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kotlin-fork/libraries/stdlib/jvm/test/numbers/NumbersJVMTest.kt
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nikita.movshin 65244b4bea Update copyright.
Change the copyright from "JetBrains s.r.o." to
"JetBrains s.r.o. and Kotlin Project contributors"
Update only 2 lines copyright.
2019-04-23 20:09:22 +03:00

26 lines
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Kotlin

/*
* Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package test.numbers
import kotlin.test.*
class NumbersJVMTest {
@Test
fun floatToBits() {
val PI_F = kotlin.math.PI.toFloat()
assertEquals(0x40490fdb, PI_F.toBits())
assertEquals(PI_F, Float.fromBits(0x40490fdb))
for (value in listOf(Float.NEGATIVE_INFINITY, -Float.MAX_VALUE, -1.0F, -Float.MIN_VALUE, -0.0F, 0.0F, Float.POSITIVE_INFINITY, Float.MAX_VALUE, 1.0F, Float.MIN_VALUE)) {
assertEquals(value, Float.fromBits(value.toBits()))
assertEquals(value, Float.fromBits(value.toRawBits()))
}
assertTrue(Float.NaN.toBits().let(Float.Companion::fromBits).isNaN())
assertTrue(Float.NaN.toRawBits().let { Float.fromBits(it) }.isNaN())
}
}