Add more tests and improve current, fix type stack underflow exception

kmath-ast/src/jvmMain/kotlin/scientifik/kmath/asm/internal/AsmBuilder.kt

@@ -368,7 +368,7 @@ internal class AsmBuilder<T> internal constructor(
         tArity: Int,
         opcode: Int = Opcodes.INVOKEINTERFACE
     ) {
-        repeat(tArity) { typeStack.pop() }
+        repeat(tArity) { if (!typeStack.empty()) typeStack.pop() }
 
         invokeMethodVisitor.visitMethodInsn(
             opcode,

kmath-ast/src/jvmTest/kotlin/scietifik/kmath/asm/TestAsmAlgebras.kt

@@ -1,9 +1,12 @@
 package scietifik.kmath.asm
 
 import scientifik.kmath.asm.compile
+import scientifik.kmath.ast.mstInField
+import scientifik.kmath.ast.mstInRing
 import scientifik.kmath.ast.mstInSpace
 import scientifik.kmath.expressions.invoke
 import scientifik.kmath.operations.ByteRing
+import scientifik.kmath.operations.RealField
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -45,65 +48,63 @@ class TestAsmAlgebras {
         assertEquals(res1, res2)
     }
 
-//    @Test
+    @Test
-//    fun space() {
+    fun ring() {
-//        val res = ByteRing.asm {
+        val res1 = ByteRing.mstInRing {
-//            binaryOperation(
+            binaryOperation(
-//                "+",
+                "+",
-//
+
-//                unaryOperation(
+                unaryOperation(
-//                    "+",
+                    "+",
-//                    3.toByte() - (2.toByte() + (multiply(
+                    (symbol("x") - (2.toByte() + (multiply(
-//                        add(number(1), number(1)),
+                        add(number(1), number(1)),
-//                        2
+                        2
-//                    ) + 1.toByte()) * 3.toByte() - 1.toByte())
+                    ) + 1.toByte()))) * 3.0 - 1.toByte()
-//                ),
+                ),
-//
+
-//                number(1)
+                number(1)
-//            ) + symbol("x") + zero
+            ) * number(2)
-//        }("x" to 2.toByte())
+        }("x" to 3.toByte())
-//
+
-//        assertEquals(16, res)
+        val res2 = ByteRing.mstInRing {
-//    }
+            binaryOperation(
-//
+                "+",
-//    @Test
+
-//    fun ring() {
+                unaryOperation(
-//        val res = ByteRing.asmInRing {
+                    "+",
-//            binaryOperation(
+                    (symbol("x") - (2.toByte() + (multiply(
-//                "+",
+                        add(number(1), number(1)),
-//
+                        2
-//                unaryOperation(
+                    ) + 1.toByte()))) * 3.0 - 1.toByte()
-//                    "+",
+                ),
-//                    (3.toByte() - (2.toByte() + (multiply(
+
-//                        add(const(1), const(1)),
+                number(1)
-//                        2
+            ) * number(2)
-//                    ) + 1.toByte()))) * 3.0 - 1.toByte()
+        }.compile()("x" to 3.toByte())
-//                ),
+
-//
+        assertEquals(res1, res2)
-//                number(1)
+    }
-//            ) * const(2)
+
-//        }()
+    @Test
-//
+    fun field() {
-//        assertEquals(24, res)
+        val res1 = RealField.mstInField {
-//    }
+            +(3 - 2 + 2 * number(1) + 1.0) + binaryOperation(
-//
+                "+",
-//    @Test
+                (3.0 - (symbol("x") + (multiply(add(number(1.0), number(1.0)), 2) + 1.0))) * 3 - 1.0
-//    fun field() {
+                        + number(1),
-//        val res = RealField.asmInField {
+                1 / 2 + number(2.0) * one
-//            +(3 - 2 + 2*(number(1)+1.0)
+            )
-//
+        }("x" to 2.0)
-//                unaryOperation(
+
-//                    "+",
+        val res2 = RealField.mstInField {
-//                    (3.0 - (2.0 + (multiply(
+            +(3 - 2 + 2 * number(1) + 1.0) + binaryOperation(
-//                        add((1.0), const(1.0)),
+                "+",
-//                        2
+                (3.0 - (symbol("x") + (multiply(add(number(1.0), number(1.0)), 2) + 1.0))) * 3 - 1.0
-//                    ) + 1.0))) * 3 - 1.0
+                        + number(1),
-//                )+
+                1 / 2 + number(2.0) * one
-//
+            )
-//                number(1)
+        }.compile()("x" to 2.0)
-//            ) / 2, const(2.0)) * one
+
-//        }()
+        assertEquals(res1, res2)
-//
+    }
-//        assertEquals(3.0, res)
-//    }
 }

kmath-ast/src/jvmTest/kotlin/scietifik/kmath/asm/TestAsmExpressions.kt

@@ -16,6 +16,13 @@ class TestAsmExpressions {
         assertEquals(-2.0, res)
     }
 
+    @Test
+    fun testBinaryOperationInvocation() {
+        val expression = RealField.mstInSpace { -symbol("x") + number(1.0) }.compile()
+        val res = expression("x" to 2.0)
+        assertEquals(-1.0, res)
+    }
+
     @Test
     fun testConstProductInvocation() {
         val res = RealField.mstInField { symbol("x") * 2 }("x" to 2.0)

kmath-ast/src/jvmTest/kotlin/scietifik/kmath/ast/AsmTest.kt

@@ -1,7 +1,10 @@
 package scietifik.kmath.ast
 
-import scientifik.kmath.ast.evaluate
+import scientifik.kmath.asm.compile
+import scientifik.kmath.asm.expression
+import scientifik.kmath.ast.mstInField
 import scientifik.kmath.ast.parseMath
+import scientifik.kmath.expressions.invoke
 import scientifik.kmath.operations.Complex
 import scientifik.kmath.operations.ComplexField
 import kotlin.test.Test
@@ -9,9 +12,15 @@ import kotlin.test.assertEquals
 
 class AsmTest {
     @Test
-    fun parsedExpression() {
+    fun `compile MST`() {
         val mst = "2+2*(2+2)".parseMath()
-        val res = ComplexField.evaluate(mst)
+        val res = ComplexField.expression(mst)()
+        assertEquals(Complex(10.0, 0.0), res)
+    }
+
+    @Test
+    fun `compile MSTExpression`() {
+        val res = ComplexField.mstInField { number(2) + number(2) * (number(2) + number(2)) }.compile()()
         assertEquals(Complex(10.0, 0.0), res)
     }
 }

kmath-ast/src/jvmTest/kotlin/scietifik/kmath/ast/ParserTest.kt

@@ -1,17 +1,25 @@
 package scietifik.kmath.ast
 
 import scientifik.kmath.ast.evaluate
+import scientifik.kmath.ast.mstInField
 import scientifik.kmath.ast.parseMath
+import scientifik.kmath.expressions.invoke
 import scientifik.kmath.operations.Complex
 import scientifik.kmath.operations.ComplexField
-import kotlin.test.assertEquals
 import kotlin.test.Test
+import kotlin.test.assertEquals
 
 internal class ParserTest {
     @Test
-    fun parsedExpression() {
+    fun `evaluate MST`() {
         val mst = "2+2*(2+2)".parseMath()
         val res = ComplexField.evaluate(mst)
         assertEquals(Complex(10.0, 0.0), res)
     }
+
+    @Test
+    fun `evaluate MSTExpression`() {
+        val res = ComplexField.mstInField { number(2) + number(2) * (number(2) + number(2)) }()
+        assertEquals(Complex(10.0, 0.0), res)
+    }
 }