119 lines
2.5 KiB
Java
119 lines
2.5 KiB
Java
/* Copyright (C) 1998, 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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/**
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* @author Andrew Haley <aph@cygnus.com>
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* @date September 18, 1998.
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*/
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
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* "The Java Language Specification", ISBN 0-201-63451-1
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* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
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* Status: Believed complete and correct.
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*/
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package java.lang;
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import java.util.Random;
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public final class Math
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{
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private static Random random_;
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public static final double E = 2.7182818284590452354;
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public static final double PI = 3.14159265358979323846;
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public static native double sin (double x);
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public static native double cos (double x);
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public static native double tan (double x);
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public static native double asin (double x);
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public static native double acos (double x);
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public static native double atan (double x);
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public static native double atan2(double y, double x);
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public static native double exp (double x);
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public static native double log (double x);
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public static native double sqrt (double x);
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public static native double pow (double x, double y);
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public static native double IEEEremainder (double x, double y);
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public static native double ceil (double x);
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public static native double floor (double x);
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public static native double rint (double x);
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public static native int round (float x);
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public static native long round (double x);
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public static synchronized double random ()
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{
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if (random_ == null)
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random_ = new Random ();
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return random_.nextDouble ();
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}
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public static int abs (int n)
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{
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return (n < 0 ? -n : n);
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}
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public static long abs (long n)
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{
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return (n < 0 ? -n : n);
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}
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public static native float abs (float x);
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public static native double abs (double x);
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public static int min (int a, int b)
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{
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return (a < b ? a : b);
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}
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public static long min (long a, long b)
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{
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return (a < b ? a : b);
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}
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public static native float min (float a, float b);
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public static native double min (double a, double b);
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public static int max (int a, int b)
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{
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return (a < b ? b : a);
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}
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public static long max (long a, long b)
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{
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return (a < b ? b : a);
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}
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public static native float max (float a, float b);
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public static native double max (double a, double b);
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// Don't allow objects to be made.
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private Math ()
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{
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}
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}
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