Add curring and update kotlin

kmath-core/src/commonMain/kotlin/kscience/kmath/operations/Algebra.kt

@@ -22,10 +22,22 @@ public interface Algebra<T> {
      */
     public fun unaryOperation(operation: String, arg: T): T
 
+    /**
+     * Currying version of [unaryOperation]
+     */
+    public fun unaryOperationFunction(operation: String): (T) -> T = { unaryOperation(operation, it) }
+
     /**
      * Dynamic call of binary operation [operation] on [left] and [right]
      */
     public fun binaryOperation(operation: String, left: T, right: T): T
+
+    /**
+     * Curring version of [binaryOperation]
+     */
+    public fun binaryOperationFunction(operation: String): (left: T, right: T) -> T = { left, right ->
+        binaryOperation(operation, left, right)
+    }
 }
 
 /**
@@ -45,11 +57,27 @@ public interface NumericAlgebra<T> : Algebra<T> {
     public fun leftSideNumberOperation(operation: String, left: Number, right: T): T =
         binaryOperation(operation, number(left), right)
 
+    /**
+     * Curring version of [leftSideNumberOperation]
+     */
+    public fun leftSideNumberOperationFunction(operation: String): (left: Number, right: T) -> T =
+        { left: Number, right: T ->
+            leftSideNumberOperation(operation, left, right)
+        }
+
     /**
      * Dynamic call of binary operation [operation] on [left] and [right] where right element is [Number].
      */
     public fun rightSideNumberOperation(operation: String, left: T, right: Number): T =
         leftSideNumberOperation(operation, right, left)
+
+    /**
+     * Curring version of [rightSideNumberOperation]
+     */
+    public fun rightSideNumberOperationFunction(operation: String): (left: T, right: Number) -> T =
+        { left: T, right: Number ->
+            rightSideNumberOperation(operation, left, right)
+        }
 }
 
 /**

settings.gradle.kts

@@ -8,8 +8,8 @@ pluginManagement {
         maven("https://dl.bintray.com/kotlin/kotlinx")
     }
 
-    val toolsVersion = "0.7.0"
+    val toolsVersion = "0.7.1"
-    val kotlinVersion = "1.4.20"
+    val kotlinVersion = "1.4.21"
 
     plugins {
         id("kotlinx.benchmark") version "0.2.0-dev-20"