// SPDX-License-Identifier: MIT
// Copyright (c) "2023" . The DeepCausality Authors. All Rights Reserved.
use Sum;
use Add;
use crate NumericalValue;
pub const ZERO: NumericalValue = 0.0;
pub const MINUS_ONE: NumericalValue = -1.0;
/// returns the absolute value of a numerical value
/// Returns the sum of all elements in an iterable.