Use tests from ulab extmod, instead of our own

tests/run-tests

@@ -579,7 +579,7 @@ the last matching regex is used:
                 # run PC tests
                 test_dirs = (
                     'basics', 'micropython', 'float', 'import', 'io', 'misc',
-                    'stress', 'unicode', 'extmod', 'ulab', 'unix', 'cmdline',
+                    'stress', 'unicode', 'extmod', '../extmod/ulab/tests', 'unix', 'cmdline',
                 )
         else:
             # run tests from these directories

tests/ulab/smoke.py

@@ -1,84 +0,0 @@
-try:
-    import ulab
-except:
-    print('SKIP')
-    raise SystemExit
-
-ulab.array([1,2,3])
-ulab.array([1,2,3], dtype=ulab.int8)
-ulab.array([1,2,3], dtype=ulab.int16)
-ulab.array([1,2,3], dtype=ulab.uint8)
-ulab.array([1,2,3], dtype=ulab.uint16)
-ulab.array([1,2,3], dtype=ulab.float)
-ulab.zeros(3)
-ulab.ones(3)
-a = ulab.eye(3)
-a.shape
-a.size
-a.itemsize
-a.flatten
-a.sort()
-a.transpose()
-a + 0
-a + a
-a * 0
-a * a
-a / 1
-a / a
-a - 0
-a - a
-+a
--a
-a[0]
-a[:]
-a[0] = 0
-a[:] = ulab.zeros((3,3))
-a = ulab.eye(3)
-ulab.vector.acos(a)
-ulab.vector.acosh(a)
-ulab.vector.asin(a)
-ulab.vector.asinh(a)
-ulab.vector.atan(a)
-ulab.vector.atanh(a)
-ulab.vector.ceil(a)
-ulab.vector.cos(a)
-#ulab.vector.cosh(a)
-ulab.vector.sin(a)
-ulab.vector.sinh(a)
-ulab.vector.tan(a)
-ulab.vector.tanh(a)
-ulab.vector.erf(a)
-ulab.vector.erfc(a)
-ulab.vector.exp(a)
-ulab.vector.expm1(a)
-ulab.vector.floor(a)
-ulab.vector.gamma(a)
-ulab.vector.lgamma(a)
-ulab.vector.log(a)
-ulab.vector.log2(a)
-ulab.vector.sqrt(a)
-ulab.linalg.dot(a,a)
-ulab.linalg.inv(a)
-ulab.linalg.eig(a)
-ulab.linalg.det(a)
-ulab.filter.convolve(ulab.array([1,2,3]), ulab.array([1,10,100,1000]))
-ulab.linspace(0, 10, num=3)
-a = ulab.linspace(0, 10, num=256, endpoint=True)
-ulab.fft.spectrum(a)
-p, q = ulab.fft.fft(a)
-ulab.fft.ifft(p)
-ulab.fft.ifft(p,q)
-ulab.numerical.argmin(a)
-ulab.numerical.argmax(a)
-ulab.numerical.argsort(a)
-ulab.numerical.max(a)
-ulab.numerical.min(a)
-ulab.numerical.mean(a)
-ulab.numerical.std(a)
-ulab.numerical.diff(a)
-#ulab.size(a)
-f = ulab.poly.polyfit([1,2,3], 3)
-ulab.poly.polyval([1,2,3], [1,2,3])
-ulab.numerical.sort(a)
-ulab.numerical.flip(a)
-ulab.numerical.roll(a, 1)