[seiscomp, scanloc] Install, add .gitignore

include/seiscomp/math/matrix3.h

@@ -0,0 +1,88 @@
+/***************************************************************************
+ * Copyright (C) gempa GmbH                                                *
+ * All rights reserved.                                                    *
+ * Contact: gempa GmbH (seiscomp-dev@gempa.de)                             *
+ *                                                                         *
+ * GNU Affero General Public License Usage                                 *
+ * This file may be used under the terms of the GNU Affero                 *
+ * Public License version 3.0 as published by the Free Software Foundation *
+ * and appearing in the file LICENSE included in the packaging of this     *
+ * file. Please review the following information to ensure the GNU Affero  *
+ * Public License version 3.0 requirements will be met:                    *
+ * https://www.gnu.org/licenses/agpl-3.0.html.                             *
+ *                                                                         *
+ * Other Usage                                                             *
+ * Alternatively, this file may be used in accordance with the terms and   *
+ * conditions contained in a signed written agreement between you and      *
+ * gempa GmbH.                                                             *
+ ***************************************************************************/
+
+
+#ifndef SEISCOMP_MATH_MATRIX3_H
+#define SEISCOMP_MATH_MATRIX3_H
+
+
+#include <seiscomp/math/vector3.h>
+#include <string.h>
+
+
+namespace Seiscomp {
+namespace Math {
+
+
+template <typename T>
+struct Matrix3 {
+	Matrix3() {}
+	Matrix3(const Matrix3<T> &other) {
+		memcpy(d, other.d, sizeof(d));
+	}
+
+	Matrix3<T> &identity();
+
+	Matrix3<T> &setRow(int row, const Vector3<T> &v);
+	Matrix3<T> &setColumn(int col, const Vector3<T> &v);
+
+	//! Returns a copy of the r-th row
+	Vector3<T> row(int r) const;
+
+	//! Returns a copy of the c-th column
+	Vector3<T> column(int c) const;
+
+	Matrix3<T> &loadRotateX(T theta);
+	Matrix3<T> &loadRotateY(T theta);
+	Matrix3<T> &loadRotateZ(T theta);
+
+	Matrix3<T> &mult(const Matrix3<T> &a, const Matrix3<T> &b);
+
+	Vector3<T> &transform(Vector3<T> &dst, const Vector3<T> &v) const;
+	Vector3<T> &invTransform(Vector3<T> &dst, const Vector3<T> &v) const;
+
+	operator T *() { return (T*)this; }
+	operator const T *() const { return (const T*)this; }
+
+	Vector3<T> operator*(const Vector3<T> &v) const;
+
+	// Coefficients
+	union {
+		T d[3][3];
+
+		struct {
+			T _11, _12, _13;
+			T _21, _22, _23;
+			T _31, _32, _33;
+		} c;
+	};
+};
+
+
+typedef Matrix3<float>  Matrix3f;
+typedef Matrix3<double> Matrix3d;
+
+
+#include <seiscomp/math/matrix3.ipp>
+
+
+} // namespace Math
+} // namespace Seiscomp
+
+#endif