diff --git a/programs/make.sh b/programs/make.sh
index 6e5b564..3d9b92e 100755
--- a/programs/make.sh
+++ b/programs/make.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
-PROGRAM=testSDL
+PROGRAM=helloTerminal
 
-clear; clear; g++ -x c -g -fmax-errors=5 -pedantic -Wall -Wextra -o $PROGRAM $PROGRAM.c -lSDL2 2>&1 >/dev/null && ./$PROGRAM
+clear; clear; g++ -x c -g -fmax-errors=5 -pedantic -O3 -Wall -Wextra -o $PROGRAM $PROGRAM.c -lSDL2 2>&1 >/dev/null && ./$PROGRAM
+#clear; clear; clang -x c -g -pedantic -O3 -Wall -Wextra -o $PROGRAM $PROGRAM.c -lSDL2 2>&1 >/dev/null && ./$PROGRAM
diff --git a/small3dlib.h b/small3dlib.h
index 034f477..3452240 100644
--- a/small3dlib.h
+++ b/small3dlib.h
@@ -1286,9 +1286,12 @@ S3L_Unit S3L_sin(S3L_Unit x)
   int8_t positive = 1;
 
   if (x < S3L_SIN_TABLE_LENGTH)
-    x = x;
+  {
+  }
   else if (x < S3L_SIN_TABLE_LENGTH * 2)
+  {
     x = S3L_SIN_TABLE_LENGTH * 2 - x - 1;
+  }
   else if (x < S3L_SIN_TABLE_LENGTH * 3)
   {
     x = x - S3L_SIN_TABLE_LENGTH * 2;