Now returns program from database by reference

1 files changed, 1 insertions, 1 deletions

diff --git a/src/routine.cc b/src/routine.cc
index 064db754..a4e0bb37 100644
--- a/src/routine.cc
+++ b/src/routine.cc
@@ -308,7 +308,7 @@ StatusCode Routine::PadCopyTransposeMatrix(const size_t src_one, const size_t sr
 
 // Queries the cache and retrieves a matching program. Assumes that the match is available, throws
 // otherwise.
-Program Routine::GetProgramFromCache() const {
+const Program& Routine::GetProgramFromCache() const {
   for (auto &cached_program: program_cache_) {
     if (cached_program.MatchInCache(device_name_, precision_, routines_)) {
       return cached_program.program;