Changeset 77a321c for src

Timestamp:

Oct 11, 2009, 12:32:05 PM (15 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

76fc277

Parents:

5f4fd2f

Message:

src/aubio_priv.h: IS_DENORMAL also for negative ones, CEIL_DENORMAL for anything below 2.e-42

File:

• src/aubio_priv.h (modified) (1 diff)

src/aubio_priv.h

@@ -198 +198 @@
 #define VERY_SMALL_NUMBER 2.e-42 //1.e-37
 
-#define IS_DENORMAL(f) f < VERY_SMALL_NUMBER
-
+/** if ABS(f) < VERY_SMALL_NUMBER, returns 1, else 0 */
+#define IS_DENORMAL(f) ABS(f) < VERY_SMALL_NUMBER
+
+/** if ABS(f) < VERY_SMALL_NUMBER, returns 0., else f */
 #define KILL_DENORMAL(f)  IS_DENORMAL(f) ? 0. : f
-#define CEIL_DENORMAL(f)  IS_DENORMAL(f) ? VERY_SMALL_NUMBER : f
+
+/** if f > VERY_SMALL_NUMBER, returns f, else returns VERY_SMALL_NUMBER */
+#define CEIL_DENORMAL(f)  f < VERY_SMALL_NUMBER ? VERY_SMALL_NUMBER : f
 
 #define SAFE_LOG10(f) LOG10(CEIL_DENORMAL(f))