def timeTrial(n):
a = stdarray.create1D(n, 0)
for i in range(n):
a[i] = stdrandom.uniformInt(-1000000, 1000000)
watch = Stopwatch()
count = threesum.countTriples(a)
return watch.elapsedTime()
def timeTrial(n):
a = stdarray.create1D(n, 0)
for i in range(n):
a[i] = stdrandom.uniformInt(-1000000, 1000000)
watch = Stopwatch()
count = threesum.countTriples(a)
return watch.elapsedTime()
def timeTrials(f, n, trials):
total = 0.0
a = stdarray.create1D(n, 0.0)
for t in range(trials):
for i in range(n):
a[i] = stdrandom.uniformFloat(0.0, 1.0)
watch = Stopwatch()
f(a)
total += watch.elapsedTime()
return total
n = 512
xc = -.5
yc = 0
size = 2
w1 = Stopwatch()
pic = Picture(n, n)
for col in range(n):
for row in range(n):
x0 = xc - (size / 2) + (size * col / n)
y0 = yc - (size / 2) + (size * row / n)
z0 = complex(x0, y0)
gray = MAX - mandel(z0, MAX)
color = Color(gray, gray, gray)
pic.set(col, n - 1 - row, color)
print(w1.elapsedTime())
w2 = Stopwatch()
pic = Picture(n, n)
for col in range(n):
for row in range(n):
x0 = xc - (size / 2) + (size * col / n)
y0 = yc - (size / 2) + (size * row / n)
#z0 = [x0,y0]
gray = MAX - mandel1(x0, y0, MAX)
color = Color(gray, gray, gray)
pic.set(col, n - 1 - row, color)
print(w2.elapsedTime())
stddraw.setCanvasSize(n, n)
stddraw.picture(pic)
