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SmallFloat (Lucene 2.1.0 API)
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org.apache.lucene.util</FONT>
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Class SmallFloat</H2>
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<IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>org.apache.lucene.util.SmallFloat</B>
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<DT>public class <B>SmallFloat</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL>
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Floating point numbers smaller than 32 bits.
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<DT><B>Version:</B></DT> <DD>$Id$</DD><DT><B>Author:</B></DT> <DD>yonik</DD></DL>
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<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#SmallFloat()">SmallFloat</A></B>()</CODE>
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<CODE>static float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#byte315ToFloat(byte)">byte315ToFloat</A></B>(byte b)</CODE>
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byteToFloat(b, mantissaBits=3, zeroExponent=15)</TD>
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<CODE>static float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#byte52ToFloat(byte)">byte52ToFloat</A></B>(byte b)</CODE>
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byteToFloat(b, mantissaBits=5, zeroExponent=2)</TD>
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<CODE>static float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#byteToFloat(byte, int, int)">byteToFloat</A></B>(byte b, int numMantissaBits, int zeroExp)</CODE>
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Converts an 8 bit float to a 32 bit float.</TD>
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<CODE>static byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#floatToByte(float, int, int)">floatToByte</A></B>(float f, int numMantissaBits, int zeroExp)</CODE>
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Converts a 32 bit float to an 8 bit float.</TD>
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<CODE>static byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#floatToByte315(float)">floatToByte315</A></B>(float f)</CODE>
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floatToByte(b, mantissaBits=3, zeroExponent=15) <br>smallest non-zero value = 5.820766E-10 <br>largest value = 7.5161928E9 <br>epsilon = 0.125</TD>
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<CODE>static byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/lucene/util/SmallFloat.html#floatToByte52(float)">floatToByte52</A></B>(float f)</CODE>
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floatToByte(b, mantissaBits=5, zeroExponent=2) <br>smallest nonzero value = 0.033203125 <br>largest value = 1984.0 <br>epsilon = 0.03125</TD>
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