1 files changed, 2 insertions, 0 deletions
diff --git a/src/io.h b/src/io.h
index 27110b7..bbf20ae 100644
--- a/src/io.h
+++ b/src/io.h
@@ -5,9 +5,11 @@
 
 // write u to file
 int write_u(_Complex double* u, int K1, int K2, FILE* file);
+int write_u_bin(_Complex double* u, int K1, int K2, FILE* file);
 
 // read u from file
 int read_u(_Complex double* u, int K1, int K2, FILE* file);
+int read_u_bin(_Complex double* u, int K1, int K2, FILE* file);
 
 // remove an entry from params string (inplace)
 int remove_entry(char* param_str, char* entry);