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-rw-r--r--include/lib/math.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/lib/math.h b/include/lib/math.h
index a39974cc..04fd2db4 100644
--- a/include/lib/math.h
+++ b/include/lib/math.h
@@ -55,6 +55,10 @@ typedef struct {
/* 24 */
} Mat3p;
+#define DEG_TO_ANG(n) ((n) * 0x10000 / 360)
+
+extern "C" s16 Atan2(s32 x, s32 y);
+
extern "C" u32 FastDivide(u32 a, u32 b);
extern "C" u32 Divide(u32 a, u32 b);
extern "C" bool Approach(unk32 *src, unk32 dest, unk32 step);