Added simplicial_polytopic_number.rs and rising_factorial.rs to /src/…

[0x5A69656C]

…math

Pull Request Template

Description

simplcial_polytopic_number.rs is meant to replace triangular_number.rs and tetrahedral_number.rs.

I added simplicial_polytopic_number.rs and rising_factorial.rs to /src/math/.
Simplicial polytopic numbers are a family of sequences of figurate numbers corresponding to the d-dimensionsal simplex for each dimensional simplex for each dimension d, where d is a nonnegative integer.

Rising factorials are defined as the polynomial
(x)_n = x(x + 1)(x + 2)...(x + n - 1)

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Checklist:

• I ran bellow commands using the latest version of rust nightly.
• I ran cargo clippy --all -- -D warnings just before my last commit and fixed any issue that was found.
• I ran cargo fmt just before my last commit.
• I ran cargo test just before my last commit and all tests passed.
• I added my algorithm to the corresponding mod.rs file within its own folder, and in any parent folder(s).
• I added my algorithm to DIRECTORY.md with the correct link.
• I checked COUNTRIBUTING.md and my code follows its guidelines.

Please make sure that if there is a test that takes too long to run ( > 300ms), you #[ignore] that or
try to optimize your code or make the test easier to run. We have this rule because we have hundreds of
tests to run; If each one of them took 300ms, we would have to wait for a long time.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.32%. Comparing base (4eec0b7) to head (ab7b332).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #898   +/-   ##
=======================================
  Coverage   95.32%   95.32%           
=======================================
  Files         319      321    +2     
  Lines       20807    20830   +23     
=======================================
+ Hits        19834    19857   +23     
  Misses        973      973           

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[github-actions]

This pull request has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[0x5A69656C]

Commit 62d80eb is a mistake that was not meant to be pushed.

[github-actions]

This pull request has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

Please ping one of the maintainers once you commit the changes requested or make improvements on the code. If this is not the case and you need some help, feel free to ask for help in our Gitter channel. Thank you for your contributions!