diff --git a/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java b/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
index 2f01f0ef5..a95c099ee 100644
--- a/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
+++ b/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
@@ -37,9 +37,6 @@ public class ComplexUtils {
     /**
      * Creates a complex number from the given polar representation.
      * <p>
-     * The value returned is {@code r&middot;e<sup>i&middot;theta</sup>},
-     * computed as {@code r&middot;cos(theta) + r&middot;sin(theta)i}
-     * <p>
      * If either {@code r} or {@code theta} is NaN, or {@code theta} is
      * infinite, {@link Complex#NaN} is returned.
      * <p>
@@ -50,19 +47,16 @@ public class ComplexUtils {
      * <pre>
      * Examples:
      * {@code
-     * polar2Complex(INFINITY, &pi;/4) = INFINITY + INFINITY i
+     * polar2Complex(INFINITY, \(\pi\)) = INFINITY + INFINITY i
      * polar2Complex(INFINITY, 0) = INFINITY + NaN i
-     * polar2Complex(INFINITY, -&pi;/4) = INFINITY - INFINITY i
-     * polar2Complex(INFINITY, 5&pi;/4) = -INFINITY - INFINITY i }
+     * polar2Complex(INFINITY, \(-\frac{\pi}{4}\)) = INFINITY - INFINITY i
+     * polar2Complex(INFINITY, \(5\frac{\pi}{4}\)) = -INFINITY - INFINITY i }
      * </pre>
      *
-     * @param r
-     *            the modulus of the complex number to create
-     * @param theta
-     *            the argument of the complex number to create
+     * @param r the modulus of the complex number to create
+     * @param theta the argument of the complex number to create
      * @return {@code Complex}
-     * @throws MathIllegalArgumentException
-     *             if {@code r} is negative.
+     * @throws MathIllegalArgumentException  if {@code r} is negative.
      * @since 1.1
      */
     public static Complex polar2Complex(double r, double theta) throws MathIllegalArgumentException {
@@ -119,11 +113,10 @@ public class ComplexUtils {
      * Creates {@code Complex[][][]} array given {@code double[][][]} arrays of
      * r and theta.
      *
-     * @param r {@code double[]} of moduli
-     * @param theta {@code double[]} of arguments
-     * @return {@code Complex[][][]}
-     * @throws MathIllegalArgumentException
-     *             if {@code r} is negative.
+     * @param r array of moduli
+     * @param theta array of arguments
+     * @return {@code Complex}
+     * @throws MathIllegalArgumentException  if {@code r} is negative.
      * @since 4.0
      */
     public static Complex[][][] polar2Complex(double[][][] r, double[][][] theta) throws MathIllegalArgumentException {
@@ -139,10 +132,8 @@ public class ComplexUtils {
      * Returns double from array {@code real[]} at entry {@code index} as a
      * {@code Complex}.
      *
-     * @param real
-     *            Array of real numbers.
-     * @param index
-     *            Location in the array.
+     * @param real array of real numbers
+     * @param index location in the array
      * @return {@code Complex}.
      *
      * @since 4.0
@@ -155,11 +146,9 @@ public class ComplexUtils {
      * Returns float from array {@code real[]} at entry {@code index} as a
      * {@code Complex}.
      *
-     * @param real
-     *            Array of real numbers.
-     * @param index
-     *            Location in the array.
-     * @return {@code Complex[]} array.
+     * @param real array of real numbers
+     * @param index location in the array
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -171,11 +160,9 @@ public class ComplexUtils {
      * Returns double from array {@code imaginary[]} at entry {@code index} as a
      * {@code Complex}.
      *
-     * @param imaginary
-     *            Array of imaginary numbers.
-     * @param index
-     *            Location in the array.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of imaginary numbers
+     * @param index location in the array
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -187,11 +174,9 @@ public class ComplexUtils {
      * Returns float from array {@code imaginary[]} at entry {@code index} as a
      * {@code Complex}.
      *
-     * @param imaginary
-     *            Array of imaginary numbers.
-     * @param index
-     *            Location in the array.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of imaginary numbers
+     * @param index location in the array
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -203,10 +188,8 @@ public class ComplexUtils {
      * Returns real component of Complex from array {@code Complex[]} at entry
      * {@code index} as a {@code double}.
      *
-     * @param complex
-     *            Array of complex numbers.
-     * @param index
-     *            Location in the array.
+     * @param complex array of complex numbers
+     * @param index location in the array
      * @return {@code double}.
      *
      * @since 4.0
@@ -219,10 +202,8 @@ public class ComplexUtils {
      * Returns real component of array {@code Complex[]} at entry {@code index}
      * as a {@code float}.
      *
-     * @param complex
-     *            Array of complex numbers.
-     * @param index
-     *            Location in the array.
+     * @param complex array of complex numbers
+     * @param index location in the array
      * @return {@code float}.
      *
      * @since 4.0
@@ -235,10 +216,8 @@ public class ComplexUtils {
      * Returns imaginary component of Complex from array {@code Complex[]} at
      * entry {@code index} as a {@code double}.
      *
-     * @param complex
-     *            Array of complex numbers.
-     * @param index
-     *            Location in the array.
+     * @param complex array of complex numbers
+     * @param index location in the array
      * @return {@code double}.
      *
      * @since 4.0
@@ -251,10 +230,8 @@ public class ComplexUtils {
      * Returns imaginary component of array {@code Complex[]} at entry
      * {@code index} as a {@code float}.
      *
-     * @param complex
-     *            Array of complex numbers.
-     * @param index
-     *            Location in the array.
+     * @param complex array of complex numbers
+     * @param index location in the array
      * @return {@code float}.
      *
      * @since 4.0
@@ -267,14 +244,9 @@ public class ComplexUtils {
      * Returns a Complex object from interleaved {@code double[]} array at entry
      * {@code index}.
      *
-     * @param d
-     *            {@code double[]} of interleaved complex numbers alternating
-     *            real and imaginary values
-     * @param index
-     *            Location in the array. This is the location by complex number,
-     *            e.g. index number 5 in the {@code double[]} array will return
-     *            {@code new Complex(d[10], d[11])}
-     * @return {@code Complex[]}.
+     * @param d array of interleaved complex numbers alternating real and imaginary values
+     * @param index location in the array This is the location by complex number, e.g. index number 5 in the array will return {@code new Complex(d[10], d[11])}
+     * @return {@code Complex}.
      *
      * @since 4.0
      */
@@ -286,14 +258,9 @@ public class ComplexUtils {
      * Returns a Complex object from interleaved {@code float[]} array at entry
      * {@code index}.
      *
-     * @param f
-     *            {@code float[]} of interleaved complex numbers alternating
-     *            real and imaginary values
-     * @param index
-     *            Location in the array. This is the location by complex number,
-     *            e.g. index number 5 in the {@code float[]} array will return
-     *            new {@code Complex(d[10], d[11])}
-     * @return {@code Complex[]}.
+     * @param f float array of interleaved complex numbers alternating real and imaginary values
+     * @param index location in the array This is the location by complex number, e.g. index number 5 in the {@code float[]} array will return new {@code Complex(d[10], d[11])}
+     * @return {@code Complex}.
      *
      * @since 4.0
      */
@@ -305,11 +272,9 @@ public class ComplexUtils {
      * Returns values of Complex object from array {@code Complex[]} at entry
      * {@code index} as a size 2 {@code double} of the form {real, imag}.
      *
-     * @param complex
-     *            Array of complex numbers.
-     * @param index
-     *            Location in the array.
-     * @return size 2 {@code double[]}.
+     * @param complex array of complex numbers
+     * @param index location in the array
+     * @return size 2 array.
      *
      * @since 4.0
      */
@@ -321,10 +286,8 @@ public class ComplexUtils {
      * Returns Complex object from array {@code Complex[]} at entry
      * {@code index} as a size 2 {@code float} of the form {real, imag}.
      *
-     * @param complex
-     *            {@code Complex[]} array.
-     * @param index
-     *            Location in the array.
+     * @param complex {@code Complex} array
+     * @param index location in the array
      * @return size 2 {@code float[]}.
      *
      * @since 4.0
@@ -337,14 +300,10 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to a {@code Complex[]} array for the
      * range {@code start} - {@code end}.
      *
-     * @param real
-     *            Array of real numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code Complex[]} array.
+     * @param real array of real numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -363,14 +322,10 @@ public class ComplexUtils {
      * Converts a {@code float[]} array to a {@code Complex[]} array for the
      * range {@code start} - {@code end}.
      *
-     * @param real
-     *            Array of real numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code Complex[]} array.
+     * @param real array of real numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -389,16 +344,11 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to a {@code Complex[]} array for the
      * range {@code start} - {@code end} by {@code increment}.
      *
-     * @param real
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code Complex[]} array.
+     * @param real array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -417,16 +367,11 @@ public class ComplexUtils {
      * Converts a {@code float[]} array to a {@code Complex[]} array for the
      * range {@code start} - {@code end} by {@code increment}.
      *
-     * @param real
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code Complex[]} array.
+     * @param real array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -445,13 +390,9 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to a {@code Complex[]} array for the
      * {@code IntegerSequence} range.
      *
-     * @param real
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code Complex[]} array.
+     * @param real array of numbers to be converted to their {@code Complex} equivalent
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -469,13 +410,9 @@ public class ComplexUtils {
      * Converts a {@code float[]} array to a {@code Complex[]} array for the
      * {@code IntegerSequence} range.
      *
-     * @param real
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code Complex[]} array.
+     * @param real array of numbers to be converted to their {@code Complex} equivalent
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -492,10 +429,8 @@ public class ComplexUtils {
     /**
      * Converts a {@code double[]} array to a {@code Complex[]} array.
      *
-     * @param real
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @return {@code Complex[]} array.
+     * @param real array of numbers to be converted to their {@code Complex} equivalent
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -512,10 +447,8 @@ public class ComplexUtils {
     /**
      * Converts a {@code float[]} array to a {@code Complex[]} array.
      *
-     * @param real
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @return {@code Complex[]} array.
+     * @param real array of numbers to be converted to their {@code Complex} equivalent
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -533,9 +466,8 @@ public class ComplexUtils {
      * Converts a 2D real {@code double[][]} array to a 2D {@code Complex[][]}
      * array.
      *
-     * @param d
-     *            2D {@code double[][]}
-     * @return 2D {@code Complex[][]} array
+     * @param d 2D array
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -552,9 +484,8 @@ public class ComplexUtils {
      * Converts a 3D real {@code double[][][]} array to a {@code Complex [][][]}
      * array.
      *
-     * @param d
-     *            3D complex interleaved {@code double[][][]}
-     * @return 3D {@code Complex[][][]} array
+     * @param d 3D complex interleaved array
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -571,13 +502,10 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to a {@code double[]} array for the
      * range {@code start} - {@code end}.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code double[]} array of the real component.
+     * @param c {@code Complex} array
+     * @param start start index
+     * @param end end index
+     * @return array of the real component
      *
      * @since 4.0
      */
@@ -596,13 +524,10 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to a {@code float[]} array for the
      * range {@code start} - {@code end}.
      *
-     * @param c
-     *            Complex array
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code float[]} array of the real component.
+     * @param c {@code Complex} array
+     * @param start start index
+     * @param end end index
+     * @return {@code float[]} array of the real component
      *
      * @since 4.0
      */
@@ -621,15 +546,11 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to a {@code double[]} array for the
      * range {@code start} - {@code end} by {@code increment}.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code double[]} array of the real component.
+     * @param c {@code Complex} array
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return array of the real component
      *
      * @since 4.0
      */
@@ -648,15 +569,11 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to a {@code float[]} array for the
      * range {@code start} - {@code end} by {@code increment}.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code float[]} array of the real component.
+     * @param c {@code Complex} array
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code float[]} array of the real component
      *
      * @since 4.0
      */
@@ -675,12 +592,9 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to a {@code double[]} array for the
      * {@code IntegerSequence} range.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code double[]} array of the real component.
+     * @param c {@code Complex} array
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return array of the real component
      *
      * @since 4.0
      */
@@ -698,12 +612,9 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to a {@code float[]} array for the
      * {@code IntegerSequence} range.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code float[]} array of the real component.
+     * @param c {@code Complex} array
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code float[]} array of the real component
      *
      * @since 4.0
      */
@@ -721,9 +632,8 @@ public class ComplexUtils {
      * Converts real component of {@code Complex[]} array to a {@code double[]}
      * array.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @return {@code double[]} array of the real component.
+     * @param c {@code Complex} array
+     * @return array of the real component
      *
      * @since 4.0
      */
@@ -741,9 +651,8 @@ public class ComplexUtils {
      * Converts real component of {@code Complex[]} array to a {@code float[]}
      * array.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @return {@code float[]} array of the real component.
+     * @param c {@code Complex} array
+     * @return {@code float[]} array of the real component
      *
      * @since 4.0
      */
@@ -761,9 +670,8 @@ public class ComplexUtils {
      * Converts real component of a 2D {@code Complex[][]} array to a 2D
      * {@code double[][]} array.
      *
-     * @param c
-     *            2D {@code Complex[][]} array
-     * @return double[][] of real component
+     * @param c 2D {@code Complex} array
+     * @return {@code double[][]} of real component
      * @since 4.0
      */
     public static double[][] complex2Real(Complex[][] c) {
@@ -779,9 +687,8 @@ public class ComplexUtils {
      * Converts real component of a 2D {@code Complex[][]} array to a 2D
      * {@code float[][]} array.
      *
-     * @param c
-     *            2D {@code Complex[][]} array
-     * @return float[][] of real component
+     * @param c 2D {@code Complex} array
+     * @return {@code float[][]} of real component
      * @since 4.0
      */
     public static float[][] complex2RealFloat(Complex[][] c) {
@@ -797,9 +704,8 @@ public class ComplexUtils {
      * Converts real component of a 3D {@code Complex[][][]} array to a 3D
      * {@code double[][][]} array.
      *
-     * @param c
-     *            3D complex interleaved {@code double[][][]}
-     * @return {@code double[][][]} array of real component
+     * @param c 3D complex interleaved array
+     * @return array of real component
      *
      * @since 4.0
      */
@@ -816,9 +722,8 @@ public class ComplexUtils {
      * Converts real component of a 3D {@code Complex[][][]} array to a 3D
      * {@code float[][][]} array.
      *
-     * @param c
-     *            3D {@code Complex[][][]} array
-     * @return float[][][] of real component
+     * @param c 3D {@code Complex} array
+     * @return {@code float[][][]} of real component
      * @since 4.0
      */
     public static float[][][] complex2RealFloat(Complex[][][] c) {
@@ -834,14 +739,10 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to an imaginary {@code Complex[]} array
      * for the range {@code start} - {@code end}.
      *
-     * @param imaginary
-     *            Array of imaginary numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of imaginary numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -860,14 +761,10 @@ public class ComplexUtils {
      * Converts a {@code float[]} array to an imaginary {@code Complex[]} array
      * for the range {@code start} - {@code end}.
      *
-     * @param imaginary
-     *            Array of imaginary numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of imaginary numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -886,16 +783,11 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to an imaginary {@code Complex[]} array
      * for the range {@code start} - {@code end} by {@code increment}.
      *
-     * @param imaginary
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -914,16 +806,11 @@ public class ComplexUtils {
      * Converts a {@code float[]} array to an imaginary {@code Complex[]} array
      * for the range {@code start} - {@code end} by {@code increment}.
      *
-     * @param imaginary
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -942,13 +829,9 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to an imaginary {@code Complex[]} array
      * for the {@code IntegerSequence} range.
      *
-     * @param imaginary
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code Complex[]} array.
+     * @param imaginary array of numbers to be converted to their {@code Complex} equivalent
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -966,13 +849,9 @@ public class ComplexUtils {
      * Converts a {@code float[]} array to an imaginary {@code Complex[]} array
      * for the {@code IntegerSequence} range.
      *
-     * @param imaginary
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code Complex[]} array.
+     * @param imaginary array of numbers to be converted to their {@code Complex} equivalent
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -990,10 +869,8 @@ public class ComplexUtils {
      * Converts a {@code double[]} array to an imaginary {@code Complex[]}
      * array.
      *
-     * @param imaginary
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of numbers to be converted to their {@code Complex} equivalent
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1010,10 +887,8 @@ public class ComplexUtils {
     /**
      * Converts a {@code float[]} array to an imaginary {@code Complex[]} array.
      *
-     * @param imaginary
-     *            Array of numbers to be converted to their {@code Complex}
-     *            equivalent.
-     * @return {@code Complex[]} array.
+     * @param imaginary array of numbers to be converted to their {@code Complex} equivalent
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1031,9 +906,8 @@ public class ComplexUtils {
      * Converts a 2D imaginary array {@code double[][]} to a 2D
      * {@code Complex[][]} array.
      *
-     * @param d
-     *            2D {@code double[][]}
-     * @return 2D {@code Complex[][]} array
+     * @param d 2D array
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -1051,9 +925,8 @@ public class ComplexUtils {
      * Converts a 3D imaginary array {@code double[][][]} to a {@code Complex[]}
      * array.
      *
-     * @param d
-     *            3D complex imaginary {@code double[][][]}
-     * @return 3D {@code Complex[][][]} array
+     * @param d 3D complex imaginary array
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -1074,13 +947,10 @@ public class ComplexUtils {
      * Converts imaginary part of {@code Complex[]} array to a {@code double[]}
      * array for the range {@code start} - {@code end}.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code double[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @param start start index
+     * @param end end index
+     * @return array of the imaginary component
      *
      * @since 4.0
      */
@@ -1099,13 +969,10 @@ public class ComplexUtils {
      * Converts imaginary part of a {@code Complex[]} array to a {@code float[]}
      * array for the range {@code start} - {@code end}.
      *
-     * @param c
-     *            Complex array
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code float[]} array of the imaginary component.
+     * @param c Complex array
+     * @param start start index
+     * @param end end index
+     * @return {@code float[]} array of the imaginary component
      *
      * @since 4.0
      */
@@ -1125,15 +992,11 @@ public class ComplexUtils {
      * {@code double[]} array for the range {@code start} - {@code end} by
      * {@code increment}.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code double[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return array of the imaginary component
      *
      * @since 4.0
      */
@@ -1152,15 +1015,11 @@ public class ComplexUtils {
      * Converts imaginary part of a {@code Complex[]} array to a {@code float[]}
      * array for the range {@code start} - {@code end} by {@code increment}.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code float[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code float[]} array of the imaginary component
      *
      * @since 4.0
      */
@@ -1179,12 +1038,9 @@ public class ComplexUtils {
      * Converts imaginary part of a {@code Complex[]} array to a
      * {@code double[]} array for the {@code IntegerSequence} range.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code double[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return array of the imaginary component
      *
      * @since 4.0
      */
@@ -1202,12 +1058,9 @@ public class ComplexUtils {
      * Converts imaginary part of a {@code Complex[]} array to a {@code float[]}
      * array for the {@code IntegerSequence} range.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code float[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code float[]} array of the imaginary component
      *
      * @since 4.0
      */
@@ -1225,9 +1078,8 @@ public class ComplexUtils {
      * Converts imaginary part of a {@code Complex[]} array to a
      * {@code double[]} array.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @return {@code double[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @return array of the imaginary component
      *
      * @since 4.0
      */
@@ -1245,9 +1097,8 @@ public class ComplexUtils {
      * Converts imaginary component of a {@code Complex[]} array to a
      * {@code float[]} array.
      *
-     * @param c
-     *            {@code Complex[]} array.
-     * @return {@code float[]} array of the imaginary component.
+     * @param c {@code Complex} array.
+     * @return {@code float[]} array of the imaginary component
      *
      * @since 4.0
      */
@@ -1265,9 +1116,8 @@ public class ComplexUtils {
      * Converts imaginary component of a 2D {@code Complex[][]} array to a 2D
      * {@code double[][]} array.
      *
-     * @param c
-     *            2D {@code Complex[][]} array
-     * @return double[][] of imaginary component
+     * @param c 2D {@code Complex} array
+     * @return {@code double[][]} of imaginary component
      * @since 4.0
      */
     public static double[][] complex2Imaginary(Complex[][] c) {
@@ -1283,9 +1133,8 @@ public class ComplexUtils {
      * Converts imaginary component of a 2D {@code Complex[][]} array to a 2D
      * {@code float[][]} array.
      *
-     * @param c
-     *            2D {@code Complex[][]} array
-     * @return float[][] of imaginary component
+     * @param c 2D {@code Complex} array
+     * @return {@code float[][]} of imaginary component
      * @since 4.0
      */
     public static float[][] complex2ImaginaryFloat(Complex[][] c) {
@@ -1301,9 +1150,8 @@ public class ComplexUtils {
      * Converts imaginary component of a 3D {@code Complex[][][]} array to a 3D
      * {@code double[][][]} array.
      *
-     * @param c
-     *            3D complex interleaved {@code double[][][]}
-     * @return 3D {@code Complex[][][]} array
+     * @param c 3D complex interleaved array
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -1320,9 +1168,8 @@ public class ComplexUtils {
      * Converts imaginary component of a 3D {@code Complex[][][]} array to a 3D
      * {@code float[][][]} array.
      *
-     * @param c
-     *            3D {@code Complex[][][]} array
-     * @return float[][][] of imaginary component
+     * @param c 3D {@code Complex} array
+     * @return {@code float[][][]} of imaginary component
      * @since 4.0
      */
     public static float[][][] complex2ImaginaryFloat(Complex[][][] c) {
@@ -1340,14 +1187,10 @@ public class ComplexUtils {
      * Converts a complex interleaved {@code double[]} array to a
      * {@code Complex[]} array for the range {@code start} - {@code end}.
      *
-     * @param interleaved
-     *            {@code double[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code Complex[]} array.
+     * @param interleaved array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1366,14 +1209,10 @@ public class ComplexUtils {
      * Converts a complex interleaved {@code float[]} array to a
      * {@code Complex[]} array for the range {@code start} - {@code end}.
      *
-     * @param interleaved
-     *            {@code float[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return {@code Complex[]} array.
+     * @param interleaved float array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1393,16 +1232,11 @@ public class ComplexUtils {
      * {@code Complex[]} array for the range {@code start} - {@code end} by
      * {@code increment}.
      *
-     * @param interleaved
-     *            {@code double[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code Complex[]} array.
+     * @param interleaved array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1422,16 +1256,11 @@ public class ComplexUtils {
      * {@code Complex[]} array for the range {@code start} - {@code end} by
      * {@code increment}.
      *
-     * @param interleaved
-     *            {@code float[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return {@code Complex[]} array.
+     * @param interleaved float array of numbers to be converted to their {@code Complex} equivalent
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1450,13 +1279,9 @@ public class ComplexUtils {
      * Converts a complex interleaved {@code double[]} array to a
      * {@code Complex[]} array for the {@code IntegerSequence} range.
      *
-     * @param interleaved
-     *            {@code double[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code Complex[]} array.
+     * @param interleaved array of numbers to be converted to their {@code Complex} equivalent
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1474,13 +1299,9 @@ public class ComplexUtils {
      * Converts a complex interleaved {@code float[]} array to a
      * {@code Complex[]} array for the {@code IntegerSequence} range.
      *
-     * @param interleaved
-     *            {@code float[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return {@code Complex[]} array.
+     * @param interleaved float array of numbers to be converted to their {@code Complex} equivalent
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1498,10 +1319,8 @@ public class ComplexUtils {
      * Converts a complex interleaved {@code double[]} array to a
      * {@code Complex[]} array
      *
-     * @param interleaved
-     *            {@code double[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @return {@code Complex[]} array.
+     * @param interleaved array of numbers to be converted to their {@code Complex} equivalent
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1518,10 +1337,8 @@ public class ComplexUtils {
      * Converts a complex interleaved {@code float[]} array to a
      * {@code Complex[]} array
      *
-     * @param interleaved
-     *            {@code float[]} of numbers to be converted to their
-     *            {@code Complex} equivalent.
-     * @return {@code Complex[]} array.
+     * @param interleaved float[] array of numbers to be converted to their {@code Complex} equivalent
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -1538,14 +1355,11 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to an interleaved complex
      * {@code double[]} array for the range {@code start} - {@code end}.
      *
-     * @param c
-     *            Complex array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @return complex interleaved {@code double[]} alternating real and
-     *         imaginary values.
+     * @param c Complex array
+     * @param start start index
+     * @param end end index
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1567,14 +1381,11 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to an interleaved complex
      * {@code float[]} array for the range {@code start} - {@code end}.
      *
-     * @param c
-     *            Complex array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
+     * @param c Complex array
+     * @param start start index
+     * @param end end index
      * @return complex interleaved {@code float[]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1597,16 +1408,12 @@ public class ComplexUtils {
      * {@code double[]} array for the range {@code start} - {@code end} by
      * {@code increment}.
      *
-     * @param c
-     *            Complex array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
-     * @return complex interleaved {@code double[]} alternating real and
-     *         imaginary values.
+     * @param c Complex array
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1629,16 +1436,12 @@ public class ComplexUtils {
      * {@code float[]} array for the range {@code start} - {@code end} by
      * {@code increment}.
      *
-     * @param c
-     *            Complex array.
-     * @param start
-     *            Start index.
-     * @param end
-     *            End index.
-     * @param increment
-     *            Range increment.
+     * @param c Complex array
+     * @param start start index
+     * @param end end index
+     * @param increment range increment
      * @return complex interleaved {@code float[]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1660,13 +1463,10 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to an interleaved complex
      * {@code double[]} array for the {@code IntegerSequence} range.
      *
-     * @param c
-     *            Complex array.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
-     * @return complex interleaved {@code double[]} alternating real and
-     *         imaginary values.
+     * @param c Complex array
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1687,13 +1487,10 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to an interleaved complex
      * {@code float[]} array for the {@code IntegerSequence} range.
      *
-     * @param c
-     *            Complex array.
-     * @param range
-     *            an {@code Iterable<Integer>} object returned by
-     *            {@code IntegerSequence.range()}
+     * @param c Complex array
+     * @param range an {@code Iterable<Integer>} object returned by {@code IntegerSequence.range()}
      * @return complex interleaved {@code float[]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1714,10 +1511,9 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to an interleaved complex
      * {@code double[]} array
      *
-     * @param c
-     *            Complex array.
-     * @return complex interleaved {@code double[]} alternating real and
-     *         imaginary values.
+     * @param c Complex array
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1738,10 +1534,9 @@ public class ComplexUtils {
      * Converts a {@code Complex[]} array to an interleaved complex
      * {@code float[]} array
      *
-     * @param c
-     *            Complex array.
+     * @param c Complex array
      * @return complex interleaved {@code float[]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1762,12 +1557,10 @@ public class ComplexUtils {
      * Converts a 2D {@code Complex[][]} array to an interleaved complex
      * {@code double[][]} array.
      *
-     * @param c
-     *            2D Complex array.
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
-     * @return complex interleaved {@code double[][]} alternating real and
-     *         imaginary values.
+     * @param c 2D Complex array
+     * @param interleavedDim Depth level of the array to interleave
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1803,10 +1596,9 @@ public class ComplexUtils {
      * {@code double[][]} array. The second depth level of the array is assumed
      * to be interleaved.
      *
-     * @param c
-     *            2D Complex array.
-     * @return complex interleaved {@code double[][]} alternating real and
-     *         imaginary values.
+     * @param c 2D Complex array
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1818,12 +1610,10 @@ public class ComplexUtils {
      * Converts a 3D {@code Complex[][][]} array to an interleaved complex
      * {@code double[][][]} array.
      *
-     * @param c
-     *            3D Complex array.
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
-     * @return complex interleaved {@code double[][][]} alternating real and
-     *         imaginary values.
+     * @param c 3D Complex array
+     * @param interleavedDim Depth level of the array to interleave
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1833,7 +1623,7 @@ public class ComplexUtils {
         }
         int width = c.length;
         int height = c[0].length;
-        int depth = c[0].length;
+        int depth = c[0][0].length;
         double[][][] d;
         if (interleavedDim == 0) {
             d = new double[2 * width][height][depth];
@@ -1850,8 +1640,8 @@ public class ComplexUtils {
             for (int x = 0; x < width; x++) {
                 for (int y = 0; y < height; y++) {
                     for (int z = 0; z < depth; z++) {
-                        d[x][y][z] = c[x][y][z].getReal();
-                        d[x][y * 2][z] = c[x][y][z].getImaginary();
+                        d[x][y * 2][z] = c[x][y][z].getReal();
+                        d[x][y * 2 + 1][z] = c[x][y][z].getImaginary();
                     }
                 }
             }
@@ -1874,10 +1664,9 @@ public class ComplexUtils {
      * {@code double[][][]} array. The third depth level of the array is
      * interleaved.
      *
-     * @param c
-     *            3D Complex array.
-     * @return complex interleaved {@code double[][][]} alternating real and
-     *         imaginary values.
+     * @param c 3D Complex array
+     * @return complex interleaved array alternating real and
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1889,12 +1678,10 @@ public class ComplexUtils {
      * Converts a 2D {@code Complex[][]} array to an interleaved complex
      * {@code float[][]} array.
      *
-     * @param c
-     *            2D Complex array.
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
+     * @param c 2D Complex array
+     * @param interleavedDim Depth level of the array to interleave
      * @return complex interleaved {@code float[][]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1930,11 +1717,10 @@ public class ComplexUtils {
      * {@code float[][]} array. The second depth level of the array is assumed
      * to be interleaved.
      *
-     * @param c
-     *            2D Complex array.
+     * @param c 2D Complex array
      *
      * @return complex interleaved {@code float[][]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -1946,12 +1732,10 @@ public class ComplexUtils {
      * Converts a 3D {@code Complex[][][]} array to an interleaved complex
      * {@code float[][][]} array.
      *
-     * @param c
-     *            3D Complex array.
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
+     * @param c 3D Complex array
+     * @param interleavedDim Depth level of the array to interleave
      * @return complex interleaved {@code float[][][]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -2002,11 +1786,10 @@ public class ComplexUtils {
      * {@code float[][][]} array. The third depth level of the array is
      * interleaved.
      *
-     * @param c
-     *            2D Complex array.
+     * @param c 2D Complex array
      *
      * @return complex interleaved {@code float[][][]} alternating real and
-     *         imaginary values.
+     *         imaginary values
      *
      * @since 4.0
      */
@@ -2018,11 +1801,9 @@ public class ComplexUtils {
      * Converts a 2D interleaved complex {@code double[][]} array to a
      * {@code Complex[][]} array.
      *
-     * @param d
-     *            2D complex interleaved {@code double[][]}
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
-     * @return 2D {@code Complex[][]} array
+     * @param d 2D complex interleaved array
+     * @param interleavedDim Depth level of the array to interleave
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2056,9 +1837,8 @@ public class ComplexUtils {
      * {@code Complex[][]} array. The second depth level of the array is assumed
      * to be interleaved.
      *
-     * @param d
-     *            2D complex interleaved {@code double[][]}
-     * @return 2D {@code Complex[][]} array
+     * @param d 2D complex interleaved array
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2070,11 +1850,9 @@ public class ComplexUtils {
      * Converts a 3D interleaved complex {@code double[][][]} array to a
      * {@code Complex[][][]} array.
      *
-     * @param d
-     *            3D complex interleaved {@code double[][][]}
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
-     * @return 3D {@code Complex[][][]} array
+     * @param d 3D complex interleaved array
+     * @param interleavedDim Depth level of the array to interleave
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2088,7 +1866,7 @@ public class ComplexUtils {
         Complex[][][] c;
         if (interleavedDim == 0) {
             c = new Complex[width / 2][height][depth];
-            for (int x = 0; x < width; x++) {
+            for (int x = 0; x < width / 2; x++) {
                 for (int y = 0; y < height; y++) {
                     for (int z = 0; z < depth; z++) {
                         c[x][y][z] = new Complex(d[x * 2][y][z], d[x * 2 + 1][y][z]);
@@ -2098,7 +1876,7 @@ public class ComplexUtils {
         } else if (interleavedDim == 1) {
             c = new Complex[width][height / 2][depth];
             for (int x = 0; x < width; x++) {
-                for (int y = 0; y < height; y++) {
+                for (int y = 0; y < height / 2; y++) {
                     for (int z = 0; z < depth; z++) {
                         c[x][y][z] = new Complex(d[x][y * 2][z], d[x][y * 2 + 1][z]);
                     }
@@ -2108,7 +1886,7 @@ public class ComplexUtils {
             c = new Complex[width][height][depth / 2];
             for (int x = 0; x < width; x++) {
                 for (int y = 0; y < height; y++) {
-                    for (int z = 0; z < depth; z++) {
+                    for (int z = 0; z < depth / 2; z++) {
                         c[x][y][z] = new Complex(d[x][y][z * 2], d[x][y][z * 2 + 1]);
                     }
                 }
@@ -2122,9 +1900,8 @@ public class ComplexUtils {
      * {@code Complex[][][]} array. The third depth level is assumed to be
      * interleaved.
      *
-     * @param d
-     *            3D complex interleaved {@code double[][][]}
-     * @return 3D {@code Complex[][][]} array
+     * @param d 3D complex interleaved array
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2136,11 +1913,9 @@ public class ComplexUtils {
      * Converts a 2D interleaved complex {@code float[][]} array to a
      * {@code Complex[][]} array.
      *
-     * @param d
-     *            2D complex interleaved {@code float[][]}
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
-     * @return 2D {@code Complex[][]} array
+     * @param d 2D complex interleaved float array
+     * @param interleavedDim Depth level of the array to interleave
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2174,9 +1949,8 @@ public class ComplexUtils {
      * {@code Complex[][]} array. The second depth level of the array is assumed
      * to be interleaved.
      *
-     * @param d
-     *            2D complex interleaved {@code float[][]}
-     * @return 2D {@code Complex[][]} array
+     * @param d 2D complex interleaved float array
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2188,11 +1962,9 @@ public class ComplexUtils {
      * Converts a 3D interleaved complex {@code float[][][]} array to a
      * {@code Complex[][][]} array.
      *
-     * @param d
-     *            3D complex interleaved {@code float[][][]}
-     * @param interleavedDim
-     *            Depth level of the array to interleave.
-     * @return 3D {@code Complex[][][]} array
+     * @param d 3D complex interleaved float array
+     * @param interleavedDim Depth level of the array to interleave
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2206,7 +1978,7 @@ public class ComplexUtils {
         Complex[][][] c;
         if (interleavedDim == 0) {
             c = new Complex[width / 2][height][depth];
-            for (int x = 0; x < width; x += 2) {
+            for (int x = 0; x < width/2; x ++) {
                 for (int y = 0; y < height; y++) {
                     for (int z = 0; z < depth; z++) {
                         c[x][y][z] = new Complex(d[x * 2][y][z], d[x * 2 + 1][y][z]);
@@ -2216,7 +1988,7 @@ public class ComplexUtils {
         } else if (interleavedDim == 1) {
             c = new Complex[width][height / 2][depth];
             for (int x = 0; x < width; x++) {
-                for (int y = 0; y < height; y += 2) {
+                for (int y = 0; y < height/2; y ++) {
                     for (int z = 0; z < depth; z++) {
                         c[x][y][z] = new Complex(d[x][y * 2][z], d[x][y * 2 + 1][z]);
                     }
@@ -2226,7 +1998,7 @@ public class ComplexUtils {
             c = new Complex[width][height][depth / 2];
             for (int x = 0; x < width; x++) {
                 for (int y = 0; y < height; y++) {
-                    for (int z = 0; z < depth; z += 2) {
+                    for (int z = 0; z < depth/2; z++) {
                         c[x][y][z] = new Complex(d[x][y][z * 2], d[x][y][z * 2 + 1]);
                     }
                 }
@@ -2240,9 +2012,8 @@ public class ComplexUtils {
      * {@code Complex[]} array. The third depth level of the array is assumed to
      * be interleaved.
      *
-     * @param d
-     *            3D complex interleaved {@code float[][][]}
-     * @return 3D {@code Complex[][][]} array
+     * @param d 3D complex interleaved float array
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2256,11 +2027,9 @@ public class ComplexUtils {
      * Converts a split complex array {@code double[] r, double[] i} to a
      * {@code Complex[]} array.
      *
-     * @param real
-     *            real component
-     * @param imag
-     *            imaginary component
-     * @return {@code Complex[]} array
+     * @param real real component
+     * @param imag imaginary component
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -2277,11 +2046,9 @@ public class ComplexUtils {
      * Converts a 2D split complex array {@code double[][] r, double[][] i} to a
      * 2D {@code Complex[][]} array.
      *
-     * @param real
-     *            real component
-     * @param imag
-     *            imaginary component
-     * @return 2D {@code Complex[][]} array
+     * @param real real component
+     * @param imag imaginary component
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2298,11 +2065,9 @@ public class ComplexUtils {
      * Converts a 3D split complex array {@code double[][][] r, double[][][] i}
      * to a 3D {@code Complex[][][]} array.
      *
-     * @param real
-     *            real component
-     * @param imag
-     *            imaginary component
-     * @return 3D {@code Complex[][][]} array
+     * @param real real component
+     * @param imag imaginary component
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2319,11 +2084,9 @@ public class ComplexUtils {
      * Converts a split complex array {@code float[] r, float[] i} to a
      * {@code Complex[]} array.
      *
-     * @param real
-     *            real component
-     * @param imag
-     *            imaginary component
-     * @return {@code Complex[]} array
+     * @param real real component
+     * @param imag imaginary component
+     * @return {@code Complex} array
      *
      * @since 4.0
      */
@@ -2340,11 +2103,9 @@ public class ComplexUtils {
      * Converts a 2D split complex array {@code float[][] r, float[][] i} to a
      * 2D {@code Complex[][]} array.
      *
-     * @param real
-     *            real component
-     * @param imag
-     *            imaginary component
-     * @return 2D {@code Complex[][]} array
+     * @param real real component
+     * @param imag imaginary component
+     * @return 2D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2361,11 +2122,9 @@ public class ComplexUtils {
      * Converts a 3D split complex array {@code float[][][] r, float[][][] i} to
      * a 3D {@code Complex[][][]} array.
      *
-     * @param real
-     *            real component
-     * @param imag
-     *            imaginary component
-     * @return 3D {@code Complex[][][]} array
+     * @param real real component
+     * @param imag imaginary component
+     * @return 3D {@code Complex} array
      *
      * @since 4.0
      */
@@ -2384,8 +2143,7 @@ public class ComplexUtils {
      * Initializes a {@code Complex[]} array to zero, to avoid
      * NullPointerExceptions.
      *
-     * @param c
-     *            Complex[] array
+     * @param c Complex array
      * @return c
      *
      * @since 4.0
@@ -2402,8 +2160,7 @@ public class ComplexUtils {
      * Initializes a {@code Complex[][]} array to zero, to avoid
      * NullPointerExceptions.
      *
-     * @param c
-     *            Complex[][] array
+     * @param c {@code Complex} array
      * @return c
      *
      * @since 4.0
@@ -2420,8 +2177,7 @@ public class ComplexUtils {
      * Initializes a {@code Complex[][][]} array to zero, to avoid
      * NullPointerExceptions.
      *
-     * @param c
-     *            Complex[][][] array
+     * @param c {@code Complex} array
      * @return c
      *
      * @since 4.0
@@ -2438,9 +2194,8 @@ public class ComplexUtils {
      * Returns {@code double[]} containing absolute values (magnitudes) of a
      * {@code Complex[]} array.
      *
-     * @param c
-     *            {@code Complex[]} array
-     * @return {@code double[]} array
+     * @param c {@code Complex} array
+     * @return {@code double[]}
      *
      * @since 4.0
      */
@@ -2457,8 +2212,7 @@ public class ComplexUtils {
      * Returns {@code double[]} containing arguments (phase angles) of a
      * {@code Complex[]} array.
      *
-     * @param c
-     *            {@code Complex[]} array
+     * @param c {@code Complex} array
      * @return {@code double[]} array
      *
      * @since 4.0