#cumulativeSum

Returns one running total per input value.

import { Arith } from "@teakit/arith";

Arith.cumulativeSum(["1", "2", "3"]).map((x) => x.toString()); // ["1", "3", "6"]
Arith.cumulativeSum(["1.1", "-0.1", "2"]).map((x) => x.toString()); // ["1.1", "1", "3"]
Arith.cumulativeSum([]); // []

#API Reference

#Signature

Arith.cumulativeSum(values: readonly ArithValue[]): ArithInstance[];

#Parameters

#Returns

Returns an ArithInstance[] with the same length as values.

#Throws

• Throws if values is not an array.
• Throws if any value is non-finite.

#Agent Contract

#Agent Notes

• Empty input returns [].
• Use this for running balances or cumulative report rows.