Fix "left shift of negative value" warning

cfr34k · Mar 2, 2019 · 4599cdc · 4599cdc
1 parent e3b2e82
commit 4599cdc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/fxp.h b/include/fxp.h
@@ -13,7 +13,7 @@
 /*
  * FXP conversion macros
  */
-#define FXP_FROM_INT(x) ((fxp_t)(x) << POINTPOS)
+#define FXP_FROM_INT(x) ((x >= 0) ? ((fxp_t)(x) << POINTPOS) : (-((fxp_t)(-x) << POINTPOS)))
 #define FXP_TO_INT(x)   ((int32_t)((x) >> POINTPOS))
 
 /*