kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DifferentiableExpression.kt

@@ -28,7 +28,7 @@ public fun <T, R : Expression<T>> DifferentiableExpression<T, R>.derivative(name
 /**
  * A [DifferentiableExpression] that defines only first derivatives
  */
-public abstract class FirstDerivativeExpression<T, R : Expression<T>> : DifferentiableExpression<T,R> {
+public abstract class FirstDerivativeExpression<T, R : Expression<T>> : DifferentiableExpression<T, R> {
     /**
      * Returns first derivative of this expression by given [symbol].
      */

kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/Expression.kt

@@ -95,7 +95,7 @@ public fun <T, E> ExpressionAlgebra<T, E>.bindSymbol(symbol: Symbol): E =
 /**
  * A delegate to create a symbol with a string identity in this scope
  */
-public val symbol: ReadOnlyProperty<Any?, Symbol>  = ReadOnlyProperty { _, property ->
+public val symbol: ReadOnlyProperty<Any?, Symbol> = ReadOnlyProperty { _, property ->
     StringSymbol(property.name)
 }
 

kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/FunctionalExpressionAlgebra.kt

@@ -98,7 +98,7 @@ public open class FunctionalExpressionRing<T, A : Ring<T>>(
         super<FunctionalExpressionGroup>.binaryOperationFunction(operation)
 }
 
-public open class FunctionalExpressionField<T, A:  Field<T>>(
+public open class FunctionalExpressionField<T, A : Field<T>>(
     algebra: A,
 ) : FunctionalExpressionRing<T, A>(algebra), Field<Expression<T>>,
     ScaleOperations<Expression<T>> {

kmath-core/src/commonMain/kotlin/space/kscience/kmath/linear/BufferedLinearSpace.kt

@@ -48,7 +48,7 @@ public class BufferedLinearSpace<T : Any, A : Ring<T>>(
     override fun Matrix<T>.dot(other: Matrix<T>): Matrix<T> {
         require(colNum == other.rowNum) { "Matrix dot operation dimension mismatch: ($rowNum, $colNum) x (${other.rowNum}, ${other.colNum})" }
         return elementAlgebra {
-            val rows = this@dot.rows.map{it.linearize()}
+            val rows = this@dot.rows.map { it.linearize() }
             val columns = other.columns.map { it.linearize() }
             buildMatrix(rowNum, other.colNum) { i, j ->
                 val r = rows[i]

kmath-core/src/commonMain/kotlin/space/kscience/kmath/linear/LinearSpace.kt

@@ -175,7 +175,7 @@ public interface LinearSpace<T : Any, out A : Ring<T>> {
         public fun <T : Any, A : Ring<T>> buffered(
             algebra: A,
             bufferFactory: BufferFactory<T> = Buffer.Companion::boxing,
-        ): LinearSpace<T, A> = BufferedLinearSpace(algebra,bufferFactory)
+        ): LinearSpace<T, A> = BufferedLinearSpace(algebra, bufferFactory)
 
         public val real: LinearSpace<Double, RealField> = buffered(RealField, ::RealBuffer)
 

kmath-core/src/commonMain/kotlin/space/kscience/kmath/linear/VirtualMatrix.kt

@@ -10,7 +10,7 @@ import space.kscience.kmath.nd.NDStructure
 public class VirtualMatrix<T : Any>(
     override val rowNum: Int,
     override val colNum: Int,
-    public val generator: (i: Int, j: Int) -> T
+    public val generator: (i: Int, j: Int) -> T,
 ) : Matrix<T> {
 
     override val shape: IntArray get() = intArrayOf(rowNum, colNum)

kmath-core/src/commonMain/kotlin/space/kscience/kmath/nd/NDAlgebra.kt

@@ -19,7 +19,7 @@ public class ShapeMismatchException(public val expected: IntArray, public val ac
  * @param C the type of the element context.
  * @param N the type of the structure.
  */
-public interface NDAlgebra<T, C: Algebra<T>> {
+public interface NDAlgebra<T, C : Algebra<T>> {
     /**
      * The shape of ND-structures this algebra operates on.
      */
@@ -65,11 +65,12 @@ public interface NDAlgebra<T, C: Algebra<T>> {
  * @param structures the structures to check.
  * @return the array of valid structures.
  */
-internal fun <T, C: Algebra<T>> NDAlgebra<T, C>.checkShape(vararg structures: NDStructure<T>): Array<out NDStructure<T>> = structures
-    .map(NDStructure<T>::shape)
-    .singleOrNull { !shape.contentEquals(it) }
-    ?.let<IntArray, Array<out NDStructure<T>>> { throw ShapeMismatchException(shape, it) }
-    ?: structures
+internal fun <T, C : Algebra<T>> NDAlgebra<T, C>.checkShape(vararg structures: NDStructure<T>): Array<out NDStructure<T>> =
+    structures
+        .map(NDStructure<T>::shape)
+        .singleOrNull { !shape.contentEquals(it) }
+        ?.let<IntArray, Array<out NDStructure<T>>> { throw ShapeMismatchException(shape, it) }
+        ?: structures
 
 /**
  * Checks if given element is consistent with this context.
@@ -77,7 +78,7 @@ internal fun <T, C: Algebra<T>> NDAlgebra<T, C>.checkShape(vararg structures: ND
  * @param element the structure to check.
  * @return the valid structure.
  */
-internal fun <T, C: Algebra<T>> NDAlgebra<T, C>.checkShape(element: NDStructure<T>): NDStructure<T> {
+internal fun <T, C : Algebra<T>> NDAlgebra<T, C>.checkShape(element: NDStructure<T>): NDStructure<T> {
     if (!element.shape.contentEquals(shape)) throw ShapeMismatchException(shape, element.shape)
     return element
 }

kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/AlgebraElements.kt

@@ -41,7 +41,7 @@ public interface AlgebraElement<T, C : Algebra<T>> {
  */
 @UnstableKMathAPI
 public operator fun <T : AlgebraElement<T, S>, S : NumbersAddOperations<T>> T.minus(b: T): T =
-    context.add(this, context.run { -b})
+    context.add(this, context.run { -b })
 
 /**
  * Adds element to this one.

kmath-core/src/commonMain/kotlin/space/kscience/kmath/operations/algebraExtensions.kt

@@ -71,7 +71,7 @@ public fun <T> Sequence<T>.sumWith(space: Group<T>): T = space.sum(this)
  * @return the average value.
  * @author Iaroslav Postovalov
  */
-public fun <T, S> Iterable<T>.averageWith(space: S): T  where S : Group<T>, S : ScaleOperations<T>  =
+public fun <T, S> Iterable<T>.averageWith(space: S): T where S : Group<T>, S : ScaleOperations<T> =
     space.average(this)
 
 /**
@@ -82,7 +82,7 @@ public fun <T, S> Iterable<T>.averageWith(space: S): T  where S : Group<T>, S :
  * @return the average value.
  * @author Iaroslav Postovalov
  */
-public fun <T, S> Sequence<T>.averageWith(space: S): T  where S : Group<T>, S : ScaleOperations<T>  =
+public fun <T, S> Sequence<T>.averageWith(space: S): T where S : Group<T>, S : ScaleOperations<T> =
     space.average(this)
 
 //TODO optimized power operation

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/BufferAccessor2D.kt

@@ -13,10 +13,10 @@ internal class BufferAccessor2D<T : Any>(
     public val colNum: Int,
     val factory: MutableBufferFactory<T>,
 ) {
-    public operator fun Buffer<T>.get(i: Int, j: Int): T = get(i*colNum + j)
+    public operator fun Buffer<T>.get(i: Int, j: Int): T = get(i * colNum + j)
 
     public operator fun MutableBuffer<T>.set(i: Int, j: Int, value: T) {
-        set(i*colNum + j, value)
+        set(i * colNum + j, value)
     }
 
     public inline fun create(crossinline init: (i: Int, j: Int) -> T): MutableBuffer<T> =

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/FloatBuffer.kt

@@ -38,7 +38,7 @@ public fun FloatBuffer(vararg floats: Float): FloatBuffer = FloatBuffer(floats)
 /**
  * Returns a new [FloatArray] containing all of the elements of this [Buffer].
  */
-public fun Buffer<Float>.toFloatArray(): FloatArray = when(this) {
+public fun Buffer<Float>.toFloatArray(): FloatArray = when (this) {
     is FloatBuffer -> array.copyOf()
     else -> FloatArray(size, ::get)
 }

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/IntBuffer.kt

@@ -37,7 +37,7 @@ public fun IntBuffer(vararg ints: Int): IntBuffer = IntBuffer(ints)
 /**
  * Returns a new [IntArray] containing all of the elements of this [Buffer].
  */
-public fun Buffer<Int>.toIntArray(): IntArray = when(this) {
+public fun Buffer<Int>.toIntArray(): IntArray = when (this) {
     is IntBuffer -> array.copyOf()
     else -> IntArray(size, ::get)
 }

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/LongBuffer.kt

@@ -37,7 +37,7 @@ public fun LongBuffer(vararg longs: Long): LongBuffer = LongBuffer(longs)
 /**
  * Returns a new [LongArray] containing all of the elements of this [Buffer].
  */
-public fun Buffer<Long>.toLongArray(): LongArray = when(this) {
+public fun Buffer<Long>.toLongArray(): LongArray = when (this) {
     is LongBuffer -> array.copyOf()
     else -> LongArray(size, ::get)
 }

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/MemoryBuffer.kt

@@ -24,7 +24,7 @@ public open class MemoryBuffer<T : Any>(protected val memory: Memory, protected
         public inline fun <T : Any> create(
             spec: MemorySpec<T>,
             size: Int,
-            initializer: (Int) -> T
+            initializer: (Int) -> T,
         ): MemoryBuffer<T> = MutableMemoryBuffer(Memory.allocate(size * spec.objectSize), spec).also { buffer ->
             (0 until size).forEach { buffer[it] = initializer(it) }
         }
@@ -53,7 +53,7 @@ public class MutableMemoryBuffer<T : Any>(memory: Memory, spec: MemorySpec<T>) :
         public inline fun <T : Any> create(
             spec: MemorySpec<T>,
             size: Int,
-            initializer: (Int) -> T
+            initializer: (Int) -> T,
         ): MutableMemoryBuffer<T> = MutableMemoryBuffer(Memory.allocate(size * spec.objectSize), spec).also { buffer ->
             (0 until size).forEach { buffer[it] = initializer(it) }
         }

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/RealBuffer.kt

@@ -42,7 +42,7 @@ public fun RealBuffer.contentEquals(vararg doubles: Double): Boolean = array.con
 /**
  * Returns a new [DoubleArray] containing all of the elements of this [Buffer].
  */
-public fun Buffer<Double>.toDoubleArray(): DoubleArray = when(this) {
+public fun Buffer<Double>.toDoubleArray(): DoubleArray = when (this) {
     is RealBuffer -> array.copyOf()
     else -> DoubleArray(size, ::get)
 }

kmath-core/src/commonMain/kotlin/space/kscience/kmath/structures/ShortBuffer.kt

@@ -35,7 +35,7 @@ public fun ShortBuffer(vararg shorts: Short): ShortBuffer = ShortBuffer(shorts)
 /**
  * Returns a new [ShortArray] containing all of the elements of this [Buffer].
  */
-public fun Buffer<Short>.toShortArray(): ShortArray = when(this) {
+public fun Buffer<Short>.toShortArray(): ShortArray = when (this) {
     is ShortBuffer -> array.copyOf()
     else -> ShortArray(size, ::get)
 }

kmath-core/src/commonTest/kotlin/space/kscience/kmath/linear/RealLUSolverTest.kt

@@ -17,7 +17,7 @@ class RealLUSolverTest {
     @Test
     fun testDecomposition() {
         LinearSpace.real.run {
-            val matrix = matrix(2,2)(
+            val matrix = matrix(2, 2)(
                 3.0, 1.0,
                 2.0, 3.0
             )
@@ -33,14 +33,14 @@ class RealLUSolverTest {
 
     @Test
     fun testInvert() {
-        val matrix = LinearSpace.real.matrix(2,2)(
+        val matrix = LinearSpace.real.matrix(2, 2)(
             3.0, 1.0,
             1.0, 3.0
         )
 
         val inverted = LinearSpace.real.inverseWithLup(matrix)
 
-        val expected = LinearSpace.real.matrix(2,2)(
+        val expected = LinearSpace.real.matrix(2, 2)(
             0.375, -0.125,
             -0.125, 0.375
         )

kmath-core/src/commonTest/kotlin/space/kscience/kmath/structures/NumberNDFieldTest.kt

@@ -11,7 +11,7 @@ import kotlin.test.assertEquals
 
 @Suppress("UNUSED_VARIABLE")
 class NumberNDFieldTest {
-    val algebra = NDAlgebra.real(3,3)
+    val algebra = NDAlgebra.real(3, 3)
     val array1 = algebra.produce { (i, j) -> (i + j).toDouble() }
     val array2 = algebra.produce { (i, j) -> (i - j).toDouble() }