BVEC
Binary Vector Representation of Signed Integers

BVEC is a Python library which demonstrates how signed integers can be stored as binary vectors, and arithmetic can be performed on them.

Licensing:

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

Languages:

BVEC is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version and a Python version.

Related Data and Programs:

Source Code:

• bvec_add.py, adds two binary vectors.
• bvec_complement2.py, returns the complement of a binary vector.
• bvec_mul.py, multiplies two binary vectors.
• bvec_next.py, returns the next binary vector.
• bvec_next_grlex.py, returns the next binary vector in GRLEX order.
• bvec_print.py, prints a binary vector.
• bvec_sub.py, subtracts two binary vectors.
• bvec_to_i4.py, converts a (signed) binary vector to an integer.
• bvec_uniform.py, returns a random BVEC.
• i4_to_bvec.py, converts an I4 to a (signed) binary vector.
• i4_uniform_ab.py, returns a random I4 in a given range.
• timestamp.py, returns the current YMDHMS date as a timestamp.

Not converted yet:

• bvec_and.py, computes the logical AND of two binary vectors.
• bvec_check.py, checks a binary vector.
• bvec_enum.py, counts the number of binary vectors of a given length.
• bvec_not.py, negates a binary vector.
• bvec_or.py, returns the logical OR of two binary vectors.
• bvec_reverse.py, reverses a binary vector.
• bvec_xor.py, returns the exclusive OR of two binary vectors.

Examples and Tests:

• bvec_test.py, calls all the tests.
• bvec_test.sh, runs all the tests.
• bvec_test_output.txt, the output file.

You can go up one level to the Python source codes.