From 9815096db22c73cacdbb65512d1b61d633db7fa8 Mon Sep 17 00:00:00 2001
From: Thomas Grill <xovo@users.sourceforge.net>
Date: Mon, 2 Dec 2002 19:21:08 +0000
Subject:  "version 0.1.1"

svn path=/trunk/; revision=267
---
 externals/grill/vasp/source/ops_cplx.cpp | 85 ++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 externals/grill/vasp/source/ops_cplx.cpp

(limited to 'externals/grill/vasp/source/ops_cplx.cpp')

diff --git a/externals/grill/vasp/source/ops_cplx.cpp b/externals/grill/vasp/source/ops_cplx.cpp
new file mode 100644
index 00000000..70f8c6e2
--- /dev/null
+++ b/externals/grill/vasp/source/ops_cplx.cpp
@@ -0,0 +1,85 @@
+/* 
+
+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.  
+
+*/
+
+#include "ops_cplx.h"
+#include "opdefs.h"
+#include "util.h"
+#include <math.h>
+
+// -----------------------------------------------------
+
+template<class T> V f_polar(T &rv,T &iv,T ra,T ia) { rv = sqrt(sqabs(ra,ia)),iv = arg(ra,ia); }
+template<class T> V f_rect(T &rv,T &iv,T ra,T ia) { rv = ra*cos(ia),iv = ra*sin(ia); }
+
+BL VecOp::d_polar(OpParam &p) { d__cun(f_polar<S>,p); }
+BL VecOp::d_rect(OpParam &p) { d__cun(f_rect<S>,p); }
+
+
+VASP_UNARY("vasp.polar",polar,true,"convert complex vector pair from rectangular to polar coordinates") 
+VASP_UNARY("vasp.rect",rect,true,"convert complex vector pair from polar to rectangular coordinates") 
+
+
+// -----------------------------------------------------
+
+
+template<class T> V f_radd(T &rv,T &iv,T ra,T ia,T rb,T) 
+{ 
+	register const R _abs = sqrt(sqabs(ra,ia))+rb;
+	register const R _phi = arg(ra,ia);
+
+	rv = _abs*cos(_phi),iv = _abs*sin(_phi);
+} 
+
+BL VecOp::d_radd(OpParam &p) { d__cbin(f_radd<S>,p); }
+
+Vasp *VaspOp::m_radd(OpParam &p,Vasp &src,const Argument &arg,Vasp *dst) 
+{ 
+	Vasp *ret = NULL;
+	CVecBlock *vecs = GetCVecs(p.opname,src,dst);
+	if(vecs) {
+		if(arg.IsList() && arg.GetList().Count() >= 1 && flext::CanbeFloat(arg.GetList()[0]))
+			p.cbin.rarg = flext::GetAFloat(arg.GetList()[0]);
+		else {
+			post("%s - argument is invalid -> set to 0",p.opname);
+			p.cbin.rarg = 0;
+		}
+		p.cbin.iarg = 0; // not used anyway
+
+		ret = DoOp(vecs,VecOp::d_radd,p);
+		delete vecs;
+	}
+	return ret;
+}
+
+
+VASP_ANYOP("vasp.r+",radd,0,true,VASP_ARG_R(0),"add offset to complex radius (of complex vector pair)") 
+
+
+// -----------------------------------------------------
+
+template<class T> V f_cnorm(T &rv,T &iv,T ra,T ia) 
+{ 
+	register T f = sqabs(ra,ia);
+	if(f) { f = 1./sqrt(f); rv = ra*f,iv = ia*f; }
+	else rv = iv = 0;
+}
+
+BL VecOp::d_cnorm(OpParam &p) { d__cun(f_cnorm<S>,p); }
+
+VASP_UNARY("vasp.cnorm",cnorm,true,"normalize complex radius to 1 (but preserve angle)")
+
+// -----------------------------------------------------
+
+template<class T> inline V f_cconj(T &,T &iv,T,T ia) { iv = -ia; }
+
+BL VecOp::d_cconj(OpParam &p) { D__cun(f_cconj<S>,p); }
+
+VASP_UNARY("vasp.cconj",cconj,true,"complex conjugate: multiply imaginary part with -1")  // should be replaced by an abstraction
+
-- 
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