aubio_priv.h: add ISDENORMAL

diff --git a/src/aubio_priv.h b/src/aubio_priv.h
index 299d24ca2baba7b4d4b871f5ed00da2fc69b4a5a..314a72afcdb4c5488a82008a7c5feb06f4bfccfb 100644 (file)
--- a/src/aubio_priv.h
+++ b/src/aubio_priv.h
@@ -169,6 +169,8 @@ typedef enum {
 
 #define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
 
+#define ISDENORMAL(f) f < 1.e-37
+
 #define UNUSED __attribute__((unused))
 
 #endif/*_AUBIO_PRIV_H*/