Initial revision

From-SVN: r26263

libjava/java/lang/Math.java

@@ -0,0 +1,118 @@
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+ 
+/**
+ * @author Andrew Haley <aph@cygnus.com>
+ * @date September 18, 1998.  
+ */
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
+ * "The Java Language Specification", ISBN 0-201-63451-1
+ * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status:  Believed complete and correct.
+ */
+ 
+package java.lang;
+
+import java.util.Random;
+
+public final class Math 
+{
+  private static Random random_;
+
+  public static final double E  = 2.7182818284590452354;
+  public static final double PI = 3.14159265358979323846;
+
+  public static native double sin (double x);
+
+  public static native double cos (double x);
+
+  public static native double tan (double x);
+
+  public static native double asin (double x);
+
+  public static native double acos (double x);
+
+  public static native double atan (double x);
+
+  public static native double atan2(double y, double x);
+
+  public static native double exp (double x);
+
+  public static native double log (double x);
+
+  public static native double sqrt (double x);
+
+  public static native double pow (double x, double y);
+
+  public static native double IEEEremainder (double x, double y);
+
+  public static native double ceil (double x);
+
+  public static native double floor (double x);
+
+  public static native double rint (double x);
+
+  public static native int round (float x);
+
+  public static native long round (double x);
+  
+  public static synchronized double random ()
+  {
+    if (random_ == null)
+      random_ = new Random ();
+    return random_.nextDouble ();
+  }
+
+  public static int abs (int n)
+  {
+    return (n < 0 ? -n : n);
+  }
+
+  public static long abs (long n)
+  {
+    return (n < 0 ? -n : n);
+  }
+
+  public static native float abs (float x);
+
+  public static native double abs (double x);
+
+  public static int min (int a, int b)
+  {
+    return (a < b ? a : b);
+  }
+
+  public static long min (long a, long b)
+  {
+    return (a < b ? a : b);
+  }
+
+  public static native float min (float a, float b);
+
+  public static native double min (double a, double b);
+
+  public static int max (int a, int b)
+  {
+    return (a < b ? b : a);
+  }
+
+  public static long max (long a, long b)
+  {
+    return (a < b ? b : a);
+  }
+
+  public static native float max (float a, float b);
+
+  public static native double max (double a, double b);
+
+  // Don't allow objects to be made.
+  private Math ()
+  {
+  }
+}
+