kmath-complex/src/commonMain/kotlin/kscience/kmath/complex/Complex.kt

@@ -46,8 +46,8 @@ private val PI_DIV_2 = Complex(PI / 2, 0)
  * A field of [Complex].
  */
 public object ComplexField : ExtendedField<Complex>, Norm<Complex, Complex>, RingWithNumbers<Complex> {
-    public override val zero: Complex by lazy { 0.0.toComplex() }
-    public override val one: Complex by lazy { 1.0.toComplex() }
+    public override val zero: Complex = 0.0.toComplex()
+    public override val one: Complex = 1.0.toComplex()
 
     /**
      * The imaginary unit.

kmath-complex/src/commonMain/kotlin/kscience/kmath/complex/Quaternion.kt

@@ -36,23 +36,23 @@ public val Quaternion.r: Double
  */
 public object QuaternionField : Field<Quaternion>, Norm<Quaternion, Quaternion>, PowerOperations<Quaternion>,
     ExponentialOperations<Quaternion>, RingWithNumbers<Quaternion> {
-    override val zero: Quaternion by lazy { 0.toQuaternion() }
-    override val one: Quaternion by lazy { 1.toQuaternion() }
+    override val zero: Quaternion = 0.toQuaternion()
+    override val one: Quaternion = 1.toQuaternion()
 
     /**
      * The `i` quaternion unit.
      */
-    public val i: Quaternion by lazy { Quaternion(0, 1) }
+    public val i: Quaternion = Quaternion(0, 1)
 
     /**
      * The `j` quaternion unit.
      */
-    public val j: Quaternion by lazy { Quaternion(0, 0, 1) }
+    public val j: Quaternion = Quaternion(0, 0, 1)
 
     /**
      * The `k` quaternion unit.
      */
-    public val k: Quaternion by lazy { Quaternion(0, 0, 0, 1) }
+    public val k: Quaternion = Quaternion(0, 0, 0, 1)
 
     public override fun add(a: Quaternion, b: Quaternion): Quaternion =
         Quaternion(a.w + b.w, a.x + b.x, a.y + b.y, a.z + b.z)

kmath-complex/src/commonTest/kotlin/kscience/kmath/complex/ComplexBufferSpecTest.kt

@@ -1,7 +1,6 @@
-package kscience.kmath.structures
+package kscience.kmath.complex
 
-import kscience.kmath.complex.Complex
-import kscience.kmath.complex.complex
+import kscience.kmath.structures.Buffer
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -11,4 +10,4 @@ class ComplexBufferSpecTest {
         val buffer = Buffer.complex(20) { Complex(it.toDouble(), -it.toDouble()) }
         assertEquals(Complex(5.0, -5.0), buffer[5])
     }
-}
+}

kmath-complex/src/commonTest/kotlin/kscience/kmath/complex/ExpressionFieldForComplexTest.kt

@@ -0,0 +1,26 @@
+package kscience.kmath.complex
+
+import kscience.kmath.expressions.FunctionalExpressionField
+import kscience.kmath.expressions.bind
+import kscience.kmath.expressions.invoke
+import kscience.kmath.expressions.symbol
+import kscience.kmath.operations.invoke
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+internal class ExpressionFieldForComplexTest {
+    val x by symbol
+
+    @Test
+    fun testComplex() {
+        val context = FunctionalExpressionField(ComplexField)
+
+        val expression = context {
+            val x = bind(x)
+            x * x + 2 * x + one
+        }
+
+        assertEquals(expression(x to Complex(1.0, 0.0)), Complex(4.0, 0.0))
+        //assertEquals(expression(), Complex(9.0, 0.0))
+    }
+}

kmath-core/build.gradle.kts

@@ -11,12 +11,6 @@ kotlin.sourceSets {
             api(project(":kmath-memory"))
         }
     }
-
-    commonTest {
-        dependencies {
-            api(project(":kmath-complex"))
-        }
-    }
 }
 
 readme {

kmath-core/src/commonTest/kotlin/kscience/kmath/expressions/ExpressionFieldTest.kt

@@ -1,7 +1,6 @@
 package kscience.kmath.expressions
 
 import kscience.kmath.operations.RealField
-import kscience.kmath.complex.*
 import kscience.kmath.operations.invoke
 import kotlin.test.Test
 import kotlin.test.assertEquals
@@ -23,19 +22,6 @@ class ExpressionFieldTest {
         assertFails { expression() }
     }
 
-    @Test
-    fun testComplex() {
-        val context = FunctionalExpressionField(ComplexField)
-
-        val expression = context {
-            val x = bind(x)
-            x * x + 2 * x + one
-        }
-
-        assertEquals(expression(x to Complex(1.0, 0.0)), Complex(4.0, 0.0))
-        //assertEquals(expression(), Complex(9.0, 0.0))
-    }
-
     @Test
     fun separateContext() {
         fun <T> FunctionalExpressionField<T, *>.expression(): Expression<T> {