calculate.py

import numpy as np
from statistics import mean, stdev
import math

class Calculate():

    def error(base, e, method='auto'):
        v = [base, e]

        if method == 'auto':
            method = 'perc'

        if method == 'diff':
            return max(v) - min(v)
        if method == 'perc':
            return "{0:.4f} %".format(100 * (1 - (min(v) / max(v))))
        if method == 'log2':
            return int(np.log2(1 - (min(v) / max(v))))

        return Calculate.error(base, e)

    def score(base, e, method='auto'):
        v = [base, e]

        if method == 'auto':
            method = 'log2'

        if method == 'perc':
            return "{0:.4f} %".format(100 * (min(v) / max(v)))

        if method == 'log2':
            if min(v) == max(v):
                return 32

            return -int(np.log2(1 - (min(v) / max(v))))

        return Calculate.score(base, e)

    def stats(data):
        s = {}
        s['min'] = min(data)
        s['max'] = max(data)
        s['avg'] = mean(data)
        s['dev'] = 0 if len(data) == 1 else stdev(data)
        s['data'] = data

        return s