From 080ddd252d94b9304db3858bc3b7f79cf2f89f33 Mon Sep 17 00:00:00 2001
From: Florian Jung <flo@thinkpad.(none)>
Date: Fri, 4 Feb 2011 16:29:08 +0100
Subject: factor[foo] now accepts semitones instead of a factor

However, internally, factor still behaves as usual.
Only all functions which can set/change .factor do the calculation
from semitones to the real factor.
---
 synth/parser.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'synth/parser.cpp')

diff --git a/synth/parser.cpp b/synth/parser.cpp
index 174e0ee..1b8befb 100644
--- a/synth/parser.cpp
+++ b/synth/parser.cpp
@@ -1,5 +1,6 @@
 #include <cstdlib>
 #include <fstream>
+#include <cmath>
 
 #include "parser.h"
 #include "defines.h"
@@ -413,7 +414,7 @@ program_t parse(string fn)
 							}
 							break;
 						case FACTOR:
-							osc[ind].factor=val*ONE;
+							osc[ind].factor=pow(2.0,val/12.0) *ONE;
 							break;
 						case TREMOLO:
 							osc[ind].tremolo_depth=int(val);
-- 
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