diff options
Diffstat (limited to 'node_modules/core-js/modules/es6.number.to-fixed.js')
-rw-r--r-- | node_modules/core-js/modules/es6.number.to-fixed.js | 95 |
1 files changed, 48 insertions, 47 deletions
diff --git a/node_modules/core-js/modules/es6.number.to-fixed.js b/node_modules/core-js/modules/es6.number.to-fixed.js index c54970d6a..2bf78af91 100644 --- a/node_modules/core-js/modules/es6.number.to-fixed.js +++ b/node_modules/core-js/modules/es6.number.to-fixed.js @@ -1,54 +1,54 @@ 'use strict'; -var $export = require('./_export') - , toInteger = require('./_to-integer') - , aNumberValue = require('./_a-number-value') - , repeat = require('./_string-repeat') - , $toFixed = 1..toFixed - , floor = Math.floor - , data = [0, 0, 0, 0, 0, 0] - , ERROR = 'Number.toFixed: incorrect invocation!' - , ZERO = '0'; +var $export = require('./_export'); +var toInteger = require('./_to-integer'); +var aNumberValue = require('./_a-number-value'); +var repeat = require('./_string-repeat'); +var $toFixed = 1.0.toFixed; +var floor = Math.floor; +var data = [0, 0, 0, 0, 0, 0]; +var ERROR = 'Number.toFixed: incorrect invocation!'; +var ZERO = '0'; -var multiply = function(n, c){ - var i = -1 - , c2 = c; - while(++i < 6){ +var multiply = function (n, c) { + var i = -1; + var c2 = c; + while (++i < 6) { c2 += n * data[i]; data[i] = c2 % 1e7; c2 = floor(c2 / 1e7); } }; -var divide = function(n){ - var i = 6 - , c = 0; - while(--i >= 0){ +var divide = function (n) { + var i = 6; + var c = 0; + while (--i >= 0) { c += data[i]; data[i] = floor(c / n); c = (c % n) * 1e7; } }; -var numToString = function(){ - var i = 6 - , s = ''; - while(--i >= 0){ - if(s !== '' || i === 0 || data[i] !== 0){ +var numToString = function () { + var i = 6; + var s = ''; + while (--i >= 0) { + if (s !== '' || i === 0 || data[i] !== 0) { var t = String(data[i]); s = s === '' ? t : s + repeat.call(ZERO, 7 - t.length) + t; } } return s; }; -var pow = function(x, n, acc){ +var pow = function (x, n, acc) { return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc); }; -var log = function(x){ - var n = 0 - , x2 = x; - while(x2 >= 4096){ +var log = function (x) { + var n = 0; + var x2 = x; + while (x2 >= 4096) { n += 12; x2 /= 4096; } - while(x2 >= 2){ - n += 1; + while (x2 >= 2) { + n += 1; x2 /= 2; } return n; }; @@ -57,39 +57,40 @@ $export($export.P + $export.F * (!!$toFixed && ( 0.00008.toFixed(3) !== '0.000' || 0.9.toFixed(0) !== '1' || 1.255.toFixed(2) !== '1.25' || - 1000000000000000128..toFixed(0) !== '1000000000000000128' -) || !require('./_fails')(function(){ + 1000000000000000128.0.toFixed(0) !== '1000000000000000128' +) || !require('./_fails')(function () { // V8 ~ Android 4.3- $toFixed.call({}); })), 'Number', { - toFixed: function toFixed(fractionDigits){ - var x = aNumberValue(this, ERROR) - , f = toInteger(fractionDigits) - , s = '' - , m = ZERO - , e, z, j, k; - if(f < 0 || f > 20)throw RangeError(ERROR); - if(x != x)return 'NaN'; - if(x <= -1e21 || x >= 1e21)return String(x); - if(x < 0){ + toFixed: function toFixed(fractionDigits) { + var x = aNumberValue(this, ERROR); + var f = toInteger(fractionDigits); + var s = ''; + var m = ZERO; + var e, z, j, k; + if (f < 0 || f > 20) throw RangeError(ERROR); + // eslint-disable-next-line no-self-compare + if (x != x) return 'NaN'; + if (x <= -1e21 || x >= 1e21) return String(x); + if (x < 0) { s = '-'; x = -x; } - if(x > 1e-21){ + if (x > 1e-21) { e = log(x * pow(2, 69, 1)) - 69; z = e < 0 ? x * pow(2, -e, 1) : x / pow(2, e, 1); z *= 0x10000000000000; e = 52 - e; - if(e > 0){ + if (e > 0) { multiply(0, z); j = f; - while(j >= 7){ + while (j >= 7) { multiply(1e7, 0); j -= 7; } multiply(pow(10, j, 1), 0); j = e - 1; - while(j >= 23){ + while (j >= 23) { divide(1 << 23); j -= 23; } @@ -103,11 +104,11 @@ $export($export.P + $export.F * (!!$toFixed && ( m = numToString() + repeat.call(ZERO, f); } } - if(f > 0){ + if (f > 0) { k = m.length; m = s + (k <= f ? '0.' + repeat.call(ZERO, f - k) + m : m.slice(0, k - f) + '.' + m.slice(k - f)); } else { m = s + m; } return m; } -});
\ No newline at end of file +}); |