Create repository for single-row wedge cuts

qxx/include/qxx/dmat.hpp

@@ -0,0 +1,104 @@
+/*
+    This file is part of qxx -- matrix algebra in exact arithmetic
+    Copyright (C) 2013-2014  Laurent Poirrier
+
+    libp 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, version 3 of the License.
+
+    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 pxx.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef QXX_DMAT_HPP
+#define QXX_DMAT_HPP
+#include <cstdio>
+#include "rational.hpp"
+#include "dvec.hpp"
+
+
+// **************************************************************************
+// 
+// **************************************************************************
+namespace q {
+
+// **************************************************************************
+// 
+// **************************************************************************
+class dmat {
+
+public:
+	dmat();
+	dmat(const dmat &b);
+	dmat(int m, int n);
+
+	int rows() const;
+	int cols() const;
+	void resize(int m, int n);
+	void clear();
+
+	const mpq &get(int i, int j) const;
+	void set(int i, int j, const mpq &v);
+	void set(const mpq &v);
+	void set_identity();
+
+	dvec get_col(int j) const;
+	void set_col(int j, const dvec &v);
+	const dvec &get_row(int i) const;
+	void set_row(int i, const dvec &v);
+
+	dvec &operator[] (int i);
+	const dvec &operator[] (int i) const;
+	mpq &operator() (int i, int j);
+	const mpq &operator() (int i, int j) const;
+	
+	const dmat &operator+() const;
+	dmat operator-() const;
+	dmat operator+(const dmat &b) const;
+	dmat operator-(const dmat &b) const;
+	dmat operator*(const dmat &b) const;
+	dvec operator*(const dvec &v) const;
+	dmat operator*(const mpq &v) const;
+	dmat operator/(const mpq &v) const;
+	dmat inv() const;
+	dmat t() const;
+	mpq det() const;
+
+	bool operator==(const dmat &b) const;
+	bool operator!=(const dmat &b) const;
+
+	dmat &operator=(const dmat &b);
+	dmat &operator=(const dvec &v);
+	
+	dmat &operator+=(const dmat &b);
+	dmat &operator-=(const dmat &b);
+	dmat &operator*=(const dmat &b);
+	dmat &operator*=(const mpq &v);
+	dmat &operator/=(const mpq &v);
+	
+	void fdump(FILE *f, const std::string &name = "") const;
+	void dump(const std::string &name = "") const;
+	
+private:
+	int m, n;
+	std::vector<dvec> d;
+
+};
+
+// **************************************************************************
+// 
+// **************************************************************************
+std::ostream &operator<<(std::ostream &os, const dmat &a);
+
+
+// **************************************************************************
+// 
+// **************************************************************************
+}
+
+#endif
+