Deprecate floating point to integral types lesser than Int #KT-30360

core/builtins/native/kotlin/Primitives.kt

@@ -1144,6 +1144,7 @@ public class Float private constructor() : Number(), Comparable<Float> {
      *
      * The resulting `Byte` value is equal to `this.toInt().toByte()`.
      */
+    @Deprecated("Unclear conversion. To achieve the same result convert to Int explicitly and then to Byte.", ReplaceWith("toInt().toByte()"))
     public override fun toByte(): Byte
     /**
      * Converts this [Float] value to [Char].
@@ -1156,6 +1157,7 @@ public class Float private constructor() : Number(), Comparable<Float> {
      *
      * The resulting `Short` value is equal to `this.toInt().toShort()`.
      */
+    @Deprecated("Unclear conversion. To achieve the same result convert to Int explicitly and then to Short.", ReplaceWith("toInt().toShort()"))
     public override fun toShort(): Short
     /**
      * Converts this [Float] value to [Int].
@@ -1362,6 +1364,7 @@ public class Double private constructor() : Number(), Comparable<Double> {
      *
      * The resulting `Byte` value is equal to `this.toInt().toByte()`.
      */
+    @Deprecated("Unclear conversion. To achieve the same result convert to Int explicitly and then to Byte.", ReplaceWith("toInt().toByte()"))
     public override fun toByte(): Byte
     /**
      * Converts this [Double] value to [Char].
@@ -1374,6 +1377,7 @@ public class Double private constructor() : Number(), Comparable<Double> {
      *
      * The resulting `Short` value is equal to `this.toInt().toShort()`.
      */
+    @Deprecated("Unclear conversion. To achieve the same result convert to Int explicitly and then to Short.", ReplaceWith("toInt().toShort()"))
     public override fun toShort(): Short
     /**
      * Converts this [Double] value to [Int].