5 files changed, 13 insertions, 16 deletions
diff --git a/host/examples/rx_ascii_art_dft.cpp b/host/examples/rx_ascii_art_dft.cpp
index 5a24867b4..b677bcb07 100644
--- a/host/examples/rx_ascii_art_dft.cpp
+++ b/host/examples/rx_ascii_art_dft.cpp
@@ -34,8 +34,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     //variables to be set by po
     std::string args;
     size_t num_bins;
-    double rate, freq, frame_rate;
-    float gain, ref_lvl, dyn_rng;
+    double rate, freq, gain, frame_rate;
+    float ref_lvl, dyn_rng;
 
     //setup the program options
     po::options_description desc("Allowed options");
@@ -45,7 +45,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         // hardware parameters
         ("rate", po::value<double>(&rate), "rate of incoming samples (sps)")
         ("freq", po::value<double>(&freq)->default_value(0), "RF center frequency in Hz")
-        ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain")
+        ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
         // display parameters
         ("num-bins", po::value<size_t>(&num_bins)->default_value(512), "the number of bins in the DFT")
         ("frame-rate", po::value<double>(&frame_rate)->default_value(5), "frame rate of the display (fps)")
diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp
index c80d2a6de..6a6528a12 100644
--- a/host/examples/rx_samples_to_file.cpp
+++ b/host/examples/rx_samples_to_file.cpp
@@ -33,8 +33,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     //variables to be set by po
     std::string args, file;
     size_t total_num_samps;
-    double rate, freq;
-    float gain;
+    double rate, freq, gain;
 
     //setup the program options
     po::options_description desc("Allowed options");
@@ -45,7 +44,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
         ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples")
         ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
-        ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain")
+        ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
     ;
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
diff --git a/host/examples/rx_samples_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp
index 488c95494..5f1cd4a57 100644
--- a/host/examples/rx_samples_to_udp.cpp
+++ b/host/examples/rx_samples_to_udp.cpp
@@ -33,8 +33,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     //variables to be set by po
     std::string args;
     size_t total_num_samps;
-    double rate, freq;
-    float gain;
+    double rate, freq, gain;
     std::string addr, port;
 
     //setup the program options
@@ -45,7 +44,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
         ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples")
         ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
-        ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain")
+        ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
         ("port", po::value<std::string>(&port)->default_value("7124"), "server udp port")
         ("addr", po::value<std::string>(&addr)->default_value("192.168.1.10"), "resolvable server address")
     ;
diff --git a/host/examples/tx_from_file.cpp b/host/examples/tx_from_file.cpp
index 40ce6db6b..392924c05 100644
--- a/host/examples/tx_from_file.cpp
+++ b/host/examples/tx_from_file.cpp
@@ -34,9 +34,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     time_t seconds_in_future;
     size_t total_num_samps;
     size_t samps_per_packet;
-    double tx_rate, freq;
+    double tx_rate, freq, gain;
     float ampl;
-    float tx_gain;
 
     //setup the program options
     po::options_description desc("Allowed options");
@@ -48,7 +47,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("txrate", po::value<double>(&tx_rate)->default_value(100e6/16), "rate of outgoing samples")
         ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
         ("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of each sample")
-        ("gain", po::value<float>(&tx_gain)->default_value(float(0)), "amplitude of each sample")
+        ("gain", po::value<double>(&gain)->default_value(0), "amplitude of each sample")
         ("dilv", "specify to disable inner-loop verbose")
     ;
     po::variables_map vm;
@@ -78,7 +77,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     sdev->set_tx_freq(freq);
     sdev->set_time_now(uhd::time_spec_t(0.0));
 
-    sdev->set_tx_gain(tx_gain);
+    sdev->set_gain(gain);
 
     //allocate data to send
     std::vector<std::complex<short> > buff;
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp
index 751b79cf5..238a24b88 100644
--- a/host/examples/tx_waveforms.cpp
+++ b/host/examples/tx_waveforms.cpp
@@ -63,8 +63,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     //variables to be set by po
     std::string args, wave_type;
     size_t total_duration, spb;
-    double rate, freq, wave_freq;
-    float ampl, gain;
+    double rate, freq, gain, wave_freq;
+    float ampl;
 
     //setup the program options
     po::options_description desc("Allowed options");
@@ -76,7 +76,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples")
         ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
         ("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of the waveform")
-        ("gain", po::value<float>(&gain)->default_value(float(0)), "gain for the RF chain")
+        ("gain", po::value<double>(&gain)->default_value(0), "gain for the RF chain")
         ("wave-type", po::value<std::string>(&wave_type)->default_value("CONST"), "waveform type (CONST, SQUARE, RAMP, SINE)")
         ("wave-freq", po::value<double>(&wave_freq)->default_value(0), "waveform frequency in Hz")
     ;