https://github.com/crowlogic/arb4j/issues/480

.project

@@ -15,6 +15,12 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>

native/TypesAndStructures.i

@@ -1,7 +1,7 @@
 
 %{
 #include <flint/fmpz.h>
-#include <flint/fmpq.h>
+#include <flint/qqbar.h>
 #include <mpfr.h>
 #include <flint/flint.h>
 #include <arf.h>
@@ -45,6 +45,16 @@ typedef long int		mp_size_t;
 
 %}
 
+typedef struct
+{
+    fmpz_poly_struct poly;
+    acb_struct enclosure;
+}
+qqbar_struct;
+
+typedef qqbar_struct qqbar_t[1];
+
+
 typedef struct
 {
     jlong num;

native/arb.i

@@ -55,6 +55,7 @@ typedef unsigned long int mp_limb_t;
 %rename (numRows) r;
 %rename (numCols) c;
 
+%rename (AlgebraicNumber) qqbar_struct;
 %rename (RationalFunction) fmpz_poly_q_struct;
 %rename (IntegerPolynomial) fmpz_poly_struct;
 %rename (denominatorAddress) den;

native/complex.c

@@ -8,6 +8,7 @@
 #include <flint/flint.h>
 #include <flint/fmpq.h>
 #include <flint/fmpq_poly.h>
+#include <flint/qqbar.h>
 #include <arf.h>
 #include <arb.h>
 #include <acb.h>

src/main/java/arb/AlgebraicNumber.java

@@ -0,0 +1,61 @@
+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.2.0
+ *
+ * Do not make changes to this file unless you know what you are doing - modify
+ * the SWIG interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+package arb;
+
+public class AlgebraicNumber {
+  protected long swigCPtr;
+  protected boolean swigCMemOwn;
+
+  public AlgebraicNumber(long cPtr, boolean cMemoryOwn) {
+    swigCMemOwn = cMemoryOwn;
+    swigCPtr = cPtr;
+  }
+
+  public static long getCPtr(AlgebraicNumber obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
+
+  @SuppressWarnings({"deprecation", "removal"})
+  protected void finalize() {
+    delete();
+  }
+
+  public synchronized void delete() {
+    if (swigCPtr != 0) {
+      if (swigCMemOwn) {
+        swigCMemOwn = false;
+        arblibJNI.delete_AlgebraicNumber(swigCPtr);
+      }
+      swigCPtr = 0;
+    }
+  }
+
+  public void setPoly(IntegerPolynomial value) {
+    arblibJNI.AlgebraicNumber_poly_set(swigCPtr, this, IntegerPolynomial.getCPtr(value), value);
+  }
+
+  public IntegerPolynomial getPoly() {
+    long cPtr = arblibJNI.AlgebraicNumber_poly_get(swigCPtr, this);
+    return (cPtr == 0) ? null : new IntegerPolynomial(cPtr, false);
+  }
+
+  public void setEnclosure(Complex value) {
+    arblibJNI.AlgebraicNumber_enclosure_set(swigCPtr, this, Complex.getCPtr(value), value);
+  }
+
+  public Complex getEnclosure() {
+    long cPtr = arblibJNI.AlgebraicNumber_enclosure_get(swigCPtr, this);
+    return (cPtr == 0) ? null : new Complex(cPtr, false);
+  }
+
+  public AlgebraicNumber() {
+    this(arblibJNI.new_AlgebraicNumber(), true);
+  }
+
+}

src/main/java/arb/Complex.java

@@ -1206,7 +1206,7 @@ public String toString()
       sb.append("]");
     }
     return ( name == null ? "" : name + "=" ) + sb.toString();
-  }
+  }  
 
   public int dim = 1;
 

src/main/java/arb/Real.java

@@ -233,6 +233,11 @@ public RationalFunction mul(RationalFunction that, int prec, RationalFunction re
   {
     return res.set(this).mul(that, prec, res);
   }
+
+  public Complex sqrt(int prec, Complex res)
+  {
+    return res.set(this).sqrt(prec);
+  }
 
   public Fraction sub(Fraction subtrahend, int bits, Fraction res)
   {
@@ -1538,11 +1543,6 @@ public Real sqrt(int prec, Real res)
     return res;
   }
 
-  public Complex sqrt(int prec, Complex res)
-  {
-    return res.set(this).sqrt(prec);
-  }
-
   /**
    * @see arb#arb_addmul(Real, Real, Real, int)
    * @param that

src/main/java/arb/arblibJNI.java

@@ -647,6 +647,12 @@ public class arblibJNI {
   public final static native void arb_asin(long jarg1, Real jarg1_, long jarg2, Real jarg2_, int jarg3);
   public final static native void arb_acos(long jarg1, Real jarg1_, long jarg2, Real jarg2_, int jarg3);
   public final static native void arb_atanh(long jarg1, Real jarg1_, long jarg2, Real jarg2_, int jarg3);
+  public final static native void AlgebraicNumber_poly_set(long jarg1, AlgebraicNumber jarg1_, long jarg2, IntegerPolynomial jarg2_);
+  public final static native long AlgebraicNumber_poly_get(long jarg1, AlgebraicNumber jarg1_);
+  public final static native void AlgebraicNumber_enclosure_set(long jarg1, AlgebraicNumber jarg1_, long jarg2, Complex jarg2_);
+  public final static native long AlgebraicNumber_enclosure_get(long jarg1, AlgebraicNumber jarg1_);
+  public final static native long new_AlgebraicNumber();
+  public final static native void delete_AlgebraicNumber(long jarg1);
   public final static native void RationalFunction_numeratorAddress_set(long jarg1, RationalFunction jarg1_, long jarg2);
   public final static native long RationalFunction_numeratorAddress_get(long jarg1, RationalFunction jarg1_);
   public final static native void RationalFunction_denominatorAddress_set(long jarg1, RationalFunction jarg1_, long jarg2);