文件列表:

LICENSE.txt (11558, 2015-05-06)
MANIFEST.in (30, 2015-05-06)
docs (0, 2015-05-06)
docs\Makefile (6770, 2015-05-06)
docs\conf.py (10621, 2015-05-06)
docs\eulerlib.rst (868, 2015-05-06)
docs\index.rst (521, 2015-05-06)
docs\make.bat (6705, 2015-05-06)
docs\modules.rst (61, 2015-05-06)
eulerlib (0, 2015-05-06)
eulerlib\__init__.py (962, 2015-05-06)
eulerlib\_exceptions.py (1035, 2015-05-06)
eulerlib\_tests (0, 2015-05-06)
eulerlib\_tests\__init__.py (662, 2015-05-06)
eulerlib\_tests\test_eulerlib.py (5869, 2015-05-06)
eulerlib\etc.py (9950, 2015-05-06)
eulerlib\fibonacci.py (3424, 2015-05-06)
eulerlib\numtheory.py (12633, 2015-05-06)
eulerlib\prime_numbers.py (5942, 2015-05-06)
eulerlib\pythagoras.py (2265, 2015-05-06)
setup.py (1809, 2015-05-06)

EulerLib ******** `eulerlib`__ is a library of recreational mathematics and number theory related functions inspired by `Project Euler`_. Available functions include: * Prime number generation * Divisor functions (sigma functions) * Euler's totient function * Greatest Common Divisor (GCD) using Euclid's algorithm * Least Common Multiple (LCM) * Integer square root * Fibonacci numbers * Pandigital numbers * Palindrome numbers * Pythagorean triples Functions from this library can be used to solve recreational mathematics and programming problems such as problems in Project Euler. Installation ------------ `eulerlib`__ is avalaible through Python Package Index (`PyPI`_) using `pip`_. :: >>> pip install --upgrade eulerlib To uninstall using `pip`_. :: >>> pip uninstall eulerlib Usage ----- In Python console you can import functions/classes from eulerlib as needed. :: >>> from eulerlib import primes >>> p10 = primes(10) >>> print(p10) [2, 3, 5, 7] The *Divisors* class implements functions related to prime factorization, sigma functions etc. :: >>> from eulerlib import Divisors >>> mydiv = Divisors(10000) >>> div84 = mydiv.divisors(84) #divisors of 84 >>> print(div84) [1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84] >>> pf840 = mydiv.prime_factors(840) # prime factors of 840 >>> print(pf840) [(2, 3), (3, 1), (5, 1), (7, 1)] **Example**: Solved `Project Euler`_ `problem 3`_. :: from eulerlib import is_square, primes #get approximate square root of number since #largest prime factor < sq. root (is_sq, sqroot) = is_square(600851475143L) #get a list of primes less than the approx. square root. test_primes = primes(sqroot + 1L) #test the primes from the list to find the largest factor len_p = len(test_primes) for i in range(1,len_p+1): j = 0 - i test_fact = test_primes[j] if 600851475143L%test_fact == 0: break answer = test_fact #Set the answer See complete `documentation`_. Modules ------- +----------------+------------------------------------------------------------+ |prime_numbers.py| Functions to generate lists of primes. | +----------------+------------------------------------------------------------+ |numtheory.py | * Euler's divisor functions (sigma funtions) | | | * Euler's totient function (phi function) | | | * Prime factors of a number | | | * Divisors of a number | | | * Greatest Common Divisor (GCD) | | | * Least Common Multiple (LCM) | | | * Digital root and digital sum of a number | +----------------+------------------------------------------------------------+ |fibonacci.py | Functions related to the Fibonacci sequence. | +----------------+------------------------------------------------------------+ |pythagoras.py | Functions related to Pythagorean triples. | +----------------+------------------------------------------------------------+ |etc.py | Miscellaneous functions: | | | | | | * Pandigital numbers | | | * Conversion from decimal to base n (2-36) | | | * Number to lists and vice versa | | | * Palindrome numbers | +----------------+------------------------------------------------------------+ Development ----------- Source code repositories (`GitHub`_, `BitBucket`_) are available. `Bug reports`_ and suggestions are most welcome. License ------- eulerlib is licensed under `Apache License 2.0`_. .. _Project Euler: https://projecteuler.net .. _PyPI: https://pypi.python.org/pypi .. _pip: https://pip.pypa.io .. _Apache License 2.0: https://www.apache.org/licenses/LICENSE-2.0.html .. _problem 3: https://projecteuler.net/problem=3 .. _GitHub: https://github.com/transmogrifier/eulerlib .. _BitBucket: https://bitbucket.org/transmogrifier/eulerlib .. _Bug reports: https://github.com/transmogrifier/eulerlib/issues .. _documentation: http://pythonhosted.org/eulerlib .. _eulerlib1: https://pypi.python.org/pypi/eulerlib __ eulerlib1_ __ eulerlib1_

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