1 files changed, 27 insertions, 0 deletions
diff --git a/host/lib/types/time_spec.cpp b/host/lib/types/time_spec.cpp
index aae6a6121..124b08ac9 100644
--- a/host/lib/types/time_spec.cpp
+++ b/host/lib/types/time_spec.cpp
@@ -6,6 +6,7 @@
 //
 
 #include <uhd/types/time_spec.hpp>
+#include <cmath> 
 
 using namespace uhd;
 
@@ -81,6 +82,32 @@ time_spec_t &time_spec_t::operator+=(const time_spec_t &rhs){
     return *this;
 }
 
+time_spec_t &time_spec_t::operator+=(double &rhs){
+    double full_secs = std::trunc(rhs);
+     time_spec_init(
+         this->get_full_secs() + full_secs,
+         this->get_frac_secs() + rhs - full_secs
+    );
+    return *this;
+}
+
+time_spec_t &time_spec_t::operator+(double &rhs){
+    double full_secs = std::trunc(rhs);
+     time_spec_init(
+         this->get_full_secs() + full_secs,
+         this->get_frac_secs() + rhs - full_secs
+    );
+    return *this;
+}
+
+time_spec_t &time_spec_t::operator+(const time_spec_t &rhs){
+    time_spec_init(
+        this->get_full_secs() + rhs.get_full_secs(),
+        this->get_frac_secs() + rhs.get_frac_secs()
+    );
+    return *this;
+}
+
 time_spec_t &time_spec_t::operator-=(const time_spec_t &rhs){
     time_spec_init(
         this->get_full_secs() - rhs.get_full_secs(),