Java API: a first version that compiles. This is still untested.

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>

src/api/java/RatNum.java

@@ -0,0 +1,73 @@
+/**
+ * This file was automatically generated from RatNum.cs 
+ * w/ further modifications by:
+ * @author Christoph M. Wintersteiger (cwinter)
+ **/
+
+package com.Microsoft.Z3;
+
+import java.math.BigInteger;
+/**
+ * Rational Numerals
+ **/
+public class RatNum extends RealExpr
+{
+    /**
+     * The numerator of a rational numeral.
+     **/
+    public IntNum Numerator() throws Z3Exception
+    {
+        return new IntNum(Context(), Native.getNumerator(Context().nCtx(),
+                NativeObject()));
+    }
+
+    /**
+     * The denominator of a rational numeral.
+     **/
+    public IntNum Denominator() throws Z3Exception
+    {
+        return new IntNum(Context(), Native.getDenominator(Context().nCtx(),
+                NativeObject()));
+    }
+
+    /**
+     * Converts the numerator of the rational to a BigInteger
+     **/
+    public BigInteger BigIntNumerator() throws Z3Exception
+    {
+        IntNum n = Numerator();
+        return new BigInteger(n.toString());
+    }
+
+    /**
+     * Converts the denominator of the rational to a BigInteger
+     **/
+    public BigInteger BigIntDenominator() throws Z3Exception
+    {
+        IntNum n = Denominator();
+        return new BigInteger(n.toString());
+    }
+
+    /**
+     * Returns a string representation in decimal notation. <remarks>The result
+     * has at most <paramref name="precision"/> decimal places.</remarks>
+     **/
+    public String ToDecimalString(int precision) throws Z3Exception
+    {
+        return Native.getNumeralDecimalString(Context().nCtx(), NativeObject(),
+                precision);
+    }
+
+    /**
+     * Returns a string representation of the numeral.
+     **/
+    public String toString()
+    {
+        return Native.getNumeralString(Context().nCtx(), NativeObject());
+    }
+
+    RatNum(Context ctx, long obj) throws Z3Exception
+    {
+        super(ctx, obj);
+    }
+}