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Add portable sincos polyfill (#529)

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This commit is contained in:
Max Graey
2019-03-06 21:20:18 +02:00
committed by Daniel Wirtz
parent 783dd32c2e
commit f841f0fe1f
3 changed files with 48 additions and 15 deletions
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27
std/portable/index.js
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@ -206,10 +206,18 @@ globalScope["isFloat"] = function isFloat(arg) {
return typeof arg === "number";
};
globalScope["isNullable"] = function isNullable(arg) {
return true;
}
globalScope["isReference"] = function isReference(arg) {
return typeof arg === "object" || typeof arg === "string";
};
globalScope["isFunction"] = function isFunction(arg) {
return typeof arg === "function";
}
globalScope["isString"] = function isString(arg) {
return typeof arg === "string" || arg instanceof String;
};
@ -244,9 +252,22 @@ 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));
}
Object.defineProperties(globalScope["JSMath"], {
sincos_sin: { value: 0.0, writable: true },
sincos_cos: { value: 0.0, writable: true },
signbit: {
value: function signbit(x) {
F64[0] = x; return Boolean((U64[1] >>> 31) & (x == x));
}
},
sincos: {
value: function sincos(x) {
this.sincos_sin = Math.sin(x);
this.sincos_cos = Math.cos(x);
}
}
});
globalScope["memory"] = (() => {
var HEAP = new Uint8Array(0);