diff options
Diffstat (limited to 'node_modules/core-js/library/modules/es6.math.imul.js')
-rw-r--r-- | node_modules/core-js/library/modules/es6.math.imul.js | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/node_modules/core-js/library/modules/es6.math.imul.js b/node_modules/core-js/library/modules/es6.math.imul.js new file mode 100644 index 000000000..7f4111d27 --- /dev/null +++ b/node_modules/core-js/library/modules/es6.math.imul.js @@ -0,0 +1,17 @@ +// 20.2.2.18 Math.imul(x, y) +var $export = require('./_export') + , $imul = Math.imul; + +// some WebKit versions fails with big numbers, some has wrong arity +$export($export.S + $export.F * require('./_fails')(function(){ + return $imul(0xffffffff, 5) != -5 || $imul.length != 2; +}), 'Math', { + imul: function imul(x, y){ + var UINT16 = 0xffff + , xn = +x + , yn = +y + , xl = UINT16 & xn + , yl = UINT16 & yn; + return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0); + } +});
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