Vector.java

/*
 * Copyright 2009 by Kevin Day.
 *
 * 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/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999-2008 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000-2008 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */
package com.lowagie.text.pdf.parser;

/**
 * Represents a vector (i.e. a point in space).  This class is completely
 * unrelated to the {@link java.util.Vector} class in the standard JRE.
 * <br><br>
 * For many PDF related operations, the z coordinate is specified as 1
 * This is to support the coordinate transformation calculations.  If it
 * helps, just think of all PDF drawing operations as occurring in a single plane
 * with z=1.
 */
@SuppressWarnings("WeakerAccess")
public class Vector {
    /**
     * index of the X coordinate
     */
    private static final int I1 = 0;
    /**
     * index of the Y coordinate
     */
    private static final int I2 = 1;
    /**
     * index of the Z coordinate
     */
    private static final int I3 = 2;

    /**
     * the values inside the vector
     */
    private final float[] values = new float[]{
            0, 0, 0
    };

    /**
     * Creates a new Vector
     *
     * @param x the X coordinate
     * @param y the Y coordinate
     * @param z the Z coordinate
     */
    public Vector(float x, float y, float z) {
        values[I1] = x;
        values[I2] = y;
        values[I3] = z;
    }

    /**
     * Gets the value from a coordinate of the vector
     *
     * @param index the index of the value to get (I1, I2 or I3)
     * @return value from a coordinate of the vector
     */
    public float get(int index) {
        return values[index];
    }

    /**
     * Computes the cross product of this vector and the specified matrix
     *
     * @param by the matrix to cross this vector with
     * @return the result of the cross product
     */
    public Vector cross(Matrix by) {
        float x = values[I1] * by.get(Matrix.I11) + values[I2] * by.get(Matrix.I21) + values[I3] * by.get(Matrix.I31);
        float y = values[I1] * by.get(Matrix.I12) + values[I2] * by.get(Matrix.I22) + values[I3] * by.get(Matrix.I32);
        float z = values[I1] * by.get(Matrix.I13) + values[I2] * by.get(Matrix.I23) + values[I3] * by.get(Matrix.I33);

        return new Vector(x, y, z);
    }

    /**
     * Computes the difference between this vector and the specified vector
     *
     * @param v the vector to subtract from this one
     * @return the results of the subtraction
     */
    public Vector subtract(Vector v) {
        float x = values[I1] - v.values[I1];
        float y = values[I2] - v.values[I2];
        float z = values[I3] - v.values[I3];

        return new Vector(x, y, z);
    }

    /**
     * Computes the sum of this vector and the specified vector
     *
     * @param v the vector to subtract from this one
     * @return the results of the subtraction
     */
    public Vector add(Vector v) {
        float x = values[I1] + v.values[I1];
        float y = values[I2] + v.values[I2];
        float z = values[I3] + v.values[I3];

        return new Vector(x, y, z);
    }

    /**
     * Computes the cross product of this vector and the specified vector
     *
     * @param with the vector to cross this vector with
     * @return the cross product
     */
    public Vector cross(Vector with) {
        float x = values[I2] * with.values[I3] - values[I3] * with.values[I2];
        float y = values[I3] * with.values[I1] - values[I1] * with.values[I3];
        float z = values[I1] * with.values[I2] - values[I2] * with.values[I1];

        return new Vector(x, y, z);
    }

    /**
     * Computes the dot product of this vector with the specified vector
     *
     * @param with the vector to dot product this vector with
     * @return the dot product
     */
    public float dot(Vector with) {
        return values[I1] * with.values[I1] + values[I2] * with.values[I2] + values[I3] * with.values[I3];
    }

    /**
     * Computes the length of this vector
     *
     * <b>Note:</b> If you are working with raw vectors from PDF, be careful -
     * the Z axis will generally be set to 1.  If you want to compute the
     * length of a vector, subtract it from the origin first (this will set
     * the Z axis to 0).
     * <p>
     * For example:
     * <code>aVector.subtract(originVector).length();</code>
     *
     * @return the length of this vector
     */
    public float length() {
        return (float) Math.sqrt(lengthSquared());
    }

    /**
     * Computes the length squared of this vector.
     * <p>
     * The square of the length is less expensive to compute, and is often
     * useful without taking the square root.
     * <br><br>
     * <b>Note:</b> See the important note under {@link Vector#length()}
     *
     * @return the square of the length of the vector
     */
    public float lengthSquared() {
        return values[I1] * values[I1] + values[I2] * values[I2] + values[I3] * values[I3];
    }

    /**
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return values[I1] + "," + values[I2] + "," + values[I3];
    }
}






















Active mutators

INCREMENTS_MUTATOR
VOID_METHOD_CALL_MUTATOR
RETURN_VALS_MUTATOR
MATH_MUTATOR
NEGATE_CONDITIONALS_MUTATOR
INVERT_NEGS_MUTATOR
CONDITIONALS_BOUNDARY_MUTATOR

Tests examined

Report generated by PIT 1.4.2

1		/*
2		* Copyright 2009 by Kevin Day.
3		*
4		* The contents of this file are subject to the Mozilla Public License Version 1.1
5		* (the "License"); you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at http://www.mozilla.org/MPL/
7		*
8		* Software distributed under the License is distributed on an "AS IS" basis,
9		* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10		* for the specific language governing rights and limitations under the License.
11		*
12		* The Original Code is 'iText, a free JAVA-PDF library'.
13		*
14		* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
15		* the Initial Developer are Copyright (C) 1999-2008 by Bruno Lowagie.
16		* All Rights Reserved.
17		* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
18		* are Copyright (C) 2000-2008 by Paulo Soares. All Rights Reserved.
19		*
20		* Contributor(s): all the names of the contributors are added in the source code
21		* where applicable.
22		*
23		* Alternatively, the contents of this file may be used under the terms of the
24		* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
25		* provisions of LGPL are applicable instead of those above. If you wish to
26		* allow use of your version of this file only under the terms of the LGPL
27		* License and not to allow others to use your version of this file under
28		* the MPL, indicate your decision by deleting the provisions above and
29		* replace them with the notice and other provisions required by the LGPL.
30		* If you do not delete the provisions above, a recipient may use your version
31		* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
32		*
33		* This library is free software; you can redistribute it and/or modify it
34		* under the terms of the MPL as stated above or under the terms of the GNU
35		* Library General Public License as published by the Free Software Foundation;
36		* either version 2 of the License, or any later version.
37		*
38		* This library is distributed in the hope that it will be useful, but WITHOUT
39		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
40		* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
41		* details.
42		*
43		* If you didn't download this code from the following link, you should check if
44		* you aren't using an obsolete version:
45		* http://www.lowagie.com/iText/
46		*/
47		package com.lowagie.text.pdf.parser;
48
49		/**
50		* Represents a vector (i.e. a point in space). This class is completely
51		* unrelated to the {@link java.util.Vector} class in the standard JRE.
52		* <br><br>
53		* For many PDF related operations, the z coordinate is specified as 1
54		* This is to support the coordinate transformation calculations. If it
55		* helps, just think of all PDF drawing operations as occurring in a single plane
56		* with z=1.
57		*/
58		@SuppressWarnings("WeakerAccess")
59		public class Vector {
60		/**
61		* index of the X coordinate
62		*/
63		private static final int I1 = 0;
64		/**
65		* index of the Y coordinate
66		*/
67		private static final int I2 = 1;
68		/**
69		* index of the Z coordinate
70		*/
71		private static final int I3 = 2;
72
73		/**
74		* the values inside the vector
75		*/
76		private final float[] values = new float[]{
77		0, 0, 0
78		};
79
80		/**
81		* Creates a new Vector
82		*
83		* @param x the X coordinate
84		* @param y the Y coordinate
85		* @param z the Z coordinate
86		*/
87		public Vector(float x, float y, float z) {
88		values[I1] = x;
89		values[I2] = y;
90		values[I3] = z;
91		}
92
93		/**
94		* Gets the value from a coordinate of the vector
95		*
96		* @param index the index of the value to get (I1, I2 or I3)
97		* @return value from a coordinate of the vector
98		*/
99		public float get(int index) {
100	1 1. get : replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::get → NO_COVERAGE	return values[index];
101		}
102
103		/**
104		* Computes the cross product of this vector and the specified matrix
105		*
106		* @param by the matrix to cross this vector with
107		* @return the result of the cross product
108		*/
109		public Vector cross(Matrix by) {
110	5 1. cross : Replaced float multiplication with division → NO_COVERAGE 2. cross : Replaced float multiplication with division → NO_COVERAGE 3. cross : Replaced float addition with subtraction → NO_COVERAGE 4. cross : Replaced float multiplication with division → NO_COVERAGE 5. cross : Replaced float addition with subtraction → NO_COVERAGE	float x = values[I1] * by.get(Matrix.I11) + values[I2] * by.get(Matrix.I21) + values[I3] * by.get(Matrix.I31);
111	5 1. cross : Replaced float multiplication with division → NO_COVERAGE 2. cross : Replaced float multiplication with division → NO_COVERAGE 3. cross : Replaced float addition with subtraction → NO_COVERAGE 4. cross : Replaced float multiplication with division → NO_COVERAGE 5. cross : Replaced float addition with subtraction → NO_COVERAGE	float y = values[I1] * by.get(Matrix.I12) + values[I2] * by.get(Matrix.I22) + values[I3] * by.get(Matrix.I32);
112	5 1. cross : Replaced float multiplication with division → NO_COVERAGE 2. cross : Replaced float multiplication with division → NO_COVERAGE 3. cross : Replaced float addition with subtraction → NO_COVERAGE 4. cross : Replaced float multiplication with division → NO_COVERAGE 5. cross : Replaced float addition with subtraction → NO_COVERAGE	float z = values[I1] * by.get(Matrix.I13) + values[I2] * by.get(Matrix.I23) + values[I3] * by.get(Matrix.I33);
113
114	1 1. cross : mutated return of Object value for com/lowagie/text/pdf/parser/Vector::cross to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return new Vector(x, y, z);
115		}
116
117		/**
118		* Computes the difference between this vector and the specified vector
119		*
120		* @param v the vector to subtract from this one
121		* @return the results of the subtraction
122		*/
123		public Vector subtract(Vector v) {
124	1 1. subtract : Replaced float subtraction with addition → NO_COVERAGE	float x = values[I1] - v.values[I1];
125	1 1. subtract : Replaced float subtraction with addition → NO_COVERAGE	float y = values[I2] - v.values[I2];
126	1 1. subtract : Replaced float subtraction with addition → NO_COVERAGE	float z = values[I3] - v.values[I3];
127
128	1 1. subtract : mutated return of Object value for com/lowagie/text/pdf/parser/Vector::subtract to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return new Vector(x, y, z);
129		}
130
131		/**
132		* Computes the sum of this vector and the specified vector
133		*
134		* @param v the vector to subtract from this one
135		* @return the results of the subtraction
136		*/
137		public Vector add(Vector v) {
138	1 1. add : Replaced float addition with subtraction → NO_COVERAGE	float x = values[I1] + v.values[I1];
139	1 1. add : Replaced float addition with subtraction → NO_COVERAGE	float y = values[I2] + v.values[I2];
140	1 1. add : Replaced float addition with subtraction → NO_COVERAGE	float z = values[I3] + v.values[I3];
141
142	1 1. add : mutated return of Object value for com/lowagie/text/pdf/parser/Vector::add to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return new Vector(x, y, z);
143		}
144
145		/**
146		* Computes the cross product of this vector and the specified vector
147		*
148		* @param with the vector to cross this vector with
149		* @return the cross product
150		*/
151		public Vector cross(Vector with) {
152	3 1. cross : Replaced float multiplication with division → NO_COVERAGE 2. cross : Replaced float multiplication with division → NO_COVERAGE 3. cross : Replaced float subtraction with addition → NO_COVERAGE	float x = values[I2] * with.values[I3] - values[I3] * with.values[I2];
153	3 1. cross : Replaced float multiplication with division → NO_COVERAGE 2. cross : Replaced float multiplication with division → NO_COVERAGE 3. cross : Replaced float subtraction with addition → NO_COVERAGE	float y = values[I3] * with.values[I1] - values[I1] * with.values[I3];
154	3 1. cross : Replaced float multiplication with division → NO_COVERAGE 2. cross : Replaced float multiplication with division → NO_COVERAGE 3. cross : Replaced float subtraction with addition → NO_COVERAGE	float z = values[I1] * with.values[I2] - values[I2] * with.values[I1];
155
156	1 1. cross : mutated return of Object value for com/lowagie/text/pdf/parser/Vector::cross to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return new Vector(x, y, z);
157		}
158
159		/**
160		* Computes the dot product of this vector with the specified vector
161		*
162		* @param with the vector to dot product this vector with
163		* @return the dot product
164		*/
165		public float dot(Vector with) {
166	6 1. dot : Replaced float multiplication with division → NO_COVERAGE 2. dot : Replaced float multiplication with division → NO_COVERAGE 3. dot : Replaced float addition with subtraction → NO_COVERAGE 4. dot : Replaced float multiplication with division → NO_COVERAGE 5. dot : Replaced float addition with subtraction → NO_COVERAGE 6. dot : replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::dot → NO_COVERAGE	return values[I1] * with.values[I1] + values[I2] * with.values[I2] + values[I3] * with.values[I3];
167		}
168
169		/**
170		* Computes the length of this vector
171		*
172		* <b>Note:</b> If you are working with raw vectors from PDF, be careful -
173		* the Z axis will generally be set to 1. If you want to compute the
174		* length of a vector, subtract it from the origin first (this will set
175		* the Z axis to 0).
176		* <p>
177		* For example:
178		* <code>aVector.subtract(originVector).length();</code>
179		*
180		* @return the length of this vector
181		*/
182		public float length() {
183	1 1. length : replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::length → NO_COVERAGE	return (float) Math.sqrt(lengthSquared());
184		}
185
186		/**
187		* Computes the length squared of this vector.
188		* <p>
189		* The square of the length is less expensive to compute, and is often
190		* useful without taking the square root.
191		* <br><br>
192		* <b>Note:</b> See the important note under {@link Vector#length()}
193		*
194		* @return the square of the length of the vector
195		*/
196		public float lengthSquared() {
197	6 1. lengthSquared : Replaced float multiplication with division → NO_COVERAGE 2. lengthSquared : Replaced float multiplication with division → NO_COVERAGE 3. lengthSquared : Replaced float addition with subtraction → NO_COVERAGE 4. lengthSquared : Replaced float multiplication with division → NO_COVERAGE 5. lengthSquared : Replaced float addition with subtraction → NO_COVERAGE 6. lengthSquared : replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::lengthSquared → NO_COVERAGE	return values[I1] * values[I1] + values[I2] * values[I2] + values[I3] * values[I3];
198		}
199
200		/**
201		* @see java.lang.Object#toString()
202		*/
203		@Override
204		public String toString() {
205		return values[I1] + "," + values[I2] + "," + values[I3];
206		}
207		}
		Mutations
100		1.1 Location : get Killed by : none replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::get → NO_COVERAGE
110		1.1 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : cross Killed by : none Replaced float addition with subtraction → NO_COVERAGE 4.4 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 5.5 Location : cross Killed by : none Replaced float addition with subtraction → NO_COVERAGE
111		1.1 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : cross Killed by : none Replaced float addition with subtraction → NO_COVERAGE 4.4 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 5.5 Location : cross Killed by : none Replaced float addition with subtraction → NO_COVERAGE
112		1.1 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : cross Killed by : none Replaced float addition with subtraction → NO_COVERAGE 4.4 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 5.5 Location : cross Killed by : none Replaced float addition with subtraction → NO_COVERAGE
114		1.1 Location : cross Killed by : none mutated return of Object value for com/lowagie/text/pdf/parser/Vector::cross to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
124		1.1 Location : subtract Killed by : none Replaced float subtraction with addition → NO_COVERAGE
125		1.1 Location : subtract Killed by : none Replaced float subtraction with addition → NO_COVERAGE
126		1.1 Location : subtract Killed by : none Replaced float subtraction with addition → NO_COVERAGE
128		1.1 Location : subtract Killed by : none mutated return of Object value for com/lowagie/text/pdf/parser/Vector::subtract to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
138		1.1 Location : add Killed by : none Replaced float addition with subtraction → NO_COVERAGE
139		1.1 Location : add Killed by : none Replaced float addition with subtraction → NO_COVERAGE
140		1.1 Location : add Killed by : none Replaced float addition with subtraction → NO_COVERAGE
142		1.1 Location : add Killed by : none mutated return of Object value for com/lowagie/text/pdf/parser/Vector::add to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
152		1.1 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : cross Killed by : none Replaced float subtraction with addition → NO_COVERAGE
153		1.1 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : cross Killed by : none Replaced float subtraction with addition → NO_COVERAGE
154		1.1 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : cross Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : cross Killed by : none Replaced float subtraction with addition → NO_COVERAGE
156		1.1 Location : cross Killed by : none mutated return of Object value for com/lowagie/text/pdf/parser/Vector::cross to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
166		1.1 Location : dot Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : dot Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : dot Killed by : none Replaced float addition with subtraction → NO_COVERAGE 4.4 Location : dot Killed by : none Replaced float multiplication with division → NO_COVERAGE 5.5 Location : dot Killed by : none Replaced float addition with subtraction → NO_COVERAGE 6.6 Location : dot Killed by : none replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::dot → NO_COVERAGE
183		1.1 Location : length Killed by : none replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::length → NO_COVERAGE
197		1.1 Location : lengthSquared Killed by : none Replaced float multiplication with division → NO_COVERAGE 2.2 Location : lengthSquared Killed by : none Replaced float multiplication with division → NO_COVERAGE 3.3 Location : lengthSquared Killed by : none Replaced float addition with subtraction → NO_COVERAGE 4.4 Location : lengthSquared Killed by : none Replaced float multiplication with division → NO_COVERAGE 5.5 Location : lengthSquared Killed by : none Replaced float addition with subtraction → NO_COVERAGE 6.6 Location : lengthSquared Killed by : none replaced return of float value with -(x + 1) for com/lowagie/text/pdf/parser/Vector::lengthSquared → NO_COVERAGE

Vector.java

Mutations

Active mutators

Tests examined