host: Add static_assert to prevent meta_range_t(0,0)

meta_range_t(0,0) actually calls the iterator-based constructor for
meta_range_t, which is almost certainly not the intended constructor
for that call syntax. Therefore, we add a static_assert to prevent
such usage, and fix all failing instances.

1 files changed, 2 insertions, 2 deletions

diff --git a/host/lib/usrp/x300/x300_radio_control.cpp b/host/lib/usrp/x300/x300_radio_control.cpp
index 73006a7c8..54f03fc6c 100644
--- a/host/lib/usrp/x300/x300_radio_control.cpp
+++ b/host/lib/usrp/x300/x300_radio_control.cpp
@@ -821,7 +821,7 @@ public:
         } else {
             RFNOC_LOG_WARNING(
                 "This device does not support querying the TX DC offset range.");
-            return meta_range_t(0, 0);
+            return meta_range_t(0.0, 0.0);
         }
     }
 
@@ -864,7 +864,7 @@ public:
         } else {
             RFNOC_LOG_WARNING(
                 "This device does not support querying the rx DC offset range.");
-            return meta_range_t(0, 0);
+            return meta_range_t(0.0, 0.0);
         }
     }