diff options
Diffstat (limited to 'node_modules/core-js/library/modules/es6.number.to-fixed.js')
| -rw-r--r-- | node_modules/core-js/library/modules/es6.number.to-fixed.js | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/node_modules/core-js/library/modules/es6.number.to-fixed.js b/node_modules/core-js/library/modules/es6.number.to-fixed.js deleted file mode 100644 index c54970d6a..000000000 --- a/node_modules/core-js/library/modules/es6.number.to-fixed.js +++ /dev/null @@ -1,113 +0,0 @@ -'use strict'; -var $export = require('./_export') - , toInteger = require('./_to-integer') - , aNumberValue = require('./_a-number-value') - , repeat = require('./_string-repeat') - , $toFixed = 1..toFixed - , floor = Math.floor - , data = [0, 0, 0, 0, 0, 0] - , ERROR = 'Number.toFixed: incorrect invocation!' - , ZERO = '0'; - -var multiply = function(n, c){ - var i = -1 - , c2 = c; - while(++i < 6){ - c2 += n * data[i]; - data[i] = c2 % 1e7; - c2 = floor(c2 / 1e7); - } -}; -var divide = function(n){ - var i = 6 - , c = 0; - while(--i >= 0){ - c += data[i]; - data[i] = floor(c / n); - c = (c % n) * 1e7; - } -}; -var numToString = function(){ - var i = 6 - , s = ''; - while(--i >= 0){ - if(s !== '' || i === 0 || data[i] !== 0){ - var t = String(data[i]); - s = s === '' ? t : s + repeat.call(ZERO, 7 - t.length) + t; - } - } return s; -}; -var pow = function(x, n, acc){ - return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc); -}; -var log = function(x){ - var n = 0 - , x2 = x; - while(x2 >= 4096){ - n += 12; - x2 /= 4096; - } - while(x2 >= 2){ - n += 1; - x2 /= 2; - } return n; -}; - -$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(){ - // 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){ - s = '-'; - x = -x; - } - 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){ - multiply(0, z); - j = f; - while(j >= 7){ - multiply(1e7, 0); - j -= 7; - } - multiply(pow(10, j, 1), 0); - j = e - 1; - while(j >= 23){ - divide(1 << 23); - j -= 23; - } - divide(1 << j); - multiply(1, 1); - divide(2); - m = numToString(); - } else { - multiply(0, z); - multiply(1 << -e, 0); - m = numToString() + repeat.call(ZERO, f); - } - } - 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; - } -});
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