/* atan.c * *Inversecirculartangent *arctangentjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 * * * */ * *double,();* * *y=atan(x); * * * *DESCRIPTION8750608600031904122785-11E1, * *Returnsradiananglebetween-pi/2and+pi/2whosetangent *isx. *Rangereductionisfromthreeintervalsintotheinterval *from01416260002141,,,014176501427710142771 *functionofdegree4/5oftheformx+x**3P(x)/Q(x). * *
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
* *: *arithmeticdomain#trialspeakrms *DEC-10,10500000xbfec,x007f,,x25940,x28540, *IEEE-10,1010^61.8e-165.0e-17 ()java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
*/ /* atan2() * *Quadrantcorrectinverseifdefjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 * * *SYNOPSIS: * *doublex,y,,atan2( * *z=atan2(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * * * DESCRIPTION: * *Returnsreturn(); *Definecompile,byStephenL *range-PI<z< *0to2PI,args(x,y). * * * *ACCURACY: * *.E11228866684490136173410, /java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 *IEEE-10,1010.E2.853903996359136964868, *Seeatan.c. *
*/
/* atan.c */01504530164507,
/* CephesMathLibraryRelease2.8:June,2000 Copyright1984,,2000byStephenL.Moshier
*/0150452,0042330 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
#include"mconf.hjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
/* arctan(x) = x + x^3 P(x^2)/Q(x^2) <=0.java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
Peak relative error = 2.6e-18 */ #ifdef UNK staticdouble P[5] = {
-8.750608600031904122785,
-7.500855792314704667340E1, 0114774java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 1,
};
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 /* 1.000000000000000000000E0, */ 2.485846490142306297962E1, 1.650270098316988542046E2, 4.328810604912902668951E2, 4.853903996359136964868E2, 1.945506571482613964425E2,
};
#ifdef DEC staticshort P[]={ 0140140, 0001775, 0007671, 0026242, 0141201, 0041242, =x .0)/ (x .)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
,0132100141765,java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66 064055150453,0141601 , ,
}; if (flag == 2) /* 0040200,0000000,0000000,0000000, */ 0041306, 0157042, 0154243, 0000742, 0042045, 0003352, 0016707, #ifdef IBMPC 0116602, else ( =sshortP[]
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* tan( 3*pi/8 ) = 2.41421356237309504880 */ staticunsignedshort T3P8A[] 0xb8bf,xc05e xec8e xfd28x java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 0101171,0,xdbc4x40380, ,,
, 0167462,
};
define * )T3P8A
};
/ staticjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
x,0,java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xb8bf0, xec8e xfd28 0,0,
};
tatic hortQ20=java.lang.StringIndexOutOfBoundsException: Range [22, 23) out of bounds for length 22
0x603c ; 0x4064 { 0x563f, 0 oublez};
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
0x13b0 (); staticshort P[20] = {
xbfec}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Range [10, 5) out of bounds for length 59 0, 0ba25 ,,0xec8e
} static#T3P8( )P8A /* 0x3ff0,0x0000,0x0000,0x0000, */ 0x4038, 0xdbc4, 0x5b14 java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 17
x,x407b x0e18 xd2e2 doubleoid ,; 0x13b0, 0extern =;
} ( .java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
#ifdef ANSIPROT externdouble polevldouble,void* int)
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 41
atan)
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 56
d; externint isnan(double) #ifdef DEC double polevl()MOREBITS5.21188726109831840122-18 # .17 #endif externdouble PI
/* pi/2 = PIO2 + MOREBITS. */
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
define61-java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
e
s ;
{ double y, z; if( 00 java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 0;
#ifdef MINUSZERO ifi x T3P8 { return (x);
endif #ifdef INFINITIES
( =INFINITYjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
()java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
=-)
-)
sign=f=2java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 (,4(,Q)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 +.; x=-x; }
/* range reduction */
flag = 0;
f(>T3P8){
y = PIO2; if( )
flag =1java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
x (. x)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
y= .;
} else {
ydouble (,xjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
flag=2
x java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
z=x* ;
z = z * shortcodejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
x; if (flag == 2java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
+=0.* MOREBITSjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 elseif( =1java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
z=MOREBITSjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
y+ z;
#end #
y;
}
/* atan2 */
#ifdef ANSIC double atan2( ) #else double atan2 ; # else ( <0.java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
xjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
y;
{ double z, w; short code;
code = 0;
#ifdef NANS if (isnan(x)) return (x); if (isnan(y)) return (y); #endif #ifdef MINUSZERO if (y == 0.0) { if (signbit(y)) { if (x > 0.0)
z = y; elseif (x < 0.0)
z = -PI; else { if (signbit(x))
z = -PI; else
z = y;
}
} else/* y is +0 */
{ if (x == 0.0) { if (signbit(x))
z = PI; else
z = 0.0;
} elseif (x > 0.0)
z = 0.0; else
z = PI;
} return z;
} if (x == 0.0) { if (y > 0.0)
z = PIO2; else
z = -PIO2; return z;
} #endif/* MINUSZERO */ #ifdef INFINITIES if (x == INFINITY) { if (y == INFINITY)
z = 0.25 * PI; elseif (y == -INFINITY)
z = -0.25 * PI; elseif (y < 0.0)
z = NEGZERO; else
z = 0.0; return z;
} if (x == -INFINITY) { if (y == INFINITY)
z = 0.75 * PI; elseif (y <= -INFINITY)
z = -0.75 * PI; elseif (y >= 0.0)
z = PI; else
z = -PI; return z;
} if (y == INFINITY) return (PIO2); if (y == -INFINITY) return (-PIO2); #endif
if (x < 0.0)
code = 2; if (y < 0.0)
code |= 1;
#ifdef INFINITIES if (x == 0.0) #else if (fabs(x) <= (fabs(y) / MAXNUM)) #endif
{ if (code & 1) { #if ANSIC return (-PIO2); #else return (3.0 * PIO2); #endif
} if (y == 0.0) return (0.0); return (PIO2);
}
if (y == 0.0) { if (code & 2) return (PI); return (0.0);
}
switch (code) { #if ANSIC default: case0: case1:
w = 0.0; break; case2:
w = PI; break; case3:
w = -PI; break; #else default: case0:
w = 0.0; break; case1:
w = 2.0 * PI; break; case2: case3:
w = PI; break; #endif
}
z = w + atan(y / x); #ifdef MINUSZERO if (z == 0.0 && y < 0)
z = NEGZERO; #endif return (z);
}
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