uhd: Remove all occurences of boost::math::*round()

Its behaviour is almost identical to std::lround, which we use instead.
The only downside of std::lround is that it always returns a long, which
we don't always need. We thus add some casts for those cases to make the
compiler happy.

2 files changed, 4 insertions, 4 deletions

diff --git a/host/lib/rfnoc/ddc_block_control.cpp b/host/lib/rfnoc/ddc_block_control.cpp
index 91c53a5e9..3326d4e46 100644
--- a/host/lib/rfnoc/ddc_block_control.cpp
+++ b/host/lib/rfnoc/ddc_block_control.cpp
@@ -16,7 +16,7 @@
 #include <uhdlib/usrp/cores/dsp_core_utils.hpp>
 #include <uhdlib/utils/compat_check.hpp>
 #include <uhdlib/utils/math.hpp>
-#include <boost/math/special_functions/round.hpp>
+#include <cmath>
 #include <set>
 #include <string>
 
@@ -520,7 +520,7 @@ private:
         const double compensation_factor  = 1. / dsp_gain;
         // Convert to fixpoint
         const double target_factor  = FIXPOINT_SCALING * compensation_factor;
-        const int32_t actual_factor = boost::math::iround(target_factor);
+        const int32_t actual_factor = std::lround(target_factor);
         // Write DDC with scaling correction for CIC and DDS that maximizes
         // dynamic range
         _ddc_reg_iface.poke32(SR_SCALE_IQ_ADDR, actual_factor, chan);
diff --git a/host/lib/rfnoc/duc_block_control.cpp b/host/lib/rfnoc/duc_block_control.cpp
index 87f6500a2..12937ac21 100644
--- a/host/lib/rfnoc/duc_block_control.cpp
+++ b/host/lib/rfnoc/duc_block_control.cpp
@@ -16,7 +16,7 @@
 #include <uhdlib/usrp/cores/dsp_core_utils.hpp>
 #include <uhdlib/utils/compat_check.hpp>
 #include <uhdlib/utils/math.hpp>
-#include <boost/math/special_functions/round.hpp>
+#include <cmath>
 #include <set>
 #include <string>
 
@@ -504,7 +504,7 @@ private:
         const double compensation_factor  = 1. / dsp_gain;
         // Convert to fixpoint
         const double target_factor  = FIXPOINT_SCALING * compensation_factor;
-        const int32_t actual_factor = boost::math::iround(target_factor);
+        const int32_t actual_factor = static_cast<int32_t>(std::lround(target_factor));
         // Write DUC with scaling correction for CIC and DDS that maximizes
         // dynamic range
         _duc_reg_iface.poke32(SR_SCALE_IQ_ADDR, actual_factor, chan);