Moved Timer impl back to cpp

(I thought it wasn't included on the non-main path, but it is)

1 files changed, 17 insertions, 0 deletions

diff --git a/include/internal/catch_timer.cpp b/include/internal/catch_timer.cpp
index fad86f85..ca09d7bc 100644
--- a/include/internal/catch_timer.cpp
+++ b/include/internal/catch_timer.cpp
@@ -16,4 +16,21 @@ namespace Catch {
         return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
     }
 
+        void Timer::start() {
+           m_nanoseconds = getCurrentNanosecondsSinceEpoch();
+        }
+        auto Timer::getElapsedNanoseconds() const -> unsigned int {
+            return static_cast<unsigned int>(getCurrentNanosecondsSinceEpoch() - m_nanoseconds);
+        }
+        auto Timer::getElapsedMicroseconds() const -> unsigned int {
+            return static_cast<unsigned int>(getElapsedNanoseconds()/1000);
+        }
+        auto Timer::getElapsedMilliseconds() const -> unsigned int {
+            return static_cast<unsigned int>(getElapsedMicroseconds()/1000);
+        }
+        auto Timer::getElapsedSeconds() const -> double {
+            return getElapsedMicroseconds()/1000000.0;
+        }
+
+
 } // namespace Catch