kotlin.util.Numbers.kt Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of kotlin-stdlib Show documentation
Kotlin Standard Library for JVM
There is a newer version: 2.0.0-RC2
/*
 * 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.
 */

@file:kotlin.jvm.JvmMultifileClass
@file:kotlin.jvm.JvmName("MathKt")
package kotlin

/**
 * Returns `true` if the specified number is a
 * Not-a-Number (NaN) value, `false` otherwise.
 */
@kotlin.internal.InlineOnly
public actual inline fun Double.isNaN(): Boolean = java.lang.Double.isNaN(this)

/**
 * Returns `true` if the specified number is a
 * Not-a-Number (NaN) value, `false` otherwise.
 */
@kotlin.internal.InlineOnly
public actual inline fun Float.isNaN(): Boolean = java.lang.Float.isNaN(this)

/**
 * Returns `true` if this value is infinitely large in magnitude.
 */
@kotlin.internal.InlineOnly
public actual inline fun Double.isInfinite(): Boolean = java.lang.Double.isInfinite(this)

/**
 * Returns `true` if this value is infinitely large in magnitude.
 */
@kotlin.internal.InlineOnly
public actual inline fun Float.isInfinite(): Boolean = java.lang.Float.isInfinite(this)

/**
 * Returns `true` if the argument is a finite floating-point value; returns `false` otherwise (for `NaN` and infinity arguments).
 */
@kotlin.internal.InlineOnly
public actual inline fun Double.isFinite(): Boolean = !isInfinite() && !isNaN()

/**
 * Returns `true` if the argument is a finite floating-point value; returns `false` otherwise (for `NaN` and infinity arguments).
 */
@kotlin.internal.InlineOnly
public actual inline fun Float.isFinite(): Boolean = !isInfinite() && !isNaN()

/**
 * Returns a bit representation of the specified floating-point value as [Long]
 * according to the IEEE 754 floating-point "double format" bit layout.
 */
@SinceKotlin("1.2")
@kotlin.internal.InlineOnly
public actual inline fun Double.toBits(): Long = java.lang.Double.doubleToLongBits(this)

/**
 * Returns a bit representation of the specified floating-point value as [Long]
 * according to the IEEE 754 floating-point "double format" bit layout,
 * preserving `NaN` values exact layout.
 */
@SinceKotlin("1.2")
@kotlin.internal.InlineOnly
public actual inline fun Double.toRawBits(): Long = java.lang.Double.doubleToRawLongBits(this)

/**
 * Returns the [Double] value corresponding to a given bit representation.
 */
@SinceKotlin("1.2")
@kotlin.internal.InlineOnly
public actual inline fun Double.Companion.fromBits(bits: Long): Double = java.lang.Double.longBitsToDouble(bits)

/**
 * Returns a bit representation of the specified floating-point value as [Int]
 * according to the IEEE 754 floating-point "single format" bit layout.
 */
@SinceKotlin("1.2")
@kotlin.internal.InlineOnly
public actual inline fun Float.toBits(): Int = java.lang.Float.floatToIntBits(this)

/**
 * Returns a bit representation of the specified floating-point value as [Int]
 * according to the IEEE 754 floating-point "single format" bit layout,
 * preserving `NaN` values exact layout.
 */
@SinceKotlin("1.2")
@kotlin.internal.InlineOnly
public actual inline fun Float.toRawBits(): Int = java.lang.Float.floatToRawIntBits(this)

/**
 * Returns the [Float] value corresponding to a given bit representation.
 */
@SinceKotlin("1.2")
@kotlin.internal.InlineOnly
public actual inline fun Float.Companion.fromBits(bits: Int): Float = java.lang.Float.intBitsToFloat(bits)