java的math类.mht
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<DIV class=3Dmodbox id=3Dm_blog>
<DIV class=3Dtit>java=B5=C4Math=C0=E0</DIV>
<DIV class=3Ddate>2008-10-17 16:51</DIV>
<TABLE style=3D"TABLE-LAYOUT: fixed">
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<DIV class=3Dcnt id=3Dblog_text>
<DL>
<DT><PRE>public final class <STRONG>Math</STRONG><DT>extends =
Object</DT></PRE></DT></DL><PRE> </PRE>
<P><CODE><FONT face=3DNSimsun>Math</FONT></CODE>=20
=
=C0=E0=B0=FC=BA=AC=BB=F9=B1=BE=B5=C4=CA=FD=D7=D6=B2=D9=D7=F7=A3=AC=C8=E7=D6=
=B8=CA=FD=A1=A2=B6=D4=CA=FD=A1=A2=C6=BD=B7=BD=B8=F9=BA=CD=C8=FD=BD=C7=BA=AF=
=CA=FD=A1=A3</P>
<P>=D3=EB <CODE><FONT face=3DNSimsun>StrictMath</FONT></CODE> =
=C0=E0=B5=C4=C4=B3=D0=A9=CA=FD=D6=B5=B7=BD=B7=A8=B2=BB=CD=AC=A3=AC=B2=A2=B2=
=BB=CA=C7=20
<CODE><FONT face=3DNSimsun>Math</FONT></CODE>=20
=
=C0=E0=B5=C4=CB=F9=D3=D0=B5=C8=D0=A7=BA=AF=CA=FD=B5=C4=CA=B5=CF=D6=B6=BC=B6=
=A8=D2=E5=CE=AA=B7=B5=BB=D8=D6=F0=CE=BB=CF=E0=CD=AC=B5=C4=BD=E1=B9=FB=A1=A3=
=D5=E2=D2=BB=BF=ED=CF=DE=D4=CA=D0=ED=D4=DA=B2=BB=D2=AA=C7=F3=D1=CF=B8=F1=BF=
=C9=D6=D8=B8=B4=D0=D4=B5=C4=B5=D8=B7=BD=CA=B5=CF=D6=B8=FC=BA=C3=B5=C4=D0=D4=
=C4=DC=A1=A3</P>
<P>=C4=AC=C8=CF=C7=E9=BF=F6=CF=C2=A3=AC=BA=DC=B6=E0 <CODE><FONT =
face=3DNSimsun>Math</FONT></CODE> =B7=BD=B7=A8=BD=F6=B5=F7=D3=C3 =
<CODE><FONT=20
face=3DNSimsun>StrictMath</FONT></CODE>=20
=
=D6=D0=B5=C4=B5=C8=D0=A7=B7=BD=B7=A8=C0=B4=CD=EA=B3=C9=CB=FC=C3=C7=B5=C4=CA=
=B5=CF=D6=A1=A3=B4=FA=C2=EB=C9=FA=B3=C9=C6=F7=B9=C4=C0=F8=CA=B9=D3=C3=CC=D8=
=B6=A8=D3=DA=C6=BD=CC=A8=B5=C4=B1=BE=BB=FA=BF=E2=BB=F2=D5=DF=D4=DA=BF=C9=D3=
=C3=B5=C4=B5=D8=B7=BD=CA=B9=D3=C3=CE=A2=B4=A6=C0=ED=C6=F7=D6=B8=C1=EE=A3=AC=
=C0=B4=CC=E1=B9=A9=B6=D4 <CODE><FONT=20
face=3DNSimsun>Math</FONT></CODE> =
=B7=BD=B7=A8=B5=C4=B8=FC=B8=DF=D0=D4=C4=DC=B5=C4=CA=B5=CF=D6=A1=A3=D5=E2=D6=
=D6=B8=FC=B8=DF=D0=D4=C4=DC=B5=C4=CA=B5=CF=D6=C8=D4=C8=BB=B1=D8=D0=EB=D7=F1=
=CA=D8 <CODE><FONT=20
face=3DNSimsun>Math</FONT></CODE> =B5=C4=B9=E6=B7=B6=A1=A3</P>
=
<P>=CA=B5=CF=D6=B9=E6=B7=B6=B5=C4=D6=CA=C1=BF=C9=E6=BC=B0=B5=BD=C1=BD=D6=D6=
=CA=F4=D0=D4=A3=AC=BC=B4=B7=B5=BB=D8=BD=E1=B9=FB=B5=C4=D7=BC=C8=B7=D0=D4=BA=
=CD=B7=BD=B7=A8=B5=C4=B5=A5=B5=F7=D0=D4=A1=A3=B8=A1=B5=E3 <CODE><FONT=20
face=3DNSimsun>Math</FONT></CODE> =
=B7=BD=B7=A8=B5=C4=D7=BC=C8=B7=D0=D4=B8=F9=BE=DD <EM>ulp</EM>=A3=A8units =
in the last=20
=
place=A3=AC=D7=EE=BA=F3=D2=BB=CE=BB=B5=C4=BD=F8=CD=CB=CE=BB=A3=A9=C0=B4=BA=
=E2=C1=BF=A1=A3=B6=D4=D3=DA=D2=BB=B8=F6=B8=F8=B6=A8=B5=C4=B8=A1=B5=E3=B8=F1=
=CA=BD=A3=AC=CC=D8=B6=A8=CA=B5=CA=FD=D6=B5=B5=C4 ulp=20
=
=CA=C7=BD=AB=B8=C3=CA=FD=D6=B5=C0=A8=C6=F0=C0=B4=B5=C4=C1=BD=B8=F6=B8=A1=B5=
=E3=D6=B5=B5=C4=B2=EE=A1=A3=CC=D6=C2=DB=B7=BD=B7=A8=B5=C4=D7=BC=C8=B7=D0=D4=
=CA=C7=B4=D3=D5=FB=CC=E5=C9=CF=BF=BC=C2=C7=B5=C4=A3=AC=B6=F8=B2=BB=CA=C7=D5=
=EB=B6=D4=BE=DF=CC=E5=B5=C4=B2=CE=CA=FD=A3=AC=D2=FD=D3=C3=B5=C4 ulp=20
=
=CA=FD=CA=C7=CE=AA=C1=CB=BF=BC=C2=C7=B2=CE=CA=FD=B5=C4=D7=EE=B2=EE=C7=E9=BF=
=F6=B5=C4=CE=F3=B2=EE=A1=A3=C8=E7=B9=FB=D2=BB=B8=F6=B7=BD=B7=A8=B5=C4=CE=F3=
=B2=EE=D7=DC=CA=C7=D0=A1=D3=DA 0.5=20
=
ulp=A3=AC=D4=F2=B8=C3=B7=BD=B7=A8=CA=BC=D6=D5=B7=B5=BB=D8=D7=EE=BD=D3=BD=FC=
=D7=BC=C8=B7=BD=E1=B9=FB=B5=C4=B8=A1=B5=E3=CA=FD=A3=BB=D5=E2=D6=D6=B7=BD=B7=
=A8=BE=CD=CA=C7<EM>=D5=FD=C8=B7=C9=E1=C8=EB</EM>=A1=A3=D2=BB=D6=D6=D5=FD=C8=
=B7=C9=E1=C8=EB=B5=C4=B7=BD=B7=A8=CD=A8=B3=A3=C4=DC=B5=C3=B5=BD=D7=EE=BC=D1=
=B5=C4=B8=A1=B5=E3=BD=FC=CB=C6=D6=B5=A3=AC=C8=BB=B6=F8=A3=AC=B6=D4=D3=DA=BA=
=DC=B6=E0=B8=A1=B5=E3=B7=BD=B7=A8=C0=B4=CB=B5=A3=AC=BD=F8=D0=D0=D5=FD=C8=B7=
=B5=C4=C9=E1=C8=EB=D3=D0=D0=A9=B2=BB=C7=D0=CA=B5=BC=CA=A1=A3=CF=E0=B7=B4=A3=
=AC=B6=D4=D3=DA=20
<CODE><FONT face=3DNSimsun>Math</FONT></CODE> =
=C0=E0=C0=B4=CB=B5=A3=AC=D3=D0=D0=A9=B7=BD=B7=A8=D4=CA=D0=ED=CE=F3=B2=EE=D4=
=DA 1 =BB=F2 2 ulp=20
=
=B5=C4=B7=B6=CE=A7=C4=DA=A1=A3=D4=DA=B7=C7=D5=FD=CA=BD=C7=E9=BF=F6=CF=C2=A3=
=AC=B6=D4=D3=DA 1 ulp=20
=
=B5=C4=CE=F3=B2=EE=B7=B6=CE=A7=A3=AC=B5=B1=D7=BC=C8=B7=BD=E1=B9=FB=CA=C7=BF=
=C9=B1=ED=CA=BE=B5=C4=CA=FD=D6=B5=CA=B1=A3=AC=D3=A6=B8=C3=B0=B4=D5=D5=BC=C6=
=CB=E3=BD=E1=B9=FB=B7=B5=BB=D8=D7=BC=C8=B7=BD=E1=B9=FB=A3=BB=B7=F1=D4=F2=A3=
=AC=B7=B5=BB=D8=BD=AB=D7=BC=C8=B7=BD=E1=B9=FB=C0=A8=C6=F0=C0=B4=B5=C4=C1=BD=
=B8=F6=B8=A1=B5=E3=D6=B5=A1=A3=B6=D4=D3=DA=D6=B5=BA=DC=B4=F3=B5=C4=D7=BC=C8=
=B7=BD=E1=B9=FB=A3=AC=C0=A8=BA=C5=B5=C4=D2=BB=B6=CB=BF=C9=D2=D4=CA=C7=CE=DE=
=C7=EE=B4=F3=A1=A3=B3=FD=C1=CB=B8=F6=B1=F0=B2=CE=CA=FD=B5=C4=D7=BC=C8=B7=D0=
=D4=D6=AE=CD=E2=A3=AC=CE=AC=BB=A4=B2=BB=CD=AC=B2=CE=CA=FD=B5=C4=B7=BD=B7=A8=
=D6=AE=BC=E4=B5=C4=D5=FD=C8=B7=B9=D8=CF=B5=D2=B2=BA=DC=D6=D8=D2=AA=A1=A3=D2=
=F2=B4=CB=A3=AC=B4=F3=B6=E0=CA=FD=CE=F3=B2=EE=B4=F3=D3=DA=20
0.5 ulp=20
=
=B5=C4=B7=BD=B7=A8=B6=BC=D2=AA=C7=F3=CA=C7<EM>=B0=EB=B5=A5=B5=F7=B5=C4</E=
M>=A3=BA=D6=BB=D2=AA=CA=FD=D1=A7=BA=AF=CA=FD=CA=C7=B7=C7=B5=DD=BC=F5=B5=C4=
=A3=AC=B8=A1=B5=E3=BD=FC=CB=C6=D6=B5=BE=CD=CA=C7=B7=C7=B5=DD=BC=F5=B5=C4=A3=
=BB=CD=AC=D1=F9=B5=D8=A3=AC=D6=BB=D2=AA=CA=FD=D1=A7=BA=AF=CA=FD=CA=C7=B7=C7=
=B5=DD=D4=F6=B5=C4=A3=AC=B8=A1=B5=E3=BD=FC=CB=C6=D6=B5=BE=CD=CA=C7=B7=C7=B5=
=DD=D4=F6=B5=C4=A1=A3=B2=BB=CA=C7=CB=F9=D3=D0=D7=BC=C8=B7=D0=D4=CE=AA=20
1 ulp =
=B5=C4=BD=FC=CB=C6=D6=B5=B6=BC=C4=DC=D7=D4=B6=AF=C2=FA=D7=E3=B5=A5=B5=F7=D0=
=D4=D2=AA=C7=F3=A1=A3</P>
<P></P>
<P></P>
<DL>
=
<DT><STRONG>=B4=D3=D2=D4=CF=C2=B0=E6=B1=BE=BF=AA=CA=BC=A3=BA</STRONG>=20
<DD>JDK1.0 </DD></DL>
<HR>
<P>
<TABLE cellSpacing=3D0 cellPadding=3D3 width=3D"100%" border=3D1>
<TBODY>
<TR class=3DTableHeadingColor bgColor=3D#ccccff>
<TH align=3Dleft colSpan=3D2><FONT=20
=
size=3D+2><STRONG>=D7=D6=B6=CE=D5=AA=D2=AA</STRONG></FONT></TH></TR>
<TR class=3DTableRowColor bgColor=3D#ffffff>
<TD vAlign=3Dtop align=3Dright width=3D"1%"><FONT =
face=3D=D0=C2=CB=CE=CC=E5=20
size=3D-1><CODE>static double</CODE></FONT></TD>
<TD><CODE><STRONG><FONT =
face=3D=D0=C2=CB=CE=CC=E5>E</FONT></STRONG></CODE>=20
=
<BR> <CODE><FO=
NT=20
face=3DNSimsun>double</FONT></CODE> =
=D6=B5=B1=C8=C8=CE=BA=CE=C6=E4=CB=FB=D6=B5=B8=FC=BD=D3=BD=FC=D3=DA=20
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