uhd: mpm: apply clang-format to all files

Applying formatting changes to all .cpp and .hpp files in the following
directories:
```
find host/examples/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/tests/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/lib/usrp/dboard/neon/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/lib/usrp/dboard/magnesium/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/lib/usrp/device3/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/lib/usrp/mpmd/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/lib/usrp/x300/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find host/utils/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
find mpm/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
```

Also formatted host/include/, except Cpp03 was used as a the language
standard instead of Cpp11.
```
sed -i 's/ Cpp11/ Cpp03/g' .clang-format
find host/include/ -iname *.hpp -o -iname *.cpp | \
    xargs clang-format -i -style=file
```

Formatting style was designated by the .clang-format file.

1 files changed, 118 insertions, 104 deletions

diff --git a/host/utils/uhd_cal_tx_dc_offset.cpp b/host/utils/uhd_cal_tx_dc_offset.cpp
index 6519cd9ec..f47b5e913 100644
--- a/host/utils/uhd_cal_tx_dc_offset.cpp
+++ b/host/utils/uhd_cal_tx_dc_offset.cpp
@@ -6,19 +6,19 @@
 //
 
 #include "usrp_cal_utils.hpp"
-#include <uhd/utils/thread.hpp>
-#include <uhd/utils/safe_main.hpp>
-#include <uhd/utils/paths.hpp>
-#include <uhd/utils/algorithm.hpp>
 #include <uhd/usrp/multi_usrp.hpp>
-#include <boost/program_options.hpp>
+#include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/paths.hpp>
+#include <uhd/utils/safe_main.hpp>
+#include <uhd/utils/thread.hpp>
 #include <boost/format.hpp>
-#include <boost/thread/thread.hpp>
 #include <boost/math/special_functions/round.hpp>
-#include <iostream>
+#include <boost/program_options.hpp>
+#include <boost/thread/thread.hpp>
+#include <chrono>
 #include <complex>
 #include <ctime>
-#include <chrono>
+#include <iostream>
 #include <thread>
 
 namespace po = boost::program_options;
@@ -26,33 +26,35 @@ namespace po = boost::program_options;
 /***********************************************************************
  * Transmit thread
  **********************************************************************/
-static void tx_thread(uhd::usrp::multi_usrp::sptr usrp, uhd::tx_streamer::sptr tx_stream, const double tx_wave_freq, const double tx_wave_ampl)
+static void tx_thread(uhd::usrp::multi_usrp::sptr usrp,
+    uhd::tx_streamer::sptr tx_stream,
+    const double tx_wave_freq,
+    const double tx_wave_ampl)
 {
     uhd::set_thread_priority_safe();
 
     // set max TX gain
     usrp->set_tx_gain(usrp->get_tx_gain_range().stop());
 
-    //setup variables and allocate buffer
+    // setup variables and allocate buffer
     uhd::tx_metadata_t md;
     md.has_time_spec = false;
-    std::vector<samp_type> buff(tx_stream->get_max_num_samps()*10);
+    std::vector<samp_type> buff(tx_stream->get_max_num_samps() * 10);
 
-    //values for the wave table lookup
-    size_t index = 0;
+    // values for the wave table lookup
+    size_t index         = 0;
     const double tx_rate = usrp->get_tx_rate();
-    const size_t step = boost::math::iround(wave_table_len * tx_wave_freq / tx_rate);
+    const size_t step    = boost::math::iround(wave_table_len * tx_wave_freq / tx_rate);
     wave_table table(tx_wave_ampl);
 
-    //fill buff and send until interrupted
-    while (not boost::this_thread::interruption_requested())
-    {
+    // fill buff and send until interrupted
+    while (not boost::this_thread::interruption_requested()) {
         for (size_t i = 0; i < buff.size(); i++)
             buff[i] = table(index += step);
         tx_stream->send(&buff.front(), buff.size(), md);
     }
 
-    //send a mini EOB packet
+    // send a mini EOB packet
     md.end_of_burst = true;
     tx_stream->send("", 0, md);
 }
@@ -60,21 +62,22 @@ static void tx_thread(uhd::usrp::multi_usrp::sptr usrp, uhd::tx_streamer::sptr t
 /***********************************************************************
  * Tune RX and TX routine
  **********************************************************************/
-static double tune_rx_and_tx(uhd::usrp::multi_usrp::sptr usrp, const double tx_lo_freq, const double rx_offset)
+static double tune_rx_and_tx(
+    uhd::usrp::multi_usrp::sptr usrp, const double tx_lo_freq, const double rx_offset)
 {
-    //tune the transmitter with no cordic
+    // tune the transmitter with no cordic
     uhd::tune_request_t tx_tune_req(tx_lo_freq);
     tx_tune_req.dsp_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
-    tx_tune_req.dsp_freq = 0;
+    tx_tune_req.dsp_freq        = 0;
     usrp->set_tx_freq(tx_tune_req);
 
-    //tune the receiver
-    double rx_freq = usrp->get_tx_freq() - rx_offset;
+    // tune the receiver
+    double rx_freq        = usrp->get_tx_freq() - rx_offset;
     double min_fe_rx_freq = usrp->get_fe_rx_freq_range().start();
     double max_fe_rx_freq = usrp->get_fe_rx_freq_range().stop();
     uhd::tune_request_t rx_tune_req(rx_freq);
     rx_tune_req.dsp_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
-    rx_tune_req.dsp_freq = 0;
+    rx_tune_req.dsp_freq        = 0;
     if (rx_freq < min_fe_rx_freq)
         rx_tune_req.dsp_freq = rx_freq - min_fe_rx_freq;
     else if (rx_freq > max_fe_rx_freq)
@@ -89,7 +92,7 @@ static double tune_rx_and_tx(uhd::usrp::multi_usrp::sptr usrp, const double tx_l
 /***********************************************************************
  * Main
  **********************************************************************/
-int UHD_SAFE_MAIN(int argc, char *argv[])
+int UHD_SAFE_MAIN(int argc, char* argv[])
 {
     std::string args, subdev, serial;
     double tx_wave_freq, tx_wave_ampl, rx_offset;
@@ -119,13 +122,16 @@ int UHD_SAFE_MAIN(int argc, char *argv[])
     po::store(po::parse_command_line(argc, argv, desc), vm);
     po::notify(vm);
 
-    //print the help message
-    if (vm.count("help")){
-        std::cout << boost::format("USRP Generate TX DC Offset Calibration Table %s") % desc << std::endl;
-        std::cout <<
-            "This application measures leakage between RX and TX on a transceiver daughterboard to self-calibrate.\n"
-            "Note: Not all daughterboards support this feature. Refer to the UHD manual for details.\n"
-            << std::endl;
+    // print the help message
+    if (vm.count("help")) {
+        std::cout << boost::format("USRP Generate TX DC Offset Calibration Table %s")
+                         % desc
+                  << std::endl;
+        std::cout << "This application measures leakage between RX and TX on a "
+                     "transceiver daughterboard to self-calibrate.\n"
+                     "Note: Not all daughterboards support this feature. Refer to the "
+                     "UHD manual for details.\n"
+                  << std::endl;
         return EXIT_FAILURE;
     }
 
@@ -135,138 +141,145 @@ int UHD_SAFE_MAIN(int argc, char *argv[])
     if (not vm.count("nsamps"))
         nsamps = size_t(usrp->get_rx_rate() / default_fft_bin_size);
 
-    //create a receive streamer
-    uhd::stream_args_t stream_args("fc32"); //complex floats
+    // create a receive streamer
+    uhd::stream_args_t stream_args("fc32"); // complex floats
     uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args);
 
-    //create a transmit streamer
+    // create a transmit streamer
     uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args);
 
-    //create a transmitter thread
+    // create a transmitter thread
     boost::thread_group threads;
-    threads.create_thread(boost::bind(&tx_thread, usrp, tx_stream, tx_wave_freq, tx_wave_ampl));
+    threads.create_thread(
+        boost::bind(&tx_thread, usrp, tx_stream, tx_wave_freq, tx_wave_ampl));
 
-    //re-usable buffer for samples
+    // re-usable buffer for samples
     std::vector<samp_type> buff;
 
-    //store the results here
+    // store the results here
     std::vector<result_t> results;
 
-    if (not vm.count("freq_start")) freq_start = usrp->get_fe_tx_freq_range().start();
-    if (not vm.count("freq_stop")) freq_stop = usrp->get_fe_tx_freq_range().stop();
+    if (not vm.count("freq_start"))
+        freq_start = usrp->get_fe_tx_freq_range().start();
+    if (not vm.count("freq_stop"))
+        freq_stop = usrp->get_fe_tx_freq_range().stop();
 
-    //check start and stop frequencies
-    if (freq_start < usrp->get_fe_tx_freq_range().start())
-    {
-        std::cerr << "freq_start must be " << usrp->get_fe_tx_freq_range().start() << " or greater for this daughter board" << std::endl;
+    // check start and stop frequencies
+    if (freq_start < usrp->get_fe_tx_freq_range().start()) {
+        std::cerr << "freq_start must be " << usrp->get_fe_tx_freq_range().start()
+                  << " or greater for this daughter board" << std::endl;
         return EXIT_FAILURE;
     }
-    if (freq_stop > usrp->get_fe_tx_freq_range().stop())
-    {
-        std::cerr << "freq_stop must be " << usrp->get_fe_tx_freq_range().stop() << " or less for this daughter board" << std::endl;
+    if (freq_stop > usrp->get_fe_tx_freq_range().stop()) {
+        std::cerr << "freq_stop must be " << usrp->get_fe_tx_freq_range().stop()
+                  << " or less for this daughter board" << std::endl;
         return EXIT_FAILURE;
     }
 
-    //check rx_offset
-    double min_rx_offset = usrp->get_rx_freq_range().start() - usrp->get_fe_tx_freq_range().start();
-    double max_rx_offset = usrp->get_rx_freq_range().stop() - usrp->get_fe_tx_freq_range().stop();
-    if (rx_offset < min_rx_offset or rx_offset > max_rx_offset)
-    {
+    // check rx_offset
+    double min_rx_offset =
+        usrp->get_rx_freq_range().start() - usrp->get_fe_tx_freq_range().start();
+    double max_rx_offset =
+        usrp->get_rx_freq_range().stop() - usrp->get_fe_tx_freq_range().stop();
+    if (rx_offset < min_rx_offset or rx_offset > max_rx_offset) {
         std::cerr << "rx_offset must be between " << min_rx_offset << " and "
-            << max_rx_offset << " for this daughter board" << std::endl;
+                  << max_rx_offset << " for this daughter board" << std::endl;
         return EXIT_FAILURE;
     }
 
-    std::cout << boost::format("Calibration frequency range: %d MHz -> %d MHz") % (freq_start/1e6) % (freq_stop/1e6) << std::endl;
+    std::cout << boost::format("Calibration frequency range: %d MHz -> %d MHz")
+                     % (freq_start / 1e6) % (freq_stop / 1e6)
+              << std::endl;
 
-    //set RX gain
+    // set RX gain
     usrp->set_rx_gain(0);
 
     size_t tx_error_count = 0;
-    for (double tx_lo_i = freq_start; tx_lo_i <= freq_stop; tx_lo_i += freq_step)
-    {
+    for (double tx_lo_i = freq_start; tx_lo_i <= freq_stop; tx_lo_i += freq_step) {
         const double tx_lo = tune_rx_and_tx(usrp, tx_lo_i, rx_offset);
 
-        //frequency constants for this tune event
+        // frequency constants for this tune event
         const double actual_rx_rate = usrp->get_rx_rate();
         const double actual_tx_freq = usrp->get_tx_freq();
         const double actual_rx_freq = usrp->get_rx_freq();
-        const double bb_dc_freq = actual_tx_freq - actual_rx_freq;
+        const double bb_dc_freq     = actual_tx_freq - actual_rx_freq;
 
-        //reset TX DC offset
+        // reset TX DC offset
         usrp->set_tx_dc_offset(std::complex<double>(0, 0));
 
-        //capture initial uncorrected value
+        // capture initial uncorrected value
         capture_samples(usrp, rx_stream, buff, nsamps);
-        const double initial_dc_dbrms = compute_tone_dbrms(buff, bb_dc_freq/actual_rx_rate);
-
-        //bounds and results from searching
-        double i_corr_start = -1.0;
-        double i_corr_stop = 1.0;
-        double i_corr_step = (i_corr_stop - i_corr_start)/(num_search_steps+1);
-        double q_corr_start = -1.0;
-        double q_corr_stop = 1.0;
-        double q_corr_step= (q_corr_stop - q_corr_start)/(num_search_steps+1);
+        const double initial_dc_dbrms =
+            compute_tone_dbrms(buff, bb_dc_freq / actual_rx_rate);
+
+        // bounds and results from searching
+        double i_corr_start  = -1.0;
+        double i_corr_stop   = 1.0;
+        double i_corr_step   = (i_corr_stop - i_corr_start) / (num_search_steps + 1);
+        double q_corr_start  = -1.0;
+        double q_corr_stop   = 1.0;
+        double q_corr_step   = (q_corr_stop - q_corr_start) / (num_search_steps + 1);
         double best_dc_dbrms = initial_dc_dbrms;
-        double best_i_corr = 0;
-        double best_q_corr = 0;
-        while (i_corr_step >= precision or q_corr_step >= precision)
-        {
-            for (double i_corr = i_corr_start + i_corr_step; i_corr <= i_corr_stop - i_corr_step; i_corr += i_corr_step)
-            {
-                for (double q_corr = q_corr_start + q_corr_step; q_corr <= q_corr_stop - q_corr_step; q_corr += q_corr_step)
-                {
+        double best_i_corr   = 0;
+        double best_q_corr   = 0;
+        while (i_corr_step >= precision or q_corr_step >= precision) {
+            for (double i_corr = i_corr_start + i_corr_step;
+                 i_corr <= i_corr_stop - i_corr_step;
+                 i_corr += i_corr_step) {
+                for (double q_corr = q_corr_start + q_corr_step;
+                     q_corr <= q_corr_stop - q_corr_step;
+                     q_corr += q_corr_step) {
                     const std::complex<double> correction(i_corr, q_corr);
                     usrp->set_tx_dc_offset(correction);
 
-                    //receive some samples
+                    // receive some samples
                     capture_samples(usrp, rx_stream, buff, nsamps);
-                    //check for TX errors in the current captured iteration
-                    if (has_tx_error(tx_stream)){
-                            std::cout
-                                << "[WARNING] TX error detected! "
-                                << "Repeating current iteration"
-                                << std::endl;
+                    // check for TX errors in the current captured iteration
+                    if (has_tx_error(tx_stream)) {
+                        std::cout << "[WARNING] TX error detected! "
+                                  << "Repeating current iteration" << std::endl;
                         // Undo the Q correction step
                         q_corr -= q_corr_step;
                         tx_error_count++;
                         if (tx_error_count >= MAX_NUM_TX_ERRORS) {
                             throw uhd::runtime_error(
-                                "Too many TX errors. Aborting calibration."
-                            );
+                                "Too many TX errors. Aborting calibration.");
                         }
                         continue;
                     }
-                    const double dc_dbrms = compute_tone_dbrms(buff, bb_dc_freq/actual_rx_rate);
+                    const double dc_dbrms =
+                        compute_tone_dbrms(buff, bb_dc_freq / actual_rx_rate);
 
-                    if (dc_dbrms < best_dc_dbrms)
-                    {
+                    if (dc_dbrms < best_dc_dbrms) {
                         best_dc_dbrms = dc_dbrms;
-                        best_i_corr = i_corr;
-                        best_q_corr = q_corr;
+                        best_i_corr   = i_corr;
+                        best_q_corr   = q_corr;
                     }
                 }
             }
 
             i_corr_start = best_i_corr - i_corr_step;
-            i_corr_stop = best_i_corr + i_corr_step;
-            i_corr_step = (i_corr_stop - i_corr_start)/(num_search_steps+1);
+            i_corr_stop  = best_i_corr + i_corr_step;
+            i_corr_step  = (i_corr_stop - i_corr_start) / (num_search_steps + 1);
             q_corr_start = best_q_corr - q_corr_step;
-            q_corr_stop = best_q_corr + q_corr_step;
-            q_corr_step = (q_corr_stop - q_corr_start)/(num_search_steps+1);
+            q_corr_stop  = best_q_corr + q_corr_step;
+            q_corr_step  = (q_corr_stop - q_corr_start) / (num_search_steps + 1);
         }
 
-        if (best_dc_dbrms < initial_dc_dbrms)   //keep result
+        if (best_dc_dbrms < initial_dc_dbrms) // keep result
         {
             result_t result;
-            result.freq = tx_lo;
+            result.freq      = tx_lo;
             result.real_corr = best_i_corr;
             result.imag_corr = best_q_corr;
-            result.best = best_dc_dbrms;
-            result.delta = initial_dc_dbrms - best_dc_dbrms;
+            result.best      = best_dc_dbrms;
+            result.delta     = initial_dc_dbrms - best_dc_dbrms;
             results.push_back(result);
             if (vm.count("verbose"))
-                std::cout << boost::format("TX DC: %f MHz: lowest offset %f dB, corrected %f dB") % (tx_lo/1e6) % result.best % result.delta << std::endl;
+                std::cout << boost::format(
+                                 "TX DC: %f MHz: lowest offset %f dB, corrected %f dB")
+                                 % (tx_lo / 1e6) % result.best % result.delta
+                          << std::endl;
             else
                 std::cout << "." << std::flush;
         }
@@ -277,9 +290,10 @@ int UHD_SAFE_MAIN(int argc, char *argv[])
 
     std::cout << std::endl;
 
-    //stop the transmitter
+    // stop the transmitter
     threads.interrupt_all();
-    std::this_thread::sleep_for(std::chrono::milliseconds(500));    //wait for threads to finish
+    std::this_thread::sleep_for(
+        std::chrono::milliseconds(500)); // wait for threads to finish
     threads.join_all();
 
     store_results(results, "TX", "tx", "dc", serial);