Ilya Gorbunov
34 lines
1.0 KiB
Kotlin
Vendored
34 lines
1.0 KiB
Kotlin
Vendored
// IGNORE_BACKEND: JS_IR
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// EXPECTED_REACHABLE_NODES: 1523
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fun imul32(a: Int, b: Int): Int = js("Kotlin").imulEmulated(a, b)
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fun imul64(a: Int, b: Int): Int = (a.toLong() * b.toLong()).toInt()
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fun generateSeries(data: List<Int>): List<Pair<Int, Int>> {
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val result = mutableListOf<Pair<Int, Int>>()
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for (i in data.indices) {
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for (j in i..data.lastIndex) {
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result += Pair(data[i], data[j])
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}
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}
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return result
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}
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fun test(series: List<Pair<Int, Int>>): String? {
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for ((a, b) in series) {
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(testSingle(a, b) ?: testSingle(a, -b) ?: testSingle(-a, b) ?: testSingle(-a, -b))?.let { return it }
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}
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return null
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}
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fun testSingle(a: Int, b: Int): String? {
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var actual = imul32(a, b)
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var expected = imul64(a, b)
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return if (actual != expected) "$a * $b = $expected, got $actual" else null
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}
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fun box(): String {
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val error = test(generateSeries(listOf(3, 0x1234, 0xFFFF, 0xABCD, 0xABCDEF, 0x43211234, 0x7FFFFFFC, 0x7FFFFFFF)))
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if (error != null) return "fail: error"
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return "OK"
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} |