Searched refs:atan (Results 1 - 9 of 9) sorted by relevance

/openjdk7/jdk/src/share/native/java/lang/fdlibm/src/
H A De_atan2.c86 if(((hx-0x3ff00000)|lx)==0) return atan(y); /* x=1.0 */
93 case 1: return y; /* atan(+-0,+anything)=+-0 */
94 case 2: return pi+tiny;/* atan(+0,-anything) = pi */
95 case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
105 case 0: return pi_o_4+tiny;/* atan(+INF,+INF) */
106 case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */
107 case 2: return 3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/
108 case 3: return -3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/
112 case 0: return zero ; /* atan(+...,+INF) */
113 case 1: return -1.0*zero ; /* atan(
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H A Ds_atan.c27 /* atan(x)
29 * 1. Reduce x to positive by atan(x) = -atan(-x).
34 * [0,7/16] atan(x) = t-t^3*(a1+t^2*(a2+...(a10+t^2*a11)...)
35 * [7/16,11/16] atan(x) = atan(1/2) + atan( (t-0.5)/(1+t/2) )
36 * [11/16.19/16] atan(x) = atan( 1 ) + atan( (
98 double atan(double x) function
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/openjdk7/jdk/src/share/native/java/lang/fdlibm/include/
H A Djfdlibm.h40 #define atan jatan macro
H A Dfdlibm.h119 extern double atan __P((double));
/openjdk7/jaxp/src/com/sun/org/apache/xalan/internal/lib/
H A DExsltMath.java233 * The math:atan function returns the arctangent value of a number.
238 public static double atan(double num) method in class:ExsltMath
240 return Math.atan(num);
/openjdk7/jdk/src/share/classes/java/lang/
H A DMath.java203 public static double atan(double a) { method in class:Math
204 return StrictMath.atan(a); // default impl. delegates to StrictMath
H A DStrictMath.java54 * {@code asin}, {@code acos}, {@code atan},
153 public static native double atan(double a); method in class:StrictMath
/openjdk7/jdk/src/share/native/sun/java2d/cmm/lcms/
H A Dcmscam02.c218 if (b > 0) clr.h = (r2d * atan(temp));
220 else clr.h = (r2d * atan(temp)) + 360;
224 clr.h = (r2d * atan(temp)) + 180;
/openjdk7/jdk/src/share/classes/com/sun/java/swing/plaf/gtk/
H A DGTKColorChooserPanel.java1025 angle = Math.atan((double)y / (double)x);

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