}", sinh(d), asinh(sinh(d))))
print(Utils.format("acosh({0:f}) = {1:f}", cosh(a), acosh(cosh(a))))
print(Utils.format("acosh({0:f}) = {1:f}", cosh(b), acosh(cosh(b))))
print(Utils.format("acosh({0:f}) = {1:f}", cosh(c), acosh(cosh(c))))
print(Utils.format("acosh({0:f}) = {1:f}", cosh(d), acosh(cosh(d))))
print(Utils.format("atanh({0:f}) = {1:f}", tanh(a), atanh(tanh(a))))
print(Utils.format("atanh({0:f}) = {1:f}", tanh(b), atanh(tanh(b))))
print(Utils.format("atanh({0:f}) = {1:f}", tanh(c), atanh(tanh(c))))
print(Utils.format("atanh({0:f}) = {1:f}", tanh(d), atanh(tanh(d))))

// log, log10, exp, pow, sqrt
print(Utils.format("log({0:f}) = {1:f}", a, log(a)))
print(Utils.format("log({0:f}) = {1:f}", b, log(b)))
print(Utils.format("log({0:f}) = {1:f}", -c, log(-c)))
print(Utils.format("log({0:f}) = {1:f}", -d, log(-d)))
print(Utils.format("log({0:f}) = {1:f}", e, log(e)))
print(Utils.format("log10({0:f}) = {1:f}", a, log10(a)))
print(Utils.format("log10({0:f}) = {1:f}", b, log10(b)))
print(Utils.format("log10({0:f}) = {1:f}", -c, log10(-c)))
print(Utils.format("log10({0:f}) = {1:f}", -d, log10(-d)))
print(Utils.format("log10({0:f}) = {1:f}", e, log10(e)))
print(Utils.format("exp({0:f}) = {1:f}", 0.5, exp(0.5)))
print(Utils.format("exp({0:f}) = {1:f}", 1.0, exp(1.0)))
print(Utils.format("exp({0:f}) = {1:f}", 2.0, exp(2.0)))
print(Utils.format("pow({0:f}, {1:f}) = {2:f}", 10.0, 0.5, pow(10.0, 0.5)))
print(Utils.format("pow({0:f}, {1:f}) = {2:f}", 10.0, 1.0, pow(10.0, 1.0)))
print(Utils.format("pow({0:f}, {1:f}) = {2:f}", 10.0, 2.0, pow(10.0, 2.0)))
print(Utils.format("sqrt({0:f}) = {1:f}", 0.5, sqrt(0.5)))
print(Utils.format("sqrt({0:f}) = {1:f}", 2.0, sqrt(2.0)))
print(Utils.format("sqrt({0:f}) = {1:f}", 10.0, sqrt(10.0)))

// random numbers
print(Utils.format("random() = {0:f}", Double.random(in: 0.0 ..< 1.0)))
print(Utils.format("random() = {0:f}", Double.random(in: 0.0 ..< 1.0)))
print(Utils.format("random() = {0:f}", Double.random(in: 0.0 ..< 1.0)))

exit(EXIT_SUCCESS)