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java.lang.Objectorg.apache.derby.client.am.FloatingPoint
public class FloatingPoint
Converters from floating point bytes to Java float
, double
, or
java.math.BigDecimal
.
Field Summary | |
---|---|
static int |
IEEE_754_FLOATING_POINT
Supported Unix Big Endian IEEE 754 floating point representation. |
Constructor Summary | |
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private |
FloatingPoint()
|
Method Summary | |
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private static int |
convertFromByteToInt(byte[] buffer,
int offset)
Convert the byte array to an int. |
private static long |
convertFromByteToLong(byte[] buffer,
int offset)
Convert the byte array to a long. |
static void |
doubleToIeee754Bytes(byte[] buffer,
int offset,
double d)
Write a Java double to an 8-byte double precision floating point representation. |
static void |
floatToIeee754Bytes(byte[] buffer,
int offset,
float f)
Write a Java float to a 4-byte floating point representation. |
static double |
getDouble(byte[] buffer,
int offset)
Build a Java double from an 8-byte floating point representation. |
static float |
getFloat(byte[] buffer,
int offset)
Build a Java float from a 4-byte floating point representation. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int IEEE_754_FLOATING_POINT
Constructor Detail |
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private FloatingPoint()
Method Detail |
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private static final int convertFromByteToInt(byte[] buffer, int offset)
private static final long convertFromByteToLong(byte[] buffer, int offset)
public static final float getFloat(byte[] buffer, int offset)
java.lang.IllegalArgumentException
- if the specified representation is not recognized.public static final double getDouble(byte[] buffer, int offset)
java.lang.IllegalArgumentException
- if the specified representation is not recognized.public static final void floatToIeee754Bytes(byte[] buffer, int offset, float f)
float
to a 4-byte floating point representation.
public static final void doubleToIeee754Bytes(byte[] buffer, int offset, double d)
double
to an 8-byte double precision floating point representation.
|
Built on Thu 2011-03-10 11:54:14+0000, from revision ??? | ||||||||
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