1 files changed, 0 insertions, 3 deletions
diff --git a/src/option.cpp b/src/option.cpp
index b8c2799..918e735 100644
--- a/src/option.cpp
+++ b/src/option.cpp
@@ -5,9 +5,6 @@ double pos (double x){
     return x>0?x:0;
 }
 
-double frac_part(double x){
-    return x - floor(x);
-}
 
 int main(){
     init_alea(1);