From 85383e488be4e99eab40b34d59e20d0114dfaaa3 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Sun, 8 Nov 2015 16:33:32 -0800
Subject: [PATCH] std::fma not necessary with proper compiler options.

std::fma isn't available on Ubuntu 15.04 arm-gcc, apparently. Hence my reviewing this code...
---
 firmware/common/sine_table.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/firmware/common/sine_table.hpp b/firmware/common/sine_table.hpp
index 479de877..84979dfe 100644
--- a/firmware/common/sine_table.hpp
+++ b/firmware/common/sine_table.hpp
@@ -142,8 +142,7 @@ inline float sin_f32(const float w) {
 	const float p0 = sine_table_f32[n_int + 0];
 	const float p1 = sine_table_f32[n_int + 1];
 	const float diff = p1 - p0;
-	//const float result = p0 + n_frac * diff;
-	const float result = std::fma(n_frac, diff, p0);
+	const float result = p0 + n_frac * diff;
 	return result;
 }