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diff --git a/externals/grill/vasp/source/main.h b/externals/grill/vasp/source/main.h
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+/* 
+
+VASP modular - vector assembling signal processor / objects for Max/MSP and PD
+
+Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
+For information on usage and redistribution, and for a DISCLAIMER OF ALL
+WARRANTIES, see the file, "license.txt," in this distribution.  
+
+*/
+
+#ifndef __VASP_H
+#define __VASP_H
+
+#include <flext.h>
+
+#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 400)
+#error You need at least flext version 0.4.0
+#endif
+
+
+#include <typeinfo>
+#include <stdlib.h>
+
+class complex;
+class vector;
+
+#if 0
+	#define I int
+	#define L long
+	#define UL unsigned long
+	#define F float
+	#define D double
+	#define C char
+	#define BL bool
+	#define V void
+	#define S t_sample // type for samples
+	#define R double // type for internal calculations
+	#define CX complex
+	#define VX vector
+#else
+	typedef int I;
+	typedef long L;
+	typedef unsigned long UL;
+	typedef float F;
+	typedef double D;
+	typedef char C;
+	typedef bool BL;
+	typedef void V;
+	typedef t_sample S; // type for samples
+	typedef double R; // type for internal calculations
+	typedef complex CX;
+	typedef vector VX;
+#endif
+
+#ifdef PD
+// buffers are never interleaved - special optimizations may occur
+// attention: possibly obsolete when immediate file access is implemented
+#define VASP_CHN1  
+#endif
+
+class complex 
+{ 
+public:
+	complex() {}
+	complex(F re,F im = 0): real(re),imag(im) {}
+
+	F real,imag; 
+};
+
+class vector 
+{ 
+public:
+	vector(): dim(0),data(NULL) {}
+	~vector() { if(data) delete[] data; }
+
+	I Dim() const { return dim; }
+	F *Data() { return data; }
+	const F *Data() const { return data; }
+protected:
+	I dim; F *data; 
+};
+
+#endif