} aubio_status;
#ifdef HAVE_C99_VARARGS_MACROS
-#define AUBIO_ERR(...) fprintf(stderr,__VA_ARGS__)
-#define AUBIO_MSG(...) fprintf(stdout,__VA_ARGS__)
-#define AUBIO_DBG(...) fprintf(stderr,__VA_ARGS__)
+#define AUBIO_ERR(...) fprintf(stderr, "AUBIO ERROR: " __VA_ARGS__)
+#define AUBIO_MSG(...) fprintf(stdout, __VA_ARGS__)
+#define AUBIO_DBG(...) fprintf(stderr, __VA_ARGS__)
+#define AUBIO_WRN(...) fprintf(stderr, "AUBIO WARNING: " __VA_ARGS__)
#else
-#define AUBIO_ERR(format, args...) fprintf(stderr, format , ##args)
+#define AUBIO_ERR(format, args...) fprintf(stderr, "AUBIO ERROR: " format , ##args)
#define AUBIO_MSG(format, args...) fprintf(stdout, format , ##args)
#define AUBIO_DBG(format, args...) fprintf(stderr, format , ##args)
+#define AUBIO_WRN(...) fprintf(stderr, "AUBIO WARNING: " format, ##args)
#endif
#define AUBIO_QUIT(_s) exit(_s)
#define TWO_PI (PI*2.)
/* aliases to math.h functions */
+#if AUBIO_SINGLE_PRECISION
#define EXP expf
#define COS cosf
#define SIN sinf
#define LOG logf
#define FLOOR floorf
#define CEIL ceilf
+#else
+#define EXP exp
+#define COS cos
+#define SIN sin
+#define ABS fabs
+#define POW pow
+#define SQRT sqrt
+#define LOG10 log10
+#define LOG log
+#define FLOOR floor
+#define CEIL ceil
+#endif
#define ROUND(x) FLOOR(x+.5)
/* aliases to complex.h functions */
-#if !defined(HAVE_COMPLEX_H) || defined(WIN32)
+#if !defined(AUBIO_SINGLE_PRECISION) || !defined(HAVE_COMPLEX_H) || defined(WIN32)
/* mingw32 does not know about c*f functions */
#define EXPC cexp
/** complex = CEXPC(complex) */