Пример #1
0
 def test01b(self):
     """vtable from a collection of differently sized btables"""
     N = int(1e1)
     t1 = blz.fromiter(((i, i*2.) for i in xrange(N+1)),
                       dtype='i4,f8', count=N+1, rootdir=self.rootdir)
     t2 = blz.fromiter(((i, i*2.) for i in xrange(N+1, N*2)),
                       dtype='i4,f8', count=N-1, rootdir=self.rootdir)
     vt = blz.vtable((t1, t2), rootdir=self.rootdir)
     ra = np.fromiter(((i, i*2.) for i in xrange(N*2)), dtype='i4,f8')
     assert_array_equal(vt[:], ra, "vtable values are not correct")
Пример #2
0
 def test00(self):
     """Testing vtable creation from a tuple of btables (single row)"""
     N = int(1e1)
     t1 = blz.fromiter(((i, i*2.) for i in xrange(N)), dtype='i4,f8',
                       count=N, rootdir=self.rootdir)
     t2 = blz.fromiter(((i, i*3.) for i in xrange(N*2)), dtype='i4,f8',
                       count=N*2, rootdir=self.rootdir)
     vt = blz.vtable((t1, t2), rootdir=self.rootdir)
     r = np.array([(1, 3.)], dtype='i4,f8')[0]
     assert_array_equal(vt[N+1], r, "vtable values are not correct")
Пример #3
0
 def test02a(self):
     """vtable with start"""
     N = int(1e1)
     t1 = blz.fromiter(((i, i*2.) for i in xrange(N+1)),
                       dtype='i4,f8', count=N+1, rootdir=self.rootdir)
     t2 = blz.fromiter(((i, i*2.) for i in xrange(N+1, N*2)),
                       dtype='i4,f8', count=N-1, rootdir=self.rootdir)
     t3 = blz.fromiter(((i, i*2.) for i in xrange(N*2, N*3)),
                       dtype='i4,f8', count=N, rootdir=self.rootdir)
     vt = blz.vtable((t1, t2, t3), rootdir=self.rootdir)
     ra = np.fromiter(((i, i*2.) for i in xrange(N*3)), dtype='i4,f8')
     assert_array_equal(vt[2:], ra[2:], "vtable values are not correct")