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* [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time)
50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
function canSimplifyToFloat(a, b)
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{
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return Math.fround(a) === Math.fround(b);
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}
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noInline(canSimplifyToFloat);
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function canSimplifyToFloatWithConstant(a)
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{
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return Math.fround(a) === 1.0;
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}
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noInline(canSimplifyToFloatWithConstant);
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function cannotSimplifyA(a, b)
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{
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return a === Math.fround(b);
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}
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noInline(cannotSimplifyA);
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function cannotSimplifyB(a, b)
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{
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return Math.fround(a) === b;
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}
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noInline(cannotSimplifyB);
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for (let i = 1; i < 1e4; ++i) {
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if (canSimplifyToFloat(Math.PI, Math.PI) !== true)
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throw "Failed canSimplifyToFloat(Math.PI, Math.PI)";
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if (canSimplifyToFloat(Math.LN2, Math.PI) !== false)
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throw "Failed canSimplifyToFloat(Math.LN2, Math.PI)";
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if (canSimplifyToFloatWithConstant(Math.PI) !== false)
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throw "Failed canSimplifyToFloatWithConstant(Math.PI)";
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if (canSimplifyToFloatWithConstant(1) !== true)
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throw "Failed canSimplifyToFloatWithConstant(1)";
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if (cannotSimplifyA(Math.PI, Math.PI) !== false)
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throw "Failed cannotSimplifyA(Math.PI, Math.PI)";
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if (cannotSimplifyA(Math.fround(Math.PI), Math.PI) !== true)
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throw "Failed cannotSimplifyA(Math.round(Math.PI), Math.PI)";
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if (cannotSimplifyA(Math.LN2, Math.PI) !== false)
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throw "Failed cannotSimplifyA(Math.LN2, Math.PI)";
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if (cannotSimplifyB(Math.PI, Math.PI) !== false)
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throw "Failed cannotSimplifyA(Math.PI, Math.PI)";
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if (cannotSimplifyB(Math.PI, Math.fround(Math.PI)) !== true)
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throw "Failed cannotSimplifyA(Math.round(Math.PI), Math.PI)";
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if (cannotSimplifyB(Math.LN2, Math.PI) !== false)
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throw "Failed cannotSimplifyA(Math.LN2, Math.PI)";
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}
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