About

Shakuntala Devi's trainer is a brain training tool.

shakuntala-devi-trainer is an EDLA project.

The purpose of edla.org is to promote the state of the art in various domains.

Usage

The goal is to determine the day of the week for a given date.
The technic used by Shakuntala Devi is describe in her book Figuring the Joy of Numbers.
You can see an overview in Tibee's video India's Human Computer or in this livejournal entry

Your answer should be encoded as an integer like described in the book like so : * Sunday 0 * Monday 1 * Tuesday 2 * Wednesday 3 * Thursday 4 * Friday 5 * Saturday 6

If your answer is wrong the program will give you a hint.
Each hint is the result of a step of Shakuntala Devi's algorithm

Developer Notes

• Modulo of negative numbers shows languages in two different camps.
• Rust conveniently allow infinite lazy stream with iterator
• num-traits is required for Weekday::from_u32
• lazy_static is required to provide a singleton HashMap
• By default Rust test programs hide the stdout of successful tests
• Rust built-in test framework does not support parameterized tests

  License

© 2020-2021 Olivier ROLAND. Distributed under the GPLv3 License.