def test_equality(n):
I_cy = numpy.array(mandel.mandel_cy(n, 100, -2, .5, -1.25, 1.25))
I_py = numpy.array(mandel_py(n, 100, -2, .5, -1.25, 1.25))
diff = I_cy - I_py
if max(numpy.abs(diff.flat)) > 0:
print("Something bifferent. Difference is")
print(diff)
print("Cython matrix:")
print(I_cy)
print("Python matrix:")
print(I_py)
else:
print("Python and Cython results agree for n={}".format(n))
def demo_save_png(n):
print("Computing {} x {} matrix".format(n, n))
# try to use cython version
if hasattr(mandel, "mandel_cy"):
print("Using Cython version to compute")
I = mandel.mandel_cy(n, 100, -2, .5, -1.25, 1.25)
else:
print("Using Python version to compute")
I = mandel_py(n, 100, -2, .5, -1.25, 1.25)
I = numpy.array(I)
img = pylab.imshow(I.T, origin='lower left')
print("Writing data to 'mandel.png'")
img.write_png('mandel.png', noscale=True)
pylab.show()
def demo_save_png(n):
print("Computing {} x {} matrix".format(n, n))
# try to use cython version
if hasattr(mandel, "mandel_cy"):
print("Using Cython version to compute")
I = mandel.mandel_cy(n, 100, -2, .5, -1.25, 1.25)
else:
print("Using Python version to compute")
I = mandel_py(n, 100, -2, .5, -1.25, 1.25)
I = numpy.array(I)
img = pylab.imshow(I.T, origin='lower left')
print("Writing data to 'mandel.png'")
img.write_png('mandel.png', noscale=True)
pylab.show()
def test_equality(n):
I_cy = numpy.array(mandel.mandel_cy(n, 100, -2, .5, -1.25, 1.25))
I_py = numpy.array(mandel_py(n, 100, -2, .5, -1.25, 1.25))
diff = I_cy - I_py
if max(numpy.abs(diff.flat)) > 0:
print("Something bifferent. Difference is")
print(diff)
print("Cython matrix:")
print(I_cy)
print("Python matrix:")
print(I_py)
else:
print("Python and Cython results agree for n={}".format(n))
