Package uk.ac.manchester.spinnaker.utils

Class MathUtils

java.lang.Object

uk.ac.manchester.spinnaker.utils.MathUtils

public abstract class MathUtils
extends Object

Miscellaneous mathematical functions.

Author:

Donal Fellows

Method Summary

Modifier and Type	Method	Description
static final int	ceildiv(int numerator, int denominator)	Divide one integer by another with rounding up.
static String	hexbyte(byte value)	Converts a byte to its hexadecimal representation.

Methods inherited from class java.lang.Object

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

Method Details

ceildiv

public static final int ceildiv(int numerator,
 int denominator)

Divide one integer by another with rounding up. For example, ceildiv(5,3) == 2

Parameters:

numerator - The value to be divided. Must be non-negative.

denominator - The value to divide by. Must be positive.

Returns:

The value got by dividing the two, and rounding any floating remainder up.

hexbyte

public static String hexbyte(byte value)

Converts a byte to its hexadecimal representation.

Parameters:

value - The byte to convert.

Returns:

The (unsigned) hexadecimal representation of the byte.