Conversion of a rational number to a representation in any base. Any rational number can be represented as a repeating sequence in any base. Any integer is representable as a terminating sequence in any base.
This facility does not seem to exist in standard Python numerical packages or standard Python symbolic computation packages. Most likely that is because it falls between the two, as it is precise numerical computation, but involves a symbolic component, the possibly repeating sequence of digits.
The complexity of operations that perform division in an arbitrary base can be quite high. Most methods are annotated with an estimate of their expected complexity in terms of the number of Python operations that they make use of. No differentiation is made among different Python operations. With respect to division in an arbitrary base, the complexity is bounded by the value of the divisor, unless a precision limit is set.
allyourbase: https://pypi.python.org/pypi/allyourbase
Converts a variety of numeric types to str in arbitrary bases. Does not require one character to digit encoding, uses a digit separator. Requires rounding, does not do precise conversion, but does do conversion to any specified precision.
python-baseconv: https://pypi.python.org/pypi/python-baseconv
Converts an int to a string using a one character to digit encoding. Also converts in the opposite direction. Does not handle arbitrary rationals and does not really handle conversion to large bases, e.g., 1024, as such conversion would require 1024 distinct characters.
python-radix: https://pypi.python.org/pypi/python-radix
Does not handle arbitrary bases. Converts int or int as str to str.
numpy: http://docs.scipy.org/doc/numpy/reference/
Converts int to str in bases between 2 and 36.
Downstream packagers, if incorporating testing into their packaging, are encouraged to use only the tests in the test_deterministic module, to avoid testing failures that may arise due to the non-deterministic behavior of Hypothesis tests.
FAQs
"conversion of ints and rationals to any base"
We found that justbases demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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