Decomped RoundUpFixedPoint()

1 files changed, 22 insertions, 0 deletions

diff --git a/src/number_util.c b/src/number_util.c
new file mode 100644
index 0000000..97005cd
--- /dev/null
+++ b/src/number_util.c
@@ -0,0 +1,22 @@
+#include "global.h"
+#include "number_util.h"
+
+s32 RoundUpFixedPoint(s32 fixedPointNumber)
+{
+    if ((s16) fixedPointNumber == 0)
+    {
+        if (fixedPointNumber >> 16 == 0)
+        {
+            return 0;
+        }
+        return 1;
+    }
+    else if (fixedPointNumber >> 16 != 0)
+    {
+        return (s16) fixedPointNumber + 1;
+    }
+    else
+    {
+        return (s16) fixedPointNumber;
+    }
+}