From ceef8d32d3b5da9a4faf7b98cad7ae677c63a600 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Tue, 2 Feb 2016 16:15:14 -0800
Subject: [PATCH] Use more accurate arctan for NBFM demodulation.

---
 firmware/baseband/dsp_demodulate.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/firmware/baseband/dsp_demodulate.cpp b/firmware/baseband/dsp_demodulate.cpp
index b0eae2b5..1c59c174 100644
--- a/firmware/baseband/dsp_demodulate.cpp
+++ b/firmware/baseband/dsp_demodulate.cpp
@@ -99,8 +99,8 @@ buffer_f32_t FM::execute(
 		const auto t0 = multiply_conjugate_s16_s32(s0, z);
 		const auto t1 = multiply_conjugate_s16_s32(s1, s0);
 		z = s1;
-		*(dst_p++) = angle_approx_0deg27(t0) * k;
-		*(dst_p++) = angle_approx_0deg27(t1) * k;
+		*(dst_p++) = angle_precise(t0) * k;
+		*(dst_p++) = angle_precise(t1) * k;
 	}
 	z_ = z;