octo-deno/lib/make/numbers.js

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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make.number = {
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bool: function () {
return random.bool()
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},
float: function () {
let n
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if (random.chance(32)) {
switch (random.number(4)) {
case 0:
n = random.range(Number.MAX_VALUE, Number.MIN_VALUE)
break
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case 1:
n = Math.pow(10, 1) / Math.pow(10, random.number(307))
break
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case 2:
n = Math.pow(2, random.float() * random.float() * 64)
break
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case 3:
n = Math.pow(10, random.range(1, 9)) / Math.pow(10, random.range(1, 9))
break
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}
return n
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}
switch (random.number(6)) {
default:
n = random.float()
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}
return n
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},
rangeNumber: function () {
return random.pick([1, 2, 3, 4, 6, 8, 16, 32, 64, make.number.tinyNumber])
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},
tinyNumber: function () {
return Math.pow(2, random.number(12))
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},
unsignedNumber: function () {
if (random.chance(2)) {
return Math.abs(make.number.any())
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}
return Math.pow(2, random.number(65)) + random.number(3) - 1
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},
evenNumber: function (number) {
return number % 2 === 1 ? ++number : number
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},
any: function () {
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let value = random.choose([
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[10, make.number.float],
[10, [make.number.rangeNumber, make.number.tinyNumber]],
[1, make.number.unsignedNumber]
])
return random.chance(10) ? -value : value
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}
}