uhd: replace all the instances of float not pertaining to io types with double, simplifies life

1 files changed, 3 insertions, 4 deletions

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;