From b63c7d39b93d044178d20a2c54dd54d12cd45489 Mon Sep 17 00:00:00 2001
From: Paul Brossier <piem@piem.org>
Date: Sun, 26 Mar 2017 17:38:41 +0200
Subject: [PATCH] src/cvec.h: add formula

---
 src/cvec.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/cvec.h b/src/cvec.h
index be4bbab6..7c826b68 100644
--- a/src/cvec.h
+++ b/src/cvec.h
@@ -235,6 +235,8 @@ void cvec_zeros(cvec_t *s);
   \param s input cvec to compress
   \param lambda value to use for normalisation
 
+  \f$ S_k = log( \lambda * S_k + 1 ) \f$
+
 */
 void cvec_logmag(cvec_t *s, smpl_t lambda);
 
-- 
2.11.0