remove empty sigc++2 directory

git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 0 insertions, 132 deletions

diff --git a/libs/ardour/ardour/logcurve.h b/libs/ardour/ardour/logcurve.h
deleted file mode 100644
index dd58263313..0000000000
--- a/libs/ardour/ardour/logcurve.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
-    Copyright (C) 2001 Steve Harris & Paul Davis 
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#ifndef __ardour_logcurve_h__
-#define __ardour_logcurve_h__
-
-#include <pbd/fastlog.h>
-#include <glibmm/thread.h>
-
-namespace ARDOUR {
-
-class LogCurve {
-  public:
-	LogCurve (float steepness = 0.2, uint32_t len = 0) {
-		l = len;
-		S = steepness;
-		a = log(S);
-		b = 1.0f / log(1.0f + (1.0f / S));
-	}
-
-	bool operator== (const LogCurve& other) const {
-		return S == other.S && l == other.l;
-	}
-
-	bool operator!= (const LogCurve& other) const {
-		return S != other.S || l != other.l;
-	}
-	
-	float value (float frac) const {
-		return (fast_log(frac + S) - a) * b;
-	} 
-	
-	float value (uint32_t pos) const {
-		return (fast_log(((float) pos/l) + S) - a) * b;
-	} 
-
-	float invert_value (float frac) const {
-		return (a - fast_log(frac + S)) * b;
-	} 
-	
-	float invert_value (uint32_t pos) const {
-		return (a - fast_log(((float) pos/l) + S)) * b;
-	} 
-
-	void fill (float *vec, uint32_t veclen, bool invert) const {
-		float dx = 1.0f/veclen;
-		float x;
-		uint32_t i;
-
-		if (!invert) {
-
-			vec[0] = 0.0;
-			vec[veclen-1] = 1.0;
-
-			for (i = 1, x = 0; i < veclen - 1; x += dx, i++) {
-				vec[i] = value (x);
-			}
-
-		} else {
-
-			vec[0] = 1.0;
-			vec[veclen-1] = 0.0;
-
-			for (i = veclen-2, x = 0.0f; i > 0; x += dx, i--) {
-				vec[i] = value (x);
-			}
-		}
-	}
-
-	float steepness() const { return S; }
-	uint32_t length() const { return l; }
-	
-	void set_steepness (float steepness) { 
-		S = steepness; 
-		a = log(S); 		
-		b = 1.0f / log(1.0f + (1.0f / S));
-	}
-	void set_length (uint32_t len) { l = len; }
-
-	mutable Glib::Mutex lock;
-
-  protected:
-	float a;
-	float b;
-	float S;
-	uint32_t l;
-};
-
-class LogCurveIn : public LogCurve 
-{
-  public:
-	LogCurveIn (float steepness = 0.2, uint32_t len = 0) 
-		: LogCurve (steepness, len) {}
-
-	float value (float frac) const {
-		return (fast_log(frac + S) - a) * b;
-	} 
-	
-	float value (uint32_t pos) const {
-		return (fast_log(((float) pos/l) + S) - a) * b;
-	} 
-};
-
-class LogCurveOut : public LogCurve 
-{
-  public:
-	LogCurveOut (float steepness = 0.2, uint32_t len = 0) 
-		: LogCurve (steepness, len) {}
-
-};
-
-} // namespace ARDOUR
-
-#endif /* __ardour_logcurve_h__ */
-
-