/* * 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()) } }