Package com.compomics.util

Class ArrayUtil

java.lang.Object
com.compomics.util.ArrayUtil
public class ArrayUtil extends Object
Utility functions to work with arrays.
Author:
Marc Vaudel, Harald Barsnes

  • Constructor Summary

    Constructors
    Constructor
    Description
    ArrayUtil()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static byte[]
    concatenate(byte[] array1, byte[] array2, int len2)
    Convenience method to merge two byte arrays.
    static char[]
    concatenate(char[] array1, char[] array2, int len2)
    Appends the second array to the first array.
    static double[]
    concatenate(double[] array1, double[] array2, int len2)
    Appends the second array to the first array.
    static char[]
    makeUnique(char[] array)
    Returns an array containing the unique characters of the given array.
    static double[]
    scaleToMax(double[] values)
    Scales the given values using the maximum value.
    static double[]
    scaleToMax(double[] values, boolean percent)
    Scales the given values using the maximum value.
    static double[]
    scaleValues(double[] values, double refIntensity)
    Scales the values using the reference value.
    static double[]
    scaleValues(double[] values, double refIntensity, boolean percent)
    Scales the values using the reference value.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • ArrayUtil

      public ArrayUtil()

  • Method Details

    • concatenate

      public static char[] concatenate(char[] array1, char[] array2, int len2)
      Appends the second array to the first array.
      Parameters:
      array1 - The first array.
      array2 - The second array.
      len2 - The length of the second array to copy
      Returns:
      The concatenation of array1 and array2.

    • concatenate

      public static double[] concatenate(double[] array1, double[] array2, int len2)
      Appends the second array to the first array.
      Parameters:
      array1 - The first array.
      array2 - The second array.
      len2 - The length of the second array to copy
      Returns:
      The concatenation of array1 and array2.

    • concatenate

      public static byte[] concatenate(byte[] array1, byte[] array2, int len2)
      Convenience method to merge two byte arrays.
      Parameters:
      array1 - First byte array.
      array2 - Second byte array.
      len2 - The length of the second array to copy
      Returns:
      A concatenation of the first and the second arrays.

    • makeUnique

      public static char[] makeUnique(char[] array)
      Returns an array containing the unique characters of the given array.
      Parameters:
      array - the array
      Returns:
      the unique array

    • scaleValues

      public static double[] scaleValues(double[] values, double refIntensity)
      Scales the values using the reference value.
      Parameters:
      values - The values to scale.
      refIntensity - The reference value.
      Returns:
      The scaled values.

    • scaleValues

      public static double[] scaleValues(double[] values, double refIntensity, boolean percent)
      Scales the values using the reference value.
      Parameters:
      values - The values to scale.
      refIntensity - The reference value.
      percent - If true, the values are returned in the [0-100] range.
      Returns:
      The scaled values.

    • scaleToMax

      public static double[] scaleToMax(double[] values)
      Scales the given values using the maximum value.
      Parameters:
      values - The values to scale.
      Returns:
      The given values scaled using the maximum value.

    • scaleToMax

      public static double[] scaleToMax(double[] values, boolean percent)
      Scales the given values using the maximum value.
      Parameters:
      values - The values to scale.
      percent - If true, the values are returned in the [0-100] range.
      Returns:
      The given values scaled using the maximum value.