2018-10-12 11:18:55 +03:00
1 changed files with 3 additions and 0 deletions
--- a/kmath-common/src/main/kotlin/scientifik/kmath/operations/Algebra.kt
+++ b/kmath-common/src/main/kotlin/scientifik/kmath/operations/Algebra.kt
@ -104,6 +104,9 @@ interface Field<T> : Ring<T> {

    operator fun T.plus(b: Number) = this.plus(b * one)
    operator fun Number.plus(b: T) = b + this
+
+    operator fun T.minus(b: Number) = this.minus(b * one)
+    operator fun Number.minus(b: T) = -b + this
 }

 /**