org.xmlcml.euclid

Class Int

java.lang.Object

org.xmlcml.euclid.Int

All Implemented Interfaces:

EuclidConstants

public abstract class Int
extends Object
implements EuclidConstants

Int supports various utilities for integers Use Integer where you want a first-class Java object

Author:

(C) P. Murray-Rust, 1996

Field Summary

Fields inherited from interface org.xmlcml.euclid.EuclidConstants

C_AMP, C_APOS, C_ATSIGN, C_BACKSLASH, C_BACKSPACE, C_CARET, C_COLON, C_COMMA, C_DEL, C_DOLLAR, C_EQUALS, C_FORMFEED, C_HASH, C_LANGLE, C_LBRAK, C_LCURLY, C_LSQUARE, C_MINUS, C_NBSP, C_NEWLINE, C_NL, C_PERCENT, C_PERIOD, C_PIPE, C_PLUS, C_POUND, C_QUERY, C_QUOT, C_RANGLE, C_RBRAK, C_RCURLY, C_RETURN, C_RSQUARE, C_SEMICOLON, C_SHRIEK, C_SLASH, C_SPACE, C_STAR, C_TAB, C_TILDE, C_UNDER, EPS, F_S, NONWHITEPUNC, NONWHITEPUNC0, NONWHITEPUNC0REGEX, ONE_THIRD, PUNC, S_AMP, S_APOS, S_ATSIGN, S_BACKSLASH, S_CARET, S_COLON, S_COMMA, S_DOLLAR, S_EMPTY, S_EQUALS, S_FORMFEED, S_HASH, S_LANGLE, S_LBRAK, S_LCURLY, S_LSQUARE, S_MINUS, S_NEWLINE, S_NL, S_PERCENT, S_PERIOD, S_PIPE, S_PLUS, S_POUND, S_QUERY, S_QUOT, S_RANGLE, S_RBRAK, S_RCURLY, S_RETURN, S_RSQUARE, S_SEMICOLON, S_SHRIEK, S_SLASH, S_SPACE, S_STAR, S_TAB, S_TILDE, S_UNDER, S_WHITEREGEX, TWO_THIRDS, U_S, WHITESPACE

Constructor Summary

Constructors

Constructor and Description
Int()

Method Summary

Modifier and Type	Method and Description
static boolean	equals(int[] a, int[] b) tests equality of int arrays.
static void	initArray(int nelem, int[] arr, int f) set an array to given value
static void	printArray(int[] a) print a int[]
static String	testEquals(int[][] a, int[][] b) compare arrays.
static String	testEquals(int[] a, int[] b) compare integer arrays.
static void	zeroArray(int nelem, int[] arr) set an array to zero

Methods inherited from class java.lang.Object

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

Constructor Detail

Int

public Int()

Method Detail

zeroArray

public static void zeroArray(int nelem,
                             int[] arr)

set an array to zero

Parameters:

nelem -

arr -

initArray

public static void initArray(int nelem,
                             int[] arr,
                             int f)

set an array to given value

Parameters:

nelem -

arr -

f -

printArray

public static void printArray(int[] a)

print a int[]

Parameters:

a -

equals

public static boolean equals(int[] a,
                             int[] b)

tests equality of int arrays. arrays must be of same length

Parameters:

a - first array

b - second array

Returns:

array elements equal

testEquals

public static String testEquals(int[] a,
                                int[] b)

compare integer arrays.

Parameters:

a -

b -

Returns:

message or null

testEquals

public static String testEquals(int[][] a,
                                int[][] b)

compare arrays.

Parameters:

a -

b -

Returns:

message or null if equal