Artem Kobzar
22 lines
458 B
Kotlin
Vendored
22 lines
458 B
Kotlin
Vendored
// WITH_STDLIB
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// TARGET_BACKEND: JS_IR
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// FILE: main.js
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Math.clz32 = function clz32(x) {
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clz32.called = true;
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var asUint = x >>> 0;
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if (asUint === 0) {
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return 32;
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}
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return 31 - (Math.log(asUint) / Math.LN2 | 0) | 0; // the "| 0" acts like math.floor
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}
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// FILE: main.kt
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fun box(): String {
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val result = 4.countLeadingZeroBits()
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assertEquals(result, 29)
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assertEquals(js("Math.clz32.called"), true)
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return "OK"
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}
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