Beispiel #1
0
    def test_recovery_over_stream(self):
        tasks = [
            ("tag", "hello"),
            ("buff", numpy.array(numpy.random.randint(-300, +300, 100), numpy.uint32)),
            ("tag", 2.0 + 3j),
            ("buff", numpy.array(numpy.random.randint(-300, +300, 23), numpy.uint32)),
            ("msg", 16.2),
            ("buff", numpy.array(numpy.random.randint(-300, +300, 10), numpy.uint32)),
            ("buff", numpy.array(numpy.random.randint(-300, +300, 66), numpy.uint32)),
            ("msg", "bye!"),
        ]

        src = RandomStuffSource(tasks)
        ser = gras.make('/grex/serializer', 0, True)

        #these two slice up the datagrams
        #can we recover from such harsh slicing?
        d2s = gras.make('/grex/datagram_to_stream', numpy.dtype(numpy.int32).itemsize)
        s2d = gras.make('/grex/stream_to_datagram', numpy.dtype(numpy.int32).itemsize, 40) #mtu 40 bytes

        deser = gras.make('/grex/deserializer', True) #true for recovery on
        dst = RandomStuffSink()

        self.tb.connect(src, ser, d2s, s2d, deser, dst)
        self.tb.run()

        self.check_equal_helper(dst, tasks)
    def test_sync_word_length_not_used(self):
        for i in range(16):
            s = gras.make('/grex/scrambler')
            d = gras.make('/grex/descrambler')
            poly = 1 | (1 << 14) | (1 << 15)
            seed = random.randint(-1024, 1024)
            mode = random.choice(("additive", "multiplicative"))
            sync = "111100111100000111101101"
            print poly, seed, mode
            for obj in (s, d):
                obj.set_poly(poly)
                obj.set_seed(seed)
                obj.set_mode(mode)
                obj.set_sync(sync)

            nbits = random.randint(128, 4096)
            src_data = tuple(numpy.random.randint(0, 2, nbits))
            src = TestUtils.VectorSource(numpy.uint8, src_data)
            dst = TestUtils.VectorSink(numpy.uint8)
            self.tb.connect(src, s, d, dst)

            self.tb.run()
            self.tb.disconnect_all()
            #lengths wont equal, sync word does history thing
            n = min(len(src_data), len(dst.data()))
            self.assertTrue(src_data[:n], dst.data()[:n])
    def test_simple_loopback(self):
        for i in range(16):
            s = gras.make('/grex/scrambler')
            d = gras.make('/grex/descrambler')

            poly = 1 | (1 << 14) | (1 << 15)
            seed = random.randint(-1024, 1024)
            mode = random.choice(("additive", "multiplicative"))
            print poly, seed, mode
            for obj in (s, d):
                obj.set_poly(poly)
                obj.set_seed(seed)
                obj.set_mode(mode)

            nbits = random.randint(128, 4096)
            src_data = tuple(numpy.random.randint(0, 2, nbits))
            src = TestUtils.VectorSource(numpy.uint8, src_data)
            dst = TestUtils.VectorSink(numpy.uint8)
            self.tb.connect(src, s, d, dst)

            midst = TestUtils.VectorSink(numpy.uint8)
            self.tb.connect(s, midst)

            self.tb.run()
            self.tb.disconnect_all()
            self.assertNotEqual(src_data, midst.data())
            self.assertTrue(src_data, dst.data())
Beispiel #4
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    def test_simple_loopback(self):
        for i in range(16):
            s = gras.make('/grex/scrambler')
            d = gras.make('/grex/descrambler')

            poly = 1 | (1 << 14) | (1 << 15)
            seed = random.randint(-1024, 1024)
            mode = random.choice(("additive", "multiplicative"))
            print poly, seed, mode
            for obj in (s, d):
                obj.set_poly(poly)
                obj.set_seed(seed)
                obj.set_mode(mode)

            nbits = random.randint(128, 4096)
            src_data = tuple(numpy.random.randint(0, 2, nbits))
            src = TestUtils.VectorSource(numpy.uint8, src_data)
            dst = TestUtils.VectorSink(numpy.uint8)
            self.tb.connect(src, s, d, dst)

            midst = TestUtils.VectorSink(numpy.uint8)
            self.tb.connect(s, midst)

            self.tb.run()
            self.tb.disconnect_all()
            self.assertNotEqual(src_data, midst.data())
            self.assertTrue(src_data, dst.data())
Beispiel #5
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    def test_sync_word_length_not_used(self):
        for i in range(16):
            s = gras.make('/grex/scrambler')
            d = gras.make('/grex/descrambler')
            poly = 1 | (1 << 14) | (1 << 15)
            seed = random.randint(-1024, 1024)
            mode = random.choice(("additive", "multiplicative"))
            sync = "111100111100000111101101"
            print poly, seed, mode
            for obj in (s, d):
                obj.set_poly(poly)
                obj.set_seed(seed)
                obj.set_mode(mode)
                obj.set_sync(sync)

            nbits = random.randint(128, 4096)
            src_data = tuple(numpy.random.randint(0, 2, nbits))
            src = TestUtils.VectorSource(numpy.uint8, src_data)
            dst = TestUtils.VectorSink(numpy.uint8)
            self.tb.connect(src, s, d, dst)

            self.tb.run()
            self.tb.disconnect_all()
            #lengths wont equal, sync word does history thing
            n = min(len(src_data), len(dst.data()))
            self.assertTrue(src_data[:n], dst.data()[:n])
Beispiel #6
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    def test_simple_loopback(self):
        framer = gras.make('/grex/packet_framer',
            samples_per_symbol = 2,
            bits_per_symbol = 1,
        )
        deframer = gras.make('/grex/packet_deframer')

        src_data = tuple(numpy.random.randint(-1024, 1024, 11)) #40 bytes + padding
        src = TestUtils.VectorSource(numpy.int32, src_data)
        dst = TestUtils.VectorSink(numpy.int32)

        unpack = gras.make('/grex/unpack_bytes')

        s2d = gras.make('/grex/stream_to_datagram', numpy.dtype(numpy.int32).itemsize, 40) #mtu 40 bytes
        d2s = gras.make('/grex/datagram_to_stream', numpy.dtype(numpy.int32).itemsize)

        self.tb.connect(src, s2d, framer, unpack, deframer, d2s, dst)

        self.tb.start()
        time.sleep(1.0)
        self.tb.stop()
        self.tb.wait()
        self.tb.disconnect_all()

        print "src_data", src_data
        print "dst_data", dst.data()

        n = min(map(len, (src_data, dst.data())))
        print n
        self.assertTrue(n > 0)

        self.assertEqual(src_data[:n], dst.data()[:n])
Beispiel #7
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    def test_udp_loopback(self):
        udp_server = gras.make('/grex/socket_message', "UDP_SERVER", 'localhost', '34567', 0)
        udp_client = gras.make('/grex/socket_message', "UDP_CLIENT", 'localhost', '34567', 0)

        #client sends to server - must be first
        self.do_loop(udp_client, udp_server)

        #server can reply to client
        self.do_loop(udp_server, udp_client)
Beispiel #8
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    def test_udp_loopback(self):
        udp_server = gras.make('/grex/socket_message', "UDP_SERVER",
                               'localhost', '34567', 0)
        udp_client = gras.make('/grex/socket_message', "UDP_CLIENT",
                               'localhost', '34567', 0)

        #client sends to server - must be first
        self.do_loop(udp_client, udp_server)

        #server can reply to client
        self.do_loop(udp_server, udp_client)
Beispiel #9
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    def test_simple_loopback(self):
        src_data = (8, 3, 32, 18, -53)
        src = TestUtils.VectorSource(numpy.int32, src_data)
        dst = TestUtils.VectorSink(numpy.int32)

        s2d = gras.make("/grex/stream_to_datagram", numpy.dtype(numpy.float32).itemsize, 0)
        d2s = gras.make("/grex/datagram_to_stream", numpy.dtype(numpy.float32).itemsize)

        self.tb.connect(src, s2d, d2s, dst)
        self.tb.run()

        self.assertEqual(src_data, dst.data())
Beispiel #10
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    def test_simple_loopback(self):
        src_data = (8, 3, 32, 18, -53)
        src = TestUtils.VectorSource(numpy.int32, src_data)
        dst = TestUtils.VectorSink(numpy.int32)

        s2d = gras.make('/grex/stream_to_datagram',
                        numpy.dtype(numpy.float32).itemsize, 0)
        d2s = gras.make('/grex/datagram_to_stream',
                        numpy.dtype(numpy.float32).itemsize)

        self.tb.connect(src, s2d, d2s, dst)
        self.tb.run()

        self.assertEqual(src_data, dst.data())
Beispiel #11
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 def test_div_ff_2(self):
     src1_data       =( 5,  9, -15, 1024)
     src2_data       =(10,  3,  -5,   64)
     expected_result =(0.5, 3,   3,   16)
     op = gras.make('/grex/divide_f32_f32')
     self.help_ff((src1_data, src2_data),
                   expected_result, op)
Beispiel #12
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    def __init__(self, access_code=None, threshold=-1):
        """
        Create a new packet deframer.
        @param access_code: AKA sync vector
        @type access_code: string of 1's and 0's
        @param threshold: detect access_code with up to threshold bits wrong (-1 -> use default)
        @type threshold: int
        """

        gras.HierBlock.__init__(self, "PacketDeframer")

        try:
            import packet_utils
        except ImportError:
            from gnuradio.digital import packet_utils

        if not access_code:
            access_code = packet_utils.default_access_code
        if not packet_utils.is_1_0_string(access_code):
            raise ValueError, "Invalid access_code %r. Must be string of 1's and 0's" % (
                access_code, )

        if threshold == -1:
            threshold = 12  # FIXME raise exception

        try:
            import digital_swig as gr_digital
        except ImportError:
            import gnuradio.digital as gr_digital
        self.correlator = gr_digital.correlate_access_code_bb(
            access_code, threshold)
        self.framer_sink = gras.make('/grex/framer_sink_1')
        self._queue_to_datagram = _queue_to_datagram()
        self.connect(self, self.correlator, self.framer_sink,
                     self._queue_to_datagram, self)
Beispiel #13
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 def test_sub_ii_2(self):
     src1_data =(1,  2, 3, 4, 5)
     src2_data =(8, -3, 4, 8, 2)
     expected_result =(-7, 5, -1, -4, 3)
     op = gras.make('/grex/subtract_s32_s32')
     self.help_ii((src1_data, src2_data),
                   expected_result, op)
Beispiel #14
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 def test_make_math_const_vs(self):
     op = gras.make('/grex/add_const_v_fc32_fc32', [1, 2, 4])
     op = gras.make('/grex/add_const_v_f32_f32', [1, 2, 4])
     op = gras.make('/grex/add_const_v_sc32_sc32', [1, 2, 4])
     op = gras.make('/grex/add_const_v_s32_s32', [1, 2, 4])
     op = gras.make('/grex/multiply_const_v_fc32_fc32', [1, 2, 4])
     op = gras.make('/grex/multiply_const_v_f32_f32', [1, 2, 4])
     op = gras.make('/grex/multiply_const_v_sc32_sc32', [1, 2, 4])
     op = gras.make('/grex/multiply_const_v_s32_s32', [1, 2, 4])
Beispiel #15
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    def do_loop(self, to_socket, from_socket):
        src_data = tuple(numpy.random.randint(-1024, 1024, 10))
        src = TestUtils.VectorSource(numpy.int32, src_data)
        dst = TestUtils.VectorSink(numpy.int32)

        s2d = gras.make('/grex/stream_to_datagram',
                        numpy.dtype(numpy.int32).itemsize, 0)
        d2s = gras.make('/grex/datagram_to_stream',
                        numpy.dtype(numpy.int32).itemsize)

        self.tb.connect(src, s2d, to_socket)
        self.tb.connect(from_socket, d2s, dst)

        self.tb.start()
        time.sleep(0.5)
        self.tb.stop()
        self.tb.wait()
        self.tb.disconnect_all()

        self.assertEqual(src_data, dst.data())
Beispiel #16
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    def test_tcp_loopback(self):
        tcp_server = gras.make('/grex/socket_message', "TCP_SERVER",
                               'localhost', '34567', 0)
        tcp_client = gras.make('/grex/socket_message', "TCP_CLIENT",
                               'localhost', '34567', 0)

        #client sends to server
        self.do_loop(tcp_client, tcp_server)

        #server reply to client
        self.do_loop(tcp_server, tcp_client)

        #a second client to replace the first connection
        print 'doing second client test now...'
        tcp_client2 = gras.make('/grex/socket_message', "TCP_CLIENT",
                                'localhost', '34567', 0)
        self.do_loop(tcp_client2,
                     tcp_server)  #must be first to establish new connection
        self.do_loop(tcp_server, tcp_client2)
        print '...done second client test'
Beispiel #17
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 def test_signal_source_f32(self):
     expected_result = (1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5)
     src1 = gras.make('/grex/signal_source_f32')
     src1.set_frequency(0)
     src1.set_waveform("CONST")
     src1.set_amplitude(1.5)
     op = TestUtils.Head(numpy.float32, 10)
     dst1 = TestUtils.VectorSink(numpy.float32)
     self.tb.connect(src1, op, dst1)
     self.tb.run()
     dst_data = dst1.data()
     self.assertEqual(expected_result, dst_data)
Beispiel #18
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    def test_simple_loopback(self):
        framer = gras.make(
            '/grex/packet_framer',
            samples_per_symbol=2,
            bits_per_symbol=1,
        )
        deframer = gras.make('/grex/packet_deframer')

        src_data = tuple(numpy.random.randint(-1024, 1024,
                                              11))  #40 bytes + padding
        src = TestUtils.VectorSource(numpy.int32, src_data)
        dst = TestUtils.VectorSink(numpy.int32)

        unpack = gras.make('/grex/unpack_bytes')

        s2d = gras.make('/grex/stream_to_datagram',
                        numpy.dtype(numpy.int32).itemsize, 40)  #mtu 40 bytes
        d2s = gras.make('/grex/datagram_to_stream',
                        numpy.dtype(numpy.int32).itemsize)

        self.tb.connect(src, s2d, framer, unpack, deframer, d2s, dst)

        self.tb.start()
        time.sleep(1.0)
        self.tb.stop()
        self.tb.wait()
        self.tb.disconnect_all()

        print "src_data", src_data
        print "dst_data", dst.data()

        n = min(map(len, (src_data, dst.data())))
        print n
        self.assertTrue(n > 0)

        self.assertEqual(src_data[:n], dst.data()[:n])
Beispiel #19
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    def test_sqrt_float32(self):
        op = gras.make('/grex/orc_block')
        op.set_program("volk_32f_sqrt_32f_a_orc_impl", SOURCE)

        vec = numpy.array(numpy.random.randint(10, +150, 10000), numpy.float32)

        src = TestUtils.VectorSource(numpy.float32, vec)
        dst = TestUtils.VectorSink(numpy.float32)

        self.tb.connect(src, op, dst)
        self.tb.run()

        expected_result = list(numpy.sqrt(vec))
        actual_result = list(dst.data())

        self.assertEqual(expected_result, actual_result)
Beispiel #20
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    def test_delay_simple(self):
        for delay in (0, 100, 1000, 10000):
            src_data = [1, 2, 3, 4, 5, 6, 7, 8]
            expected_result = tuple([0] * delay + src_data)

            src = TestUtils.VectorSource(numpy.float32, src_data)
            op = gras.make('/grex/delay', numpy.dtype(numpy.float32).itemsize)
            op.set_delay(delay)
            dst = TestUtils.VectorSink(numpy.float32)

            tb = gras.TopBlock()
            tb.connect(src, op, dst)
            tb.run()

            dst_data = dst.data()
            self.assertEqual(expected_result, dst_data)
    def test_stream_selector_simple(self):
        ss = gras.make('/grex/stream_selector', numpy.dtype(numpy.float32).itemsize)
        ss.set_paths([1, 0]) #in[0] -> out[1], in[1] -> out[0]

        src0 = TestUtils.VectorSource(numpy.float32, [1, 2, 3, 4])
        src1 = TestUtils.VectorSource(numpy.float32, [5, 6, 7, 8])

        dst0 = TestUtils.VectorSink(numpy.float32)
        dst1 = TestUtils.VectorSink(numpy.float32)

        tb = gras.TopBlock()
        tb.connect(src0, (ss, 0), dst0)
        tb.connect(src1, (ss, 1), dst1)
        tb.start()
        time.sleep(0.5)
        tb.stop()
        tb.wait()

        self.assertEqual((1, 2, 3, 4), dst1.data())
        self.assertEqual((5, 6, 7, 8), dst0.data())
    def test_add_const_float32(self):

        gras.jit_factory(ADD_CONST_F32_SOURCE, ["-O3", "-I"+gras_inc, "-I"+pmc_inc])
        op = gras.make("/tests/my_add_const_f32")

        offset = 42.
        op.set_value(offset) #set offset for test
        self.assertAlmostEqual(op.get_value(), offset)

        vec = numpy.array(numpy.random.randint(-150, +150, 10000), numpy.float32)

        src = TestUtils.VectorSource(numpy.float32, vec)
        dst = TestUtils.VectorSink(numpy.float32)

        self.tb.connect(src, op, dst)
        self.tb.run()

        expected_result = list(vec + offset)
        actual_result = list(dst.data())

        self.assertEqual(expected_result, actual_result)
    def test_add_float32(self):

        gras.jit_factory(ADD_F32_SOURCE, ["-O3", "-I"+gras_inc, "-I"+pmc_inc])
        op = gras.make("/tests/my_add_f32")

        vec0 = numpy.array(numpy.random.randint(-150, +150, 10000), numpy.float32)
        vec1 = numpy.array(numpy.random.randint(-150, +150, 10000), numpy.float32)

        src0 = TestUtils.VectorSource(numpy.float32, vec0)
        src1 = TestUtils.VectorSource(numpy.float32, vec1)
        dst = TestUtils.VectorSink(numpy.float32)

        self.tb.connect(src0, (op, 0))
        self.tb.connect(src1, (op, 1))
        self.tb.connect(op, dst)
        self.tb.run()

        expected_result = list(vec0 + vec1)
        actual_result = list(dst.data())

        self.assertEqual(expected_result, actual_result)
Beispiel #24
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    def test_add_float32(self):
        op = gras.make('/grex/orc_block')
        op.set_program("volk_32f_x2_add_32f_a_orc_impl", SOURCE)

        vec0 = numpy.array(numpy.random.randint(-150, +150, 10000),
                           numpy.float32)
        vec1 = numpy.array(numpy.random.randint(-150, +150, 10000),
                           numpy.float32)

        src0 = TestUtils.VectorSource(numpy.float32, vec0)
        src1 = TestUtils.VectorSource(numpy.float32, vec1)
        dst = TestUtils.VectorSink(numpy.float32)

        self.tb.connect(src0, (op, 0))
        self.tb.connect(src1, (op, 1))
        self.tb.connect(op, dst)
        self.tb.run()

        expected_result = list(vec0 + vec1)
        actual_result = list(dst.data())

        self.assertEqual(expected_result, actual_result)
Beispiel #25
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    def test_add_complex64(self):
        op = gras.make('/grex/opencl_block', "")
        op.set_program("add_2x_complex64", vector_add_gpu_SOURCE, "")
        op.set_input_size(0, 8)
        op.set_output_size(0, 8)

        vec0 = numpy.array(numpy.random.randint(-150, +150, 1e6), numpy.complex64)
        vec1 = numpy.array(numpy.random.randint(-150, +150, 1e6), numpy.complex64)

        src0 = TestUtils.VectorSource(numpy.complex64, vec0)
        src1 = TestUtils.VectorSource(numpy.complex64, vec1)
        dst = TestUtils.VectorSink(numpy.complex64)

        self.tb.connect(src0, (op, 0))
        self.tb.connect(src1, (op, 1))
        self.tb.connect(op, dst)
        self.tb.run()

        expected_result = list(vec0 + vec1)
        actual_result = list(dst.data())

        self.assertEqual(expected_result, actual_result)
    def test_float32(self):
        op = gras.make('/grex/noise_source_f32', 0)
        op.set_waveform("GAUSSIAN")
        op.set_amplitude(10)

        head = TestUtils.Head(numpy.float32, 12)
        dst = TestUtils.VectorSink(numpy.float32)

        self.tb.connect(op, head, dst)
        self.tb.run()

        # expected results for Gaussian with seed 0, ampl 10
        expected_result = (-6.8885869979858398, 26.149959564208984,
                           20.575775146484375, -7.9340143203735352,
                           5.3359274864196777, -12.552099227905273,
                           6.333674430847168, -23.830753326416016,
                           -16.603046417236328, 2.9676761627197266,
                           1.2176077365875244, 15.100193977355957)

        dst_data = dst.data()
        self.assertEqual(len(expected_result), len(dst_data))
        for i in range(len(dst_data)):
            self.assertAlmostEqual(expected_result[i], dst_data[i], places=3)
Beispiel #27
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 def test_mult_const_ii(self):
     src_data = (-1, 0, 1, 2, 3)
     expected_result = (-5, 0, 5, 10, 15)
     op = gras.make('/grex/multiply_const_s32_s32', 5)
     self.help_ii((src_data, ), expected_result, op)
Beispiel #28
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 def test_mult_ff(self):
     src1_data = (1, 2, 3, 4)
     src2_data = (8, -3, 4, 8)
     expected_result = (8, -6, 12, 32)
     op = gras.make('/grex/multiply_f32_f32')
     self.help_ff((src1_data, src2_data), expected_result, op)
Beispiel #29
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 def test_mult_ii(self):
     src1_data = (1, 2, 3, 4, 5)
     src2_data = (8, -3, 4, 8, 2)
     expected_result = (8, -6, 12, 32, 10)
     op = gras.make('/grex/multiply_s32_s32')
     self.help_ii((src1_data, src2_data), expected_result, op)
Beispiel #30
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 def test_sub_ii_2(self):
     src1_data = (1, 2, 3, 4, 5)
     src2_data = (8, -3, 4, 8, 2)
     expected_result = (-7, 5, -1, -4, 3)
     op = gras.make('/grex/subtract_s32_s32')
     self.help_ii((src1_data, src2_data), expected_result, op)
Beispiel #31
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 def test_sub_ii_1(self):
     src1_data = (1, 2, 3, 4, 5)
     expected_result = (-1, -2, -3, -4, -5)
     op = gras.make('/grex/subtract_s32_s32')
     self.help_ii((src1_data, ), expected_result, op)
Beispiel #32
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 def test_div_ff_2(self):
     src1_data = (5, 9, -15, 1024)
     src2_data = (10, 3, -5, 64)
     expected_result = (0.5, 3, 3, 16)
     op = gras.make('/grex/divide_f32_f32')
     self.help_ff((src1_data, src2_data), expected_result, op)
Beispiel #33
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 def test_div_ff_1(self):
     src1_data = (1, 2, 4, -8)
     expected_result = (1, 0.5, 0.25, -.125)
     op = gras.make('/grex/divide_f32_f32')
     self.help_ff((src1_data, ), expected_result, op)
Beispiel #34
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 def test_set_math_const_vs(self):
     op = gras.make('/grex/add_const_v_fc32_fc32', [1, 2, 4])
     op.set_const([0, 5, 6])
     op = gras.make('/grex/multiply_const_v_fc32_fc32', [1, 2, 4])
     op.set_const([0, 5, 6])
Beispiel #35
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 def test_add_const_cc_1(self):
     src_data = (1, 2, 3, 4, 5)
     expected_result = (3 + 5j, 4 + 5j, 5 + 5j, 6 + 5j, 7 + 5j)
     op = gras.make('/grex/add_const_fc32_fc32', 2 + 5j)
     self.help_cc((src_data, ), expected_result, op)
Beispiel #36
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 def test_add_const_ff(self):
     src_data = (1, 2, 3, 4, 5)
     expected_result = (6, 7, 8, 9, 10)
     op = gras.make('/grex/add_const_f32_f32', 5)
     self.help_ff((src_data, ), expected_result, op)
Beispiel #37
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 def test_mult_const_cc(self):
     src_data = (-1 - 1j, 0 + 0j, 1 + 1j, 2 + 2j, 3 + 3j)
     expected_result = (1 - 5j, 0 + 0j, -1 + 5j, -2 + 10j, (-3 + 15j))
     op = gras.make('/grex/multiply_const_fc32_fc32', 2 + 3j)
     self.help_cc((src_data, ), expected_result, op)
 def test_load_module_cpp(self):
     my_block = gras.make("/tests/my_block0")
     self.assertEqual(my_block.get_num(), 42)