Source code for naginterfaces.library.examples.sum.convcorr_real_ex

#!/usr/bin/env python3
"``naginterfaces.library.sum.convcorr_real`` Python Example."

# NAG Copyright 2017-2019.

# pylint: disable=invalid-name

from naginterfaces.library import sum as summ

def main():
    """
    Example for :func:`naginterfaces.library.sum.convcorr_real`.

    Circular convolution or correlation of two real vectors.

    >>> main()
    naginterfaces.library.sum.convcorr_real Python Example Results.
    Circular convolution of two real vectors.
    Convolution:
    (2.000000, 2.000000, 2.000000, 2.000000, 2.000000).
    """

    print('naginterfaces.library.sum.convcorr_real Python Example Results.')
    print('Circular convolution of two real vectors.')

    x = [1.0, 1.0, 1.0, 1.0, 1.0]
    y = [0.5, 0.5, 0.5, 0.5, 0.0]

    job = 1
    conv_x = summ.convcorr_real(job, x, y).x

    print('Convolution:')
    print(
        '(' +
        ', '.join(['{:f}'.format(xi) for xi in conv_x]) +
        ').'
    )

if __name__ == '__main__':
    import doctest
    import sys
    sys.exit(
        doctest.testmod(
            None, verbose=True, report=False,
            optionflags=doctest.REPORT_NDIFF,
        ).failed
    )