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Add Math.signbit (#333)

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This commit is contained in:
Max Graey
2018-11-18 12:46:48 +02:00
committed by Daniel Wirtz
parent 1928404f3b
commit 4944280cdc
7 changed files with 14830 additions and 14334 deletions
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8
std/portable/index.js
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@ -4,6 +4,9 @@ var globalScope = typeof window !== "undefined" && window || typeof global !== "
globalScope.ASC_TARGET = 0;
var F64 = new Float64Array(1);
var U64 = new Uint32Array(F64.buffer);
Object.defineProperties(
globalScope["i8"] = function i8(value) { return value << 24 >> 24; }
, {
@ -210,7 +213,7 @@ globalScope["isString"] = function isString(arg) {
globalScope["isArray"] = Array.isArray;
globalScope["unchecked"] = function(expr) {
globalScope["unchecked"] = function unchecked(expr) {
return expr;
};
@ -223,6 +226,9 @@ globalScope["fmodf"] = function fmodf(x, y) {
};
globalScope["JSMath"] = Math;
globalScope["JSMath"].signbit = function signbit(x) {
F64[0] = x; return Boolean((U64[1] >>> 31) & (x == x));
}
globalScope["memory"] = (() => {
var HEAP = new Uint8Array(0);