Add toQuaternion extension for Complex
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@ -68,7 +68,7 @@ public object QuaternionField : Field<Quaternion>, Norm<Quaternion, Quaternion>,
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a.w * b.z + a.x * b.y - a.y * b.x + a.z * b.w,
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a.w * b.z + a.x * b.y - a.y * b.x + a.z * b.w,
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)
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)
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override fun divide(a: Quaternion, b: Quaternion): Quaternion {
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public override fun divide(a: Quaternion, b: Quaternion): Quaternion {
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val s = b.w * b.w + b.x * b.x + b.y * b.y + b.z * b.z
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val s = b.w * b.w + b.x * b.x + b.y * b.y + b.z * b.z
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return Quaternion(
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return Quaternion(
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@ -196,8 +196,7 @@ public object QuaternionField : Field<Quaternion>, Norm<Quaternion, Quaternion>,
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* @property z The fourth component.
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* @property z The fourth component.
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*/
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*/
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public data class Quaternion(val w: Double, val x: Double, val y: Double, val z: Double) :
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public data class Quaternion(val w: Double, val x: Double, val y: Double, val z: Double) :
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FieldElement<Quaternion, Quaternion, QuaternionField>,
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FieldElement<Quaternion, Quaternion, QuaternionField>, Comparable<Quaternion> {
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Comparable<Quaternion> {
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public constructor(w: Number, x: Number, y: Number, z: Number) : this(
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public constructor(w: Number, x: Number, y: Number, z: Number) : this(
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w.toDouble(),
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w.toDouble(),
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x.toDouble(),
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x.toDouble(),
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@ -240,10 +239,19 @@ public data class Quaternion(val w: Double, val x: Double, val y: Double, val z:
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* Creates a quaternion with real part equal to this real.
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* Creates a quaternion with real part equal to this real.
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*
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*
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* @receiver the real part.
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* @receiver the real part.
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* @return the new quaternion.
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* @return a new quaternion.
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*/
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*/
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public fun Number.toQuaternion(): Quaternion = Quaternion(this, 0, 0, 0)
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public fun Number.toQuaternion(): Quaternion = Quaternion(this, 0, 0, 0)
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/**
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* Creates a quaternion with `w`-component equal to `re`-component of given complex and `x`-component equal to
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* `im`-component of given complex.
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*
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* @receiver the complex number.
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* @return a new quaternion.
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*/
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public fun Complex.toQuaternion(): Quaternion = Quaternion(re, im, 0, 0)
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/**
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/**
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* Creates a new buffer of quaternions with the specified [size], where each element is calculated by calling the
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* Creates a new buffer of quaternions with the specified [size], where each element is calculated by calling the
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* specified [init] function.
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* specified [init] function.
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