Commit LivePathEffect branch to trunk!

(disabled extension/internal/bitmap/*.* in build.xml to fix compilation)

(bzr r3472)

1 files changed, 92 insertions, 0 deletions

diff --git a/src/2geom/sbasis-math.h b/src/2geom/sbasis-math.h
new file mode 100644
index 000000000..529641068
--- /dev/null
+++ b/src/2geom/sbasis-math.h
@@ -0,0 +1,92 @@
+/*
+ *  sbasis-math.h - some std functions to work with (pw)s-basis
+ *
+ *  Authors:
+ *   Jean-Francois Barraud
+ *
+ * Copyright (C) 2006-2007 authors
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ */
+
+//this a first try to define sqrt, cos, sin, etc...
+//TODO: define a truncated compose(sb,sb, order) and extend it to pw<sb>.
+//TODO: in all these functions, compute 'order' according to 'tol'.
+//TODO: use template to define the pw version automatically from the sb version?
+
+#ifndef SEEN_GEOM_SB_CALCULS_H
+#define SEEN_GEOM_SB_CALCULS_H
+
+
+#include "sbasis.h"
+#include "piecewise.h"
+
+namespace Geom{
+//-|x|---------------------------------------------------------------
+Piecewise<SBasis> abs(          SBasis const &f);
+Piecewise<SBasis> abs(Piecewise<SBasis>const &f);
+
+//- max(f,g), min(f,g) ----------------------------------------------
+Piecewise<SBasis> maxSb(          SBasis  const &f,           SBasis  const &g);
+Piecewise<SBasis> maxSb(Piecewise<SBasis> const &f,           SBasis  const &g);
+Piecewise<SBasis> maxSb(          SBasis  const &f, Piecewise<SBasis> const &g);
+Piecewise<SBasis> maxSb(Piecewise<SBasis> const &f, Piecewise<SBasis> const &g);
+Piecewise<SBasis> minSb(          SBasis  const &f,           SBasis  const &g);
+Piecewise<SBasis> minSb(Piecewise<SBasis> const &f,           SBasis  const &g);
+Piecewise<SBasis> minSb(          SBasis  const &f, Piecewise<SBasis> const &g);
+Piecewise<SBasis> minSb(Piecewise<SBasis> const &f, Piecewise<SBasis> const &g);
+
+//-sign(x)---------------------------------------------------------------
+Piecewise<SBasis> signSb(          SBasis const &f);
+Piecewise<SBasis> signSb(Piecewise<SBasis>const &f);
+
+//-Sqrt---------------------------------------------------------------
+Piecewise<SBasis> sqrt(          SBasis const &f, double tol=1e-3, int order=3);
+Piecewise<SBasis> sqrt(Piecewise<SBasis>const &f, double tol=1e-3, int order=3);
+
+//-sin/cos--------------------------------------------------------------
+Piecewise<SBasis> cos(          SBasis  const &f, double tol=1e-3, int order=3);
+Piecewise<SBasis> cos(Piecewise<SBasis> const &f, double tol=1e-3, int order=3);
+Piecewise<SBasis> sin(          SBasis  const &f, double tol=1e-3, int order=3);
+Piecewise<SBasis> sin(Piecewise<SBasis> const &f, double tol=1e-3, int order=3);
+
+//--1/x------------------------------------------------------------
+//TODO: change this...
+Piecewise<SBasis> reciprocalOnDomain(Interval range, double tol=1e-3);
+Piecewise<SBasis> reciprocal(          SBasis const &f, double tol=1e-3, int order=3);
+Piecewise<SBasis> reciprocal(Piecewise<SBasis>const &f, double tol=1e-3, int order=3);
+
+}
+
+#endif //SEEN_GEOM_PW_SB_CALCULUS_H
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype = cpp:expandtab:shiftwidth = 4:tabstop = 8:softtabstop = 4:encoding = utf-8:textwidth = 99 :