diff options
Diffstat (limited to 'host/tests/convert_test.cpp')
| -rw-r--r-- | host/tests/convert_test.cpp | 83 |
1 files changed, 72 insertions, 11 deletions
diff --git a/host/tests/convert_test.cpp b/host/tests/convert_test.cpp index 1a5d30080..6b0ae53a9 100644 --- a/host/tests/convert_test.cpp +++ b/host/tests/convert_test.cpp @@ -1,5 +1,5 @@ // -// Copyright 2011-2011 Ettus Research LLC +// Copyright 2011-2012 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by @@ -31,8 +31,9 @@ typedef std::complex<boost::int16_t> sc16_t; typedef std::complex<float> fc32_t; typedef std::complex<double> fc64_t; -#define MY_CHECK_CLOSE(a, b, f) if ((std::abs(a) > (f))) \ - BOOST_CHECK_CLOSE_FRACTION(a, b, f) +#define MY_CHECK_CLOSE(a, b, f) { \ + BOOST_CHECK_MESSAGE(std::abs((a)-(b)) < f, "\n\t" << #a << " (" << (a) << ") error " << #b << " (" << (b) << ")"); \ +} /*********************************************************************** * Loopback runner: @@ -67,13 +68,13 @@ template <typename Range> static void loopback( * Test short conversion **********************************************************************/ static void test_convert_types_sc16( - size_t nsamps, convert::id_type &id + size_t nsamps, convert::id_type &id, const int extra_div = 1 ){ //fill the input samples std::vector<sc16_t> input(nsamps), output(nsamps); BOOST_FOREACH(sc16_t &in, input) in = sc16_t( - std::rand()-(RAND_MAX/2), - std::rand()-(RAND_MAX/2) + short(((std::rand()/double(RAND_MAX/2)) - 1)*32767/extra_div), + short(((std::rand()/double(RAND_MAX/2)) - 1)*32767/extra_div) ); //run the loopback and test @@ -116,15 +117,15 @@ BOOST_AUTO_TEST_CASE(test_convert_types_le_sc16){ **********************************************************************/ template <typename data_type> static void test_convert_types_for_floats( - size_t nsamps, convert::id_type &id + size_t nsamps, convert::id_type &id, const double extra_scale = 1.0 ){ typedef typename data_type::value_type value_type; //fill the input samples std::vector<data_type> input(nsamps), output(nsamps); BOOST_FOREACH(data_type &in, input) in = data_type( - (std::rand()/value_type(RAND_MAX/2)) - 1, - (std::rand()/value_type(RAND_MAX/2)) - 1 + ((std::rand()/value_type(RAND_MAX/2)) - 1)*float(extra_scale), + ((std::rand()/value_type(RAND_MAX/2)) - 1)*float(extra_scale) ); //run the loopback and test @@ -134,8 +135,8 @@ static void test_convert_types_for_floats( std::swap(out_id.num_inputs, out_id.num_outputs); loopback(nsamps, in_id, out_id, input, output); for (size_t i = 0; i < nsamps; i++){ - MY_CHECK_CLOSE(input[i].real(), output[i].real(), value_type(0.01)); - MY_CHECK_CLOSE(input[i].imag(), output[i].imag(), value_type(0.01)); + MY_CHECK_CLOSE(input[i].real(), output[i].real(), value_type(1./32767)); + MY_CHECK_CLOSE(input[i].imag(), output[i].imag(), value_type(1./32767)); } } @@ -280,3 +281,63 @@ BOOST_AUTO_TEST_CASE(test_convert_types_sc16_to_fc32){ MY_CHECK_CLOSE(input[i].imag()/float(32767), output[i].imag(), float(0.01)); } } + +/*********************************************************************** + * Test sc8 conversions + **********************************************************************/ +BOOST_AUTO_TEST_CASE(test_convert_types_fc64_and_sc8){ + convert::id_type id; + id.input_format = "fc64"; + id.num_inputs = 1; + id.num_outputs = 1; + + //try various lengths to test edge cases + id.output_format = "sc8_item32_le"; + for (size_t nsamps = 1; nsamps < 16; nsamps++){ + test_convert_types_for_floats<fc64_t>(nsamps, id, 1./256); + } + + //try various lengths to test edge cases + id.output_format = "sc8_item32_be"; + for (size_t nsamps = 1; nsamps < 16; nsamps++){ + test_convert_types_for_floats<fc64_t>(nsamps, id, 1./256); + } +} + +BOOST_AUTO_TEST_CASE(test_convert_types_fc32_and_sc8){ + convert::id_type id; + id.input_format = "fc32"; + id.num_inputs = 1; + id.num_outputs = 1; + + //try various lengths to test edge cases + id.output_format = "sc8_item32_le"; + for (size_t nsamps = 1; nsamps < 16; nsamps++){ + test_convert_types_for_floats<fc32_t>(nsamps, id, 1./256); + } + + //try various lengths to test edge cases + id.output_format = "sc8_item32_be"; + for (size_t nsamps = 1; nsamps < 16; nsamps++){ + test_convert_types_for_floats<fc32_t>(nsamps, id, 1./256); + } +} + +BOOST_AUTO_TEST_CASE(test_convert_types_sc16_and_sc8){ + convert::id_type id; + id.input_format = "sc16"; + id.num_inputs = 1; + id.num_outputs = 1; + + //try various lengths to test edge cases + id.output_format = "sc8_item32_le"; + for (size_t nsamps = 1; nsamps < 16; nsamps++){ + test_convert_types_sc16(nsamps, id, 256); + } + + //try various lengths to test edge cases + id.output_format = "sc8_item32_be"; + for (size_t nsamps = 1; nsamps < 16; nsamps++){ + test_convert_types_sc16(nsamps, id, 256); + } +} |