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Add an option to alias global objects

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This for example allows to switch the default 'Math' implementation a program will use. Uses 'NativeMath' by default.
This commit is contained in:
dcodeIO
2018-03-26 16:54:25 +02:00
parent e75d006d26
commit 792202ac5a
14 changed files with 186 additions and 167 deletions
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22
std/assembly/math.ts
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@ -58,14 +58,14 @@ import {
trunc as builtin_trunc
} from "./builtins";
// Math/Mathf.log/exp/pow
// NativeMath/NativeMathf.log/exp/pow
// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
// Developed at SunPro, a Sun Microsystems, Inc. business.
// Permission to use, copy, modify, and distribute this
// software is freely granted, provided that this notice
// is preserved.
export namespace Math {
export namespace NativeMath {
export const E = 2.7182818284590452354;
export const LN2 = 0.69314718055994530942;
@ -468,16 +468,16 @@ export namespace Math {
}
}
export namespace Mathf {
export namespace NativeMathf {
export const E = <f32>Math.E;
export const LN2 = <f32>Math.LN2;
export const LN10 = <f32>Math.LN10;
export const LOG2E = <f32>Math.LOG2E;
export const LOG10E = <f32>Math.LOG10E;
export const PI = <f32>Math.PI;
export const SQRT1_2 = <f32>Math.SQRT1_2;
export const SQRT2 = <f32>Math.SQRT2;
export const E = <f32>NativeMath.E;
export const LN2 = <f32>NativeMath.LN2;
export const LN10 = <f32>NativeMath.LN10;
export const LOG2E = <f32>NativeMath.LOG2E;
export const LOG10E = <f32>NativeMath.LOG10E;
export const PI = <f32>NativeMath.PI;
export const SQRT1_2 = <f32>NativeMath.SQRT1_2;
export const SQRT2 = <f32>NativeMath.SQRT2;
export function abs(x: f32): f32 {
return builtin_abs(x);