From c600d3e675adfccd81c7d5ce8d7ff982695de8ff Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Wed, 26 Jul 2006 13:45:25 +0200
Subject: [PATCH] gen_fun: add copy constructor

---
 barvinok/genfun.h | 8 +++++++-
 genfun.cc         | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/barvinok/genfun.h b/barvinok/genfun.h
index 2db9fe8..2bfb062 100644
--- a/barvinok/genfun.h
+++ b/barvinok/genfun.h
@@ -35,7 +35,7 @@ struct gen_fun {
     void add(const ZZ& cn, const ZZ& cd, const vec_ZZ& num, 
 	     const mat_ZZ& den);
     /* add cn/cd times gf */
-    void add(const ZZ& cn, const ZZ& cd, gen_fun *gf);
+    void add(const ZZ& cn, const ZZ& cd, const gen_fun *gf);
     void substitute(Matrix *CP, const mat_ZZ& map, const vec_ZZ& offset);
     gen_fun *Hadamard_product(gen_fun *gf, unsigned MaxRays);
     void add_union(gen_fun *gf, unsigned MaxRays);
@@ -43,6 +43,12 @@ struct gen_fun {
     operator evalue *() const;
     void coefficient(Value* params, Value* c) const;
 
+    gen_fun(const gen_fun *gf) {
+	ZZ one;
+	one = 1;
+	context = Polyhedron_Copy(gf->context);
+	add(one, one, gf);
+    }
     gen_fun(Polyhedron *C = NULL) : context(C) {}
     ~gen_fun() {
 	if (context)
diff --git a/genfun.cc b/genfun.cc
index 724c01a..92ad6f1 100644
--- a/genfun.cc
+++ b/genfun.cc
@@ -172,7 +172,7 @@ void gen_fun::add(const ZZ& cn, const ZZ& cd, const vec_ZZ& num,
     term.push_back(r);
 }
 
-void gen_fun::add(const ZZ& cn, const ZZ& cd, gen_fun *gf)
+void gen_fun::add(const ZZ& cn, const ZZ& cd, const gen_fun *gf)
 {
     ZZ n, d;
     for (int i = 0; i < gf->term.size(); ++i) {
-- 
2.11.4.GIT