📄 java的math类.mht
字号:
=
<EM>e</EM>=A3=AC=BC=B4=D7=D4=C8=BB=B6=D4=CA=FD=B5=C4=B5=D7=CA=FD=A1=A3</T=
D></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>PI</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=D4=B2=B5=C4=D6=
=DC=B3=A4=D3=EB=D6=B1=BE=B6=D6=AE=B1=C8=20
<EM>pi</EM>=A1=A3</TD></TR></TBODY></TABLE> =20
<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>=B7=BD=B7=A8=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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>abs</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>double</FONT></CODE> =
=D6=B5=B5=C4=BE=F8=B6=D4=D6=B5=A1=A3</TD></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 float</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>abs</STRONG>(float a)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>float</FONT></CODE> =
=D6=B5=B5=C4=BE=F8=B6=D4=D6=B5=A1=A3</TD></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 int</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>abs</STRONG>(int a)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>int</FONT></CODE> =
=D6=B5=B5=C4=BE=F8=B6=D4=D6=B5=A1=A3</TD></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 long</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>abs</STRONG>(long a)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>long</FONT></CODE> =
=D6=B5=B5=C4=BE=F8=B6=D4=D6=B5=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>acos</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=
=B7=B5=BB=D8=BD=C7=B5=C4=B7=B4=D3=E0=CF=D2=A3=AC=B7=B6=CE=A7=D4=DA 0.0 =
=B5=BD <EM>pi</EM> =D6=AE=BC=E4=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>asin</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=
=B7=B5=BB=D8=BD=C7=B5=C4=B7=B4=D5=FD=CF=D2=A3=AC=B7=B6=CE=A7=D4=DA =
-<EM>pi</EM>/2 =B5=BD <EM>pi</EM>/2 =D6=AE=BC=E4=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>atan</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=
=B7=B5=BB=D8=BD=C7=B5=C4=B7=B4=D5=FD=C7=D0=A3=AC=B7=B6=CE=A7=D4=DA =
-<EM>pi</EM>/2 =B5=BD <EM>pi</EM>/2 =D6=AE=BC=E4=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>atan2</STRONG>(double y, double=20
x)</FONT></CODE>=20
=
<BR> =20
=BD=AB=BE=D8=D0=CE=D7=F8=B1=EA (<CODE><FONT =
face=3DNSimsun>x</FONT></CODE>, <CODE><FONT=20
face=3DNSimsun>y</FONT></CODE>) =
=D7=AA=BB=BB=B3=C9=BC=AB=D7=F8=B1=EA (r, <EM>theta</EM>)=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>cbrt</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>double</FONT></CODE> =
=D6=B5=B5=C4=C1=A2=B7=BD=B8=F9=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>ceil</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=
=B7=B5=BB=D8=D7=EE=D0=A1=B5=C4=A3=A8=D7=EE=BD=D3=BD=FC=B8=BA=CE=DE=C7=EE=B4=
=F3=A3=A9<CODE><FONT face=3DNSimsun>double</FONT></CODE>=20
=
=D6=B5=A3=AC=B8=C3=D6=B5=B4=F3=D3=DA=BB=F2=B5=C8=D3=DA=B2=CE=CA=FD=A3=AC=B2=
=A2=C7=D2=B5=C8=D3=DA=C4=B3=B8=F6=D5=FB=CA=FD=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>cos</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=
=B7=B5=BB=D8=BD=C7=B5=C4=C8=FD=BD=C7=D3=E0=CF=D2=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>cosh</STRONG>(double=20
x)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>double</FONT></CODE> =
=D6=B5=B5=C4=CB=AB=C7=FA=CF=DF=D3=E0=CF=D2=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>exp</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C5=B7=C0=AD=CA=FD <EM>e</EM> =B5=C4 <CODE><FONT =
face=3DNSimsun>double</FONT></CODE>=20
=B4=CE=C3=DD=B5=C4=D6=B5=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>expm1</STRONG>(double=20
x)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<EM>e</EM><SUP>x</SUP> -1=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>floor</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=
=B7=B5=BB=D8=D7=EE=B4=F3=B5=C4=A3=A8=D7=EE=BD=D3=BD=FC=D5=FD=CE=DE=C7=EE=B4=
=F3=A3=A9<CODE><FONT face=3DNSimsun>double</FONT></CODE>=20
=
=D6=B5=A3=AC=B8=C3=D6=B5=D0=A1=D3=DA=BB=F2=B5=C8=D3=DA=B2=CE=CA=FD=A3=AC=B2=
=A2=C7=D2=B5=C8=D3=DA=C4=B3=B8=F6=D5=FB=CA=FD=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>hypot</STRONG>(double x, double=20
y)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
sqrt(<EM>x</EM><SUP>2</SUP>=20
+<EM>y</EM><SUP>2</SUP>)=A3=AC=C3=BB=D3=D0=D6=D0=BC=E4=D2=E7=B3=F6=BB=F2=CF=
=C2=D2=E7=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>IEEEremainder</STRONG>(double f1,=20
double f2)</FONT></CODE>=20
=
<BR> =
=B0=B4=D5=D5=20
IEEE 754 =
=B1=EA=D7=BC=B5=C4=B9=E6=B6=A8=A3=AC=B6=D4=C1=BD=B8=F6=B2=CE=CA=FD=BD=F8=D0=
=D0=D3=E0=CA=FD=D4=CB=CB=E3=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>log</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=A3=A8=B5=D7=CA=FD=CA=C7 =
<EM>e</EM>=A3=A9<CODE><FONT face=3DNSimsun>double</FONT></CODE>=20
=D6=B5=B5=C4=D7=D4=C8=BB=B6=D4=CA=FD=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>log10</STRONG>(double=20
a)</FONT></CODE>=20
=
<BR> =
=B7=B5=BB=D8=20
<CODE><FONT face=3DNSimsun>double</FONT></CODE> =
=D6=B5=B5=C4=B5=D7=CA=FD=CE=AA 10 =B5=C4=B6=D4=CA=FD=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>log1p</STRONG>(double=20
x)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=B2=CE=CA=FD=D3=EB 1 =
=B5=C4=BA=CD=B5=C4=D7=D4=C8=BB=B6=D4=CA=FD=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>max</STRONG>(double a, double=20
b)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C1=BD=B8=F6 <CODE><FONT =
face=3DNSimsun>double</FONT></CODE> =
=D6=B5=D6=D0=BD=CF=B4=F3=B5=C4=D2=BB=B8=F6=A1=A3</TD></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 float</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>max</STRONG>(float a, float=20
b)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C1=BD=B8=F6 <CODE><FONT =
face=3DNSimsun>float</FONT></CODE> =
=D6=B5=D6=D0=BD=CF=B4=F3=B5=C4=D2=BB=B8=F6=A1=A3</TD></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 int</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>max</STRONG>(int a, int=20
b)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C1=BD=B8=F6 <CODE><FONT =
face=3DNSimsun>int</FONT></CODE> =
=D6=B5=D6=D0=BD=CF=B4=F3=B5=C4=D2=BB=B8=F6=A1=A3</TD></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 long</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>max</STRONG>(long a, long=20
b)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C1=BD=B8=F6 <CODE><FONT =
face=3DNSimsun>long</FONT></CODE> =
=D6=B5=D6=D0=BD=CF=B4=F3=B5=C4=D2=BB=B8=F6=A1=A3</TD></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><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>min</STRONG>(double a, double=20
b)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C1=BD=B8=F6 <CODE><FONT =
face=3DNSimsun>double</FONT></CODE> =
=D6=B5=D6=D0=BD=CF=D0=A1=B5=C4=D2=BB=B8=F6=A1=A3</TD></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 float</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>min</STRONG>(float a, float=20
b)</FONT></CODE>=20
=
<BR> =20
=B7=B5=BB=D8=C1=BD=B8=F6 <CODE><FONT =
face=3DNSimsun>float</FONT></CODE> =
=D6=B5=D6=D0=BD=CF=D0=A1=B5=C4=D2=BB=B8=F6=A1=A3</TD></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 int</CODE></FONT></TD>
<TD><CODE><FONT =
face=3D=D0=C2=CB=CE=CC=E5><STRONG>min</STRONG>(int a, int=20
b)</FONT></CODE>=20
=
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