Add public API for WASM codegen

kmath-ast/src/jsMain/kotlin/kscience/kmath/wasm/internal/Initial.kt

@@ -1,4 +1,4 @@
-package kscience.kmath.ast
+package kscience.kmath.wasm.internal
 
 internal val f64StandardFunctions by lazy { Base64.toUint8Array(B) }
 

kmath-ast/src/jsMain/kotlin/kscience/kmath/wasm/internal/WasmBuilder.kt

@@ -1,4 +1,4 @@
-package kscience.kmath.ast
+package kscience.kmath.wasm.internal
 
 import WebAssembly.Instance
 import binaryen.*

kmath-ast/src/jsMain/kotlin/kscience/kmath/wasm/wasm.kt

@@ -0,0 +1,41 @@
+package kscience.kmath.wasm
+
+import kscience.kmath.ast.MST
+import kscience.kmath.ast.MstExpression
+import kscience.kmath.expressions.Expression
+import kscience.kmath.operations.IntRing
+import kscience.kmath.operations.RealField
+import kscience.kmath.wasm.internal.IntWasmBuilder
+import kscience.kmath.wasm.internal.RealWasmBuilder
+
+/**
+ * Compiles an [MST] to WASM in the context of reals.
+ *
+ * @author Iaroslav Postovalov.
+ */
+public fun RealField.expression(mst: MST): Expression<Double> =
+    RealWasmBuilder(mst).instance
+
+/**
+ * Compiles an [MST] to WASM in the context of integers.
+ *
+ * @author Iaroslav Postovalov.
+ */
+public fun IntRing.expression(mst: MST): Expression<Int> =
+    IntWasmBuilder(mst).instance
+
+/**
+ * Optimizes performance of an [MstExpression] using WASM codegen in the context of reals.
+ *
+ * @author Iaroslav Postovalov.
+ */
+public fun MstExpression<Double, RealField>.compile(): Expression<Double> =
+    RealWasmBuilder(mst).instance
+
+/**
+ * Optimizes performance of an [MstExpression] using WASM codegen in the context of integers.
+ *
+ * @author Iaroslav Postovalov.
+ */
+public fun MstExpression<Int, IntRing>.compile(): Expression<Int> =
+    IntWasmBuilder(mst).instance