Searched defs:atan (Results 1 - 5 of 5) sorted by relevance

/openjdk7/jdk/src/share/native/java/lang/fdlibm/src/
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/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/java/lang/fdlibm/include/
H A Djfdlibm.h40 #define atan jatan macro

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