commonMain.kotlin.KotlinH.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2020 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 kotlin
// From numbers.kt
/**
* Returns `true` if the specified number is a
* Not-a-Number (NaN) value, `false` otherwise.
*/
public expect fun Double.isNaN(): Boolean
/**
* Returns `true` if the specified number is a
* Not-a-Number (NaN) value, `false` otherwise.
*/
public expect fun Float.isNaN(): Boolean
/**
* Returns `true` if this value is infinitely large in magnitude.
*/
public expect fun Double.isInfinite(): Boolean
/**
* Returns `true` if this value is infinitely large in magnitude.
*/
public expect fun Float.isInfinite(): Boolean
/**
* Returns `true` if the argument is a finite floating-point value; returns `false` otherwise (for `NaN` and infinity arguments).
*/
public expect fun Double.isFinite(): Boolean
/**
* Returns `true` if the argument is a finite floating-point value; returns `false` otherwise (for `NaN` and infinity arguments).
*/
public expect fun Float.isFinite(): Boolean
/**
* 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")
public expect fun Double.toBits(): Long
/**
* 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")
public expect fun Double.toRawBits(): Long
/**
* Returns the [Double] value corresponding to a given bit representation.
*/
@SinceKotlin("1.2")
public expect fun Double.Companion.fromBits(bits: Long): Double
/**
* 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")
public expect fun Float.toBits(): Int
/**
* 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")
public expect fun Float.toRawBits(): Int
/**
* Returns the [Float] value corresponding to a given bit representation.
*/
@SinceKotlin("1.2")
public expect fun Float.Companion.fromBits(bits: Int): Float
// from lazy.kt
public expect fun lazy(initializer: () -> T): Lazy
/**
* Creates a new instance of the [Lazy] that uses the specified initialization function [initializer].
*
* The [mode] parameter is ignored. */
public expect fun lazy(mode: LazyThreadSafetyMode, initializer: () -> T): Lazy
/**
* Creates a new instance of the [Lazy] that uses the specified initialization function [initializer].
*
* The [lock] parameter is ignored.
*/
@Deprecated("Synchronization on Any? object is supported only in Kotlin/JVM.", ReplaceWith("lazy(initializer)"))
@DeprecatedSinceKotlin(warningSince = "1.9")
public expect fun lazy(lock: Any?, initializer: () -> T): Lazy