KT-48232: Implement kotlin.math.cbrt() (cubic roots)
cbrt() is the standard cubic root function that provides several advantages over pow(x, 1.0/3.0): - Better precision - Faster - Behaves better with negative values
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@@ -463,6 +463,23 @@ public actual inline fun min(a: Double, b: Double): Double = nativeMath.min(a, b
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@InlineOnly
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public actual inline fun max(a: Double, b: Double): Double = nativeMath.max(a, b)
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/**
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* Returns the cube root of [x]. For any `x`, `cbrt(-x) == -cbrt(x)`;
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* that is, the cube root of a negative value is the negative of the cube root
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* of that value's magnitude. Special cases:
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*
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* Special cases:
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* - If the argument is `NaN`, then the result is `NaN`.
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* - If the argument is infinite, then the result is an infinity with the same sign as the argument.
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* - If the argument is zero, then the result is a zero with the same sign as the argument.
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*/
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@SinceKotlin("1.7")
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@ExperimentalStdlibApi
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@InlineOnly
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public actual inline fun cbrt(x: Double): Double = nativeMath.cbrt(x)
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// extensions
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@@ -993,8 +1010,24 @@ public actual inline fun min(a: Float, b: Float): Float = nativeMath.min(a, b)
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@InlineOnly
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public actual inline fun max(a: Float, b: Float): Float = nativeMath.max(a, b)
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// extensions
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/**
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* Returns the cube root of [x]. For any `x`, `cbrt(-x) == -cbrt(x)`;
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* that is, the cube root of a negative value is the negative of the cube root
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* of that value's magnitude. Special cases:
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*
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* Special cases:
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* - If the argument is `NaN`, then the result is `NaN`.
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* - If the argument is infinite, then the result is an infinity with the same sign as the argument.
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* - If the argument is zero, then the result is a zero with the same sign as the argument.
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*/
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@SinceKotlin("1.7")
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@ExperimentalStdlibApi
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@InlineOnly
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public actual inline fun cbrt(x: Float): Float = nativeMath.cbrt(x.toDouble()).toFloat()
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// extensions
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/**
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* Raises this value to the power [x].
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