def test_this_det(n, y, mind_time):
global t0, t1
a = matrix_with_det(dim, y)
# print 'source matrice A with abs(det)=%X:\n' % y,a
a = fmpz_mat(a)
m0 = time.time()
z = count_det(a)
m1 = time.time()
h = flint.det_hermitian_decomposition(a)
m2 = time.time()
assert abs(z) == y
if h != z:
print "det mismatch: z=%X != %X" % (z, h)
assert 0
if mind_time:
t0 += m1 - m0
t1 += m2 - m1
def det_RAZIN(a): return flint.det_hermitian_decomposition( fmpz_mat(a) )
h = flint.det_hermitian_decomposition(a)
m2 = time.time()
assert abs(z) == y
if h != z:
print "det mismatch: z=%X != %X" % (z, h)
assert 0
if mind_time:
t0 += m1 - m0
t1 += m2 - m1
if 1:
print "testing simple diagonal matrice"
x = identity_matrix(5)
for i in range(2, 200):
x[0, 0] = (3 * 5) << i
d = flint.det_hermitian_decomposition(fmpz_mat(x))
if x[0, 0] != d:
print "test failed for i=%s" % i
print "(hex) %X != %X" % (x[0, 0], d)
sys.exit(1)
sage.all.set_random_seed("20140831")
t0 = t1 = 0
for dim in range(3, 30):
write("%s " % dim)
test_for_dim(dim)
print "\ntest passed"
