def check_definition(self):
x = [1, 2, 3, 4, 1, 2, 3, 4]
y = rfft(x)
y1 = direct_rdft(x)
assert_array_almost_equal(y, y1)
x = [1, 2, 3, 4, 1, 2, 3, 4, 5]
y = rfft(x)
y1 = direct_rdft(x)
assert_array_almost_equal(y, y1)
def check_random_real(self):
for size in [1, 51, 111, 100, 200, 64, 128, 256, 1024]:
x = random([size]).astype(double)
assert_array_almost_equal(irfft(rfft(x)), x)
assert_array_almost_equal(rfft(irfft(x)), x)