arbitrary-sum

Description

Provide a simple method for calculating the sum of two numbers without requiring numerical accuracy.

Function List

1. add: (num: number | string, num2: number | string) => string
2. mul: (num: number | string, num2: number | string) => string

Usage

ES-MODULE

import arbitrary from "arbitrary-sum";

arbitrary.add(1, 2); // "3"
arbitrary.add("4.93343872339602720994674446782120942891662941541e111", "-7.74105135757106069303130253921620556602520797e18");
// "4933438723396027209946744467821209428916629415409999999999999999999999999999999999999999999992258948642428939306.96869746078379443397479203"

CommonJS

const arbitrary = require("arbitrary-sum");
arbitrary.add(1, 2); // "3"

UMD

<script src="../dist/arbitrary-sum.min.js"></script>
<script>
  arbitrary.add(1, 2); // "3"
</script>

Other

Other features are under development, please provide feedback.

Source

test\gen_test_case.py

This is a Python file used to generate a large amount of unit test data in bulk.

Test Case

Base Test Case

• "0", "0"
• "0.0", "0.0"
• "0e10", "0E-5"
• "1", "0"
• "-1", "0"
• "1.0", "0.0"
• "1e0", "0"
• "0.1", "0.2"
• "1e-1", "2e-1"
• "9.999e2", "0.001"
• "1e3", "-1"
• "100", "-0.01"
• "-100", "-0.01"
• "123.456", "-123.456"
• "1.23e2", "4.56e1"
• "-5e10", "5e10"
• "1e100", "1e100"
• "1e-100", "2e-100"
• "0.999999999999999999999999999999", "0.000000000000000000000000000001"
• "-0.999999999999999999999999999999", "-0.000000000000000000000000000001"

Other Test Case

Generate test cases through test\gen_test_case.py.

By modifying the 'test_case_count' variable in this file, you can generate a corresponding number of test cases for the test file of the corresponding method.