From 9d812b3db418fd9816731b761a0853eb38f5a265 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 Jan 2014 23:21:40 -0800
Subject: altos: Switch APRS to compressed position format

This provides lat/lon/alt in fewer bytes while improving precision.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/math/math.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/math/math.h')

diff --git a/src/math/math.h b/src/math/math.h
index fd543bc2..97dd74cf 100644
--- a/src/math/math.h
+++ b/src/math/math.h
@@ -34,4 +34,6 @@ float scalbnf(float x, int n);
 
 float copysignf(float x, float y);
 
+float logf(float x);
+
 #endif
-- 
cgit v1.2.3