my-psb/stackex-examples/linttest02.py

53 lines
998 B
Python

#!/usr/bin/env python2
# by Daniel Rosengren, modified by e-satis
"""
Module doctring
https://stackoverflow.com/a/1429145/6709630
"""
import time
from sys import stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
def mandelbrot(dim_1, dim_2):
"""
function doc string
"""
cr1 = dim_1 - 0.5
ci1 = dim_2
zi1 = 0.0
zr1 = 0.0
for i in xrange(MAX_ITERATIONS) :
temp = zr1 * zi1
zr2 = zr1 * zr1
zi2 = zi1 * zi1
zr1 = zr2 - zi2 + cr1
zi1 = temp + temp + ci1
if zi2 + zr2 > BAILOUT:
return i
return 0
def execute() :
"""
func doc string
"""
print 'Rendering...'
for dim_1 in xrange(-39, 39):
stdout.write('\n')
for dim_2 in xrange(-39, 39):
if mandelbrot(dim_1/40.0, dim_2/40.0) :
stdout.write(' ')
else:
stdout.write('*')
START_TIME = time.time()
execute()
print '\nPython Elapsed %.02f' % (time.time() - START_TIME)